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-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:31:38,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:31:38,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:31:38,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:31:38,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:31:38,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:31:38,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:31:38,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:31:38,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:31:38,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:31:38,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:31:38,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:31:38,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:31:38,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:31:38,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:31:38,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:31:38,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:31:38,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:31:38,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:31:38,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:31:38,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:31:38,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:31:38,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:31:38,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:31:38,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:31:38,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:31:38,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:31:38,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:31:38,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:31:38,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:31:38,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:31:38,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:31:38,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:31:38,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:31:38,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:31:38,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:31:38,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:31:38,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:31:38,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:31:38,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:31:38,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:31:38,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 11:31:38,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:31:38,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:31:38,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:31:38,987 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:31:38,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:31:38,988 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:31:38,988 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:31:38,988 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:31:38,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:31:38,989 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:31:38,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:31:38,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:31:38,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:31:38,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:31:38,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:31:38,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:31:38,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:31:38,993 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:31:38,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:31:38,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:31:38,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:31:38,994 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:31:38,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:31:38,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:31:38,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:31:38,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:31:38,995 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:31:38,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:31:38,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:31:38,995 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:31:39,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:31:39,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:31:39,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:31:39,049 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:31:39,049 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:31:39,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-09-10 11:31:39,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06e79034/51a7b08363b74e9fb8e8df9620916492/FLAG2ea191230 [2019-09-10 11:31:39,861 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:31:39,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-09-10 11:31:39,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06e79034/51a7b08363b74e9fb8e8df9620916492/FLAG2ea191230 [2019-09-10 11:31:39,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f06e79034/51a7b08363b74e9fb8e8df9620916492 [2019-09-10 11:31:39,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:31:40,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:31:40,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:31:40,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:31:40,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:31:40,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:31:39" (1/1) ... [2019-09-10 11:31:40,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f54f1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:40, skipping insertion in model container [2019-09-10 11:31:40,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:31:39" (1/1) ... [2019-09-10 11:31:40,015 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:31:40,116 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:31:41,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:31:41,299 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:31:41,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:31:41,703 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:31:41,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41 WrapperNode [2019-09-10 11:31:41,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:31:41,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:31:41,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:31:41,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:31:41,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (1/1) ... [2019-09-10 11:31:41,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (1/1) ... [2019-09-10 11:31:41,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (1/1) ... [2019-09-10 11:31:41,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (1/1) ... [2019-09-10 11:31:41,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (1/1) ... [2019-09-10 11:31:41,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (1/1) ... [2019-09-10 11:31:42,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (1/1) ... [2019-09-10 11:31:42,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:31:42,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:31:42,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:31:42,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:31:42,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:31:42,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:31:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:31:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:31:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:31:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:31:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:31:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:31:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:31:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:31:42,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-10 11:31:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:31:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 11:31:42,117 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 11:31:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:31:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:31:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_1 [2019-09-10 11:31:42,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-10 11:31:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-10 11:31:42,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-09-10 11:31:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-09-10 11:31:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-09-10 11:31:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-10 11:31:42,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2019-09-10 11:31:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2019-09-10 11:31:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2019-09-10 11:31:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_release [2019-09-10 11:31:42,121 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2019-09-10 11:31:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2019-09-10 11:31:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-09-10 11:31:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-10 11:31:42,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:31:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 11:31:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_2 [2019-09-10 11:31:42,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_3 [2019-09-10 11:31:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_4 [2019-09-10 11:31:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_5 [2019-09-10 11:31:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_6 [2019-09-10 11:31:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_7 [2019-09-10 11:31:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_8 [2019-09-10 11:31:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_9 [2019-09-10 11:31:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_10 [2019-09-10 11:31:42,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_11 [2019-09-10 11:31:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_12 [2019-09-10 11:31:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2019-09-10 11:31:42,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc [2019-09-10 11:31:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-10 11:31:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:31:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 11:31:42,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 11:31:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:31:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2019-09-10 11:31:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:31:42,128 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 11:31:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2019-09-10 11:31:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 11:31:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2019-09-10 11:31:42,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-09-10 11:31:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-09-10 11:31:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-10 11:31:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2019-09-10 11:31:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2019-09-10 11:31:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-10 11:31:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2019-09-10 11:31:42,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2019-09-10 11:31:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2019-09-10 11:31:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2019-09-10 11:31:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2019-09-10 11:31:42,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2019-09-10 11:31:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2019-09-10 11:31:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2019-09-10 11:31:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2019-09-10 11:31:42,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2019-09-10 11:31:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:31:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:31:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:31:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:31:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:31:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:31:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:31:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:31:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:31:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:31:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:31:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:31:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:31:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:31:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:31:42,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:31:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:31:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:31:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:31:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:31:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:31:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:31:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:31:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-10 11:31:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 11:31:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc [2019-09-10 11:31:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-10 11:31:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 11:31:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 11:31:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:31:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_4 [2019-09-10 11:31:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_6 [2019-09-10 11:31:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_8 [2019-09-10 11:31:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_10 [2019-09-10 11:31:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_11 [2019-09-10 11:31:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_12 [2019-09-10 11:31:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:31:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:31:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_1 [2019-09-10 11:31:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 11:31:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-09-10 11:31:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-10 11:31:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 11:31:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-10 11:31:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:31:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-10 11:31:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-09-10 11:31:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-09-10 11:31:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-09-10 11:31:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2019-09-10 11:31:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 11:31:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_2 [2019-09-10 11:31:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-10 11:31:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:31:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 11:31:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2019-09-10 11:31:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-10 11:31:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_3 [2019-09-10 11:31:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_5 [2019-09-10 11:31:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_7 [2019-09-10 11:31:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_9 [2019-09-10 11:31:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2019-09-10 11:31:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:31:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2019-09-10 11:31:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:31:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-10 11:31:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2019-09-10 11:31:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-10 11:31:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-10 11:31:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2019-09-10 11:31:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2019-09-10 11:31:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2019-09-10 11:31:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2019-09-10 11:31:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2019-09-10 11:31:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2019-09-10 11:31:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2019-09-10 11:31:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2019-09-10 11:31:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2019-09-10 11:31:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2019-09-10 11:31:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2019-09-10 11:31:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2019-09-10 11:31:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2019-09-10 11:31:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:31:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure qc_release [2019-09-10 11:31:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2019-09-10 11:31:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2019-09-10 11:31:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2019-09-10 11:31:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:31:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:31:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:31:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:31:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:31:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:31:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:31:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:31:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:31:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:31:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:31:43,490 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:31:44,736 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:31:44,737 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 11:31:44,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:31:44 BoogieIcfgContainer [2019-09-10 11:31:44,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:31:44,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:31:44,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:31:44,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:31:44,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:31:39" (1/3) ... [2019-09-10 11:31:44,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bbb9b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:31:44, skipping insertion in model container [2019-09-10 11:31:44,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:31:41" (2/3) ... [2019-09-10 11:31:44,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bbb9b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:31:44, skipping insertion in model container [2019-09-10 11:31:44,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:31:44" (3/3) ... [2019-09-10 11:31:44,747 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2019-09-10 11:31:44,758 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:31:44,768 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:31:44,787 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:31:44,818 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:31:44,818 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:31:44,818 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:31:44,818 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:31:44,818 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:31:44,819 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:31:44,819 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:31:44,819 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:31:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states. [2019-09-10 11:31:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-10 11:31:44,867 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:31:44,868 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:31:44,871 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:31:44,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:44,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1716384170, now seen corresponding path program 1 times [2019-09-10 11:31:44,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:31:44,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:44,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:31:44,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:44,957 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:31:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:31:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-10 11:31:45,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:31:45,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:31:45,666 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:31:45,672 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:31:45,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:31:45,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:31:45,687 INFO L87 Difference]: Start difference. First operand 543 states. Second operand 3 states. [2019-09-10 11:31:45,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:31:45,869 INFO L93 Difference]: Finished difference Result 1025 states and 1357 transitions. [2019-09-10 11:31:45,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:31:45,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-09-10 11:31:45,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:31:45,900 INFO L225 Difference]: With dead ends: 1025 [2019-09-10 11:31:45,900 INFO L226 Difference]: Without dead ends: 990 [2019-09-10 11:31:45,902 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:31:45,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2019-09-10 11:31:46,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 960. [2019-09-10 11:31:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2019-09-10 11:31:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1260 transitions. [2019-09-10 11:31:46,070 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1260 transitions. Word has length 62 [2019-09-10 11:31:46,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:31:46,071 INFO L475 AbstractCegarLoop]: Abstraction has 960 states and 1260 transitions. [2019-09-10 11:31:46,071 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:31:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1260 transitions. [2019-09-10 11:31:46,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 11:31:46,088 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:31:46,089 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:31:46,089 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:31:46,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:46,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1216304217, now seen corresponding path program 1 times [2019-09-10 11:31:46,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:31:46,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:46,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:31:46,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:46,094 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:31:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:31:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-10 11:31:46,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:31:46,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:31:46,392 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:31:46,394 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:31:46,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:31:46,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:31:46,396 INFO L87 Difference]: Start difference. First operand 960 states and 1260 transitions. Second operand 3 states. [2019-09-10 11:31:46,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:31:46,628 INFO L93 Difference]: Finished difference Result 1199 states and 1559 transitions. [2019-09-10 11:31:46,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:31:46,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2019-09-10 11:31:46,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:31:46,638 INFO L225 Difference]: With dead ends: 1199 [2019-09-10 11:31:46,639 INFO L226 Difference]: Without dead ends: 1199 [2019-09-10 11:31:46,640 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:31:46,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2019-09-10 11:31:46,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1193. [2019-09-10 11:31:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2019-09-10 11:31:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1554 transitions. [2019-09-10 11:31:46,688 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1554 transitions. Word has length 105 [2019-09-10 11:31:46,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:31:46,688 INFO L475 AbstractCegarLoop]: Abstraction has 1193 states and 1554 transitions. [2019-09-10 11:31:46,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:31:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1554 transitions. [2019-09-10 11:31:46,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-10 11:31:46,696 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:31:46,696 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:31:46,697 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:31:46,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:46,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1415463347, now seen corresponding path program 1 times [2019-09-10 11:31:46,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:31:46,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:46,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:31:46,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:46,756 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:31:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:31:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-09-10 11:31:47,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:31:47,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:31:47,029 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:31:47,032 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:31:47,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:31:47,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:31:47,033 INFO L87 Difference]: Start difference. First operand 1193 states and 1554 transitions. Second operand 3 states. [2019-09-10 11:31:47,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:31:47,453 INFO L93 Difference]: Finished difference Result 1540 states and 1975 transitions. [2019-09-10 11:31:47,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:31:47,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-09-10 11:31:47,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:31:47,470 INFO L225 Difference]: With dead ends: 1540 [2019-09-10 11:31:47,470 INFO L226 Difference]: Without dead ends: 1540 [2019-09-10 11:31:47,471 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:31:47,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2019-09-10 11:31:47,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1518. [2019-09-10 11:31:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2019-09-10 11:31:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1952 transitions. [2019-09-10 11:31:47,529 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1952 transitions. Word has length 147 [2019-09-10 11:31:47,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:31:47,531 INFO L475 AbstractCegarLoop]: Abstraction has 1518 states and 1952 transitions. [2019-09-10 11:31:47,531 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:31:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1952 transitions. [2019-09-10 11:31:47,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-10 11:31:47,546 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:31:47,546 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:31:47,546 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:31:47,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:47,547 INFO L82 PathProgramCache]: Analyzing trace with hash -752599237, now seen corresponding path program 1 times [2019-09-10 11:31:47,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:31:47,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:47,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:31:47,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:47,554 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:31:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:31:47,899 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-09-10 11:31:47,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:31:47,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 11:31:47,900 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:31:47,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 11:31:47,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 11:31:47,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 11:31:47,902 INFO L87 Difference]: Start difference. First operand 1518 states and 1952 transitions. Second operand 4 states. [2019-09-10 11:31:48,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:31:48,758 INFO L93 Difference]: Finished difference Result 1518 states and 1937 transitions. [2019-09-10 11:31:48,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:31:48,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-09-10 11:31:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:31:48,773 INFO L225 Difference]: With dead ends: 1518 [2019-09-10 11:31:48,773 INFO L226 Difference]: Without dead ends: 1518 [2019-09-10 11:31:48,774 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 11:31:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2019-09-10 11:31:48,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1518. [2019-09-10 11:31:48,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2019-09-10 11:31:48,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1937 transitions. [2019-09-10 11:31:48,848 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1937 transitions. Word has length 154 [2019-09-10 11:31:48,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:31:48,849 INFO L475 AbstractCegarLoop]: Abstraction has 1518 states and 1937 transitions. [2019-09-10 11:31:48,849 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 11:31:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1937 transitions. [2019-09-10 11:31:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-10 11:31:48,857 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:31:48,858 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:31:48,858 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:31:48,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:48,859 INFO L82 PathProgramCache]: Analyzing trace with hash 791578815, now seen corresponding path program 1 times [2019-09-10 11:31:48,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:31:48,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:48,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:31:48,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:48,865 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:31:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:31:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-09-10 11:31:49,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:31:49,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:31:49,162 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:31:49,162 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:31:49,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:31:49,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:31:49,164 INFO L87 Difference]: Start difference. First operand 1518 states and 1937 transitions. Second operand 3 states. [2019-09-10 11:31:49,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:31:49,362 INFO L93 Difference]: Finished difference Result 1331 states and 1729 transitions. [2019-09-10 11:31:49,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:31:49,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-09-10 11:31:49,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:31:49,371 INFO L225 Difference]: With dead ends: 1331 [2019-09-10 11:31:49,371 INFO L226 Difference]: Without dead ends: 1272 [2019-09-10 11:31:49,371 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:31:49,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2019-09-10 11:31:49,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1240. [2019-09-10 11:31:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2019-09-10 11:31:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1615 transitions. [2019-09-10 11:31:49,434 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1615 transitions. Word has length 154 [2019-09-10 11:31:49,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:31:49,436 INFO L475 AbstractCegarLoop]: Abstraction has 1240 states and 1615 transitions. [2019-09-10 11:31:49,436 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:31:49,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1615 transitions. [2019-09-10 11:31:49,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 11:31:49,441 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:31:49,441 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:31:49,441 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:31:49,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:49,442 INFO L82 PathProgramCache]: Analyzing trace with hash -2047517183, now seen corresponding path program 1 times [2019-09-10 11:31:49,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:31:49,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:49,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:31:49,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:49,448 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:31:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:31:49,810 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-09-10 11:31:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-10 11:31:49,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:31:49,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-10 11:31:49,958 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:31:49,959 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-10 11:31:49,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-10 11:31:49,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-10 11:31:49,961 INFO L87 Difference]: Start difference. First operand 1240 states and 1615 transitions. Second operand 11 states. [2019-09-10 11:31:50,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:31:50,052 INFO L93 Difference]: Finished difference Result 1272 states and 1647 transitions. [2019-09-10 11:31:50,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 11:31:50,053 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2019-09-10 11:31:50,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:31:50,061 INFO L225 Difference]: With dead ends: 1272 [2019-09-10 11:31:50,061 INFO L226 Difference]: Without dead ends: 1272 [2019-09-10 11:31:50,062 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-10 11:31:50,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2019-09-10 11:31:50,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1269. [2019-09-10 11:31:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1269 states. [2019-09-10 11:31:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1644 transitions. [2019-09-10 11:31:50,111 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1644 transitions. Word has length 158 [2019-09-10 11:31:50,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:31:50,113 INFO L475 AbstractCegarLoop]: Abstraction has 1269 states and 1644 transitions. [2019-09-10 11:31:50,113 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-10 11:31:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1644 transitions. [2019-09-10 11:31:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 11:31:50,120 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:31:50,120 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:31:50,121 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:31:50,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:50,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1609507680, now seen corresponding path program 1 times [2019-09-10 11:31:50,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:31:50,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:50,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:31:50,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:50,126 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:31:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:31:50,347 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-10 11:31:50,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:31:50,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:31:50,348 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:31:50,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:31:50,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:31:50,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:31:50,350 INFO L87 Difference]: Start difference. First operand 1269 states and 1644 transitions. Second operand 5 states. [2019-09-10 11:31:50,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:31:50,543 INFO L93 Difference]: Finished difference Result 1937 states and 2454 transitions. [2019-09-10 11:31:50,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 11:31:50,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2019-09-10 11:31:50,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:31:50,556 INFO L225 Difference]: With dead ends: 1937 [2019-09-10 11:31:50,556 INFO L226 Difference]: Without dead ends: 1937 [2019-09-10 11:31:50,556 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 11:31:50,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1937 states. [2019-09-10 11:31:50,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1937 to 1277. [2019-09-10 11:31:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2019-09-10 11:31:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1653 transitions. [2019-09-10 11:31:50,607 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1653 transitions. Word has length 158 [2019-09-10 11:31:50,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:31:50,607 INFO L475 AbstractCegarLoop]: Abstraction has 1277 states and 1653 transitions. [2019-09-10 11:31:50,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:31:50,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1653 transitions. [2019-09-10 11:31:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 11:31:50,612 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:31:50,612 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:31:50,612 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:31:50,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:50,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2118980770, now seen corresponding path program 1 times [2019-09-10 11:31:50,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:31:50,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:50,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:31:50,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:31:50,616 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:31:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:31:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-10 11:31:50,892 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:31:50,892 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:31:50,894 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2019-09-10 11:31:50,899 INFO L207 CegarAbsIntRunner]: [31], [33], [34], [35], [37], [39], [41], [44], [46], [48], [51], [54], [75], [78], [81], [83], [88], [403], [406], [409], [412], [415], [417], [421], [424], [427], [429], [434], [437], [609], [611], [613], [615], [616], [630], [639], [640], [692], [693], [700], [705], [707], [712], [714], [719], [722], [725], [887], [888], [892], [893], [904], [906], [907], [918], [925], [930], [932], [935], [940], [941], [942], [943], [946], [948], [949], [971], [973], [976], [986], [991], [993], [994], [999], [1005], [1006], [1009], [1010], [1019], [1020], [1025], [1029], [1032], [1036], [1064], [1065], [1066], [1067], [1068], [1069], [1070], [1071], [1072], [1073], [1074], [1075], [1076], [1077], [1082], [1083], [1138], [1139], [1140], [1141], [1142], [1143], [1162], [1180], [1181], [1182], [1183], [1184], [1185], [1218], [1219], [1254], [1255], [1256], [1257], [1258], [1259], [1260], [1261], [1262], [1263], [1264], [1265], [1270], [1271], [1276], [1277], [1280], [1284], [1285], [1286] [2019-09-10 11:31:51,007 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:31:51,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:31:51,152 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:31:51,154 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 127 root evaluator evaluations with a maximum evaluation depth of 0. Performed 127 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 250 variables. [2019-09-10 11:31:51,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:31:51,160 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:31:51,282 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:31:51,282 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:31:51,290 INFO L420 sIntCurrentIteration]: We unified 157 AI predicates to 157 [2019-09-10 11:31:51,290 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:31:51,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:31:51,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-10 11:31:51,403 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:31:51,404 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:31:51,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:31:51,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:31:51,404 INFO L87 Difference]: Start difference. First operand 1277 states and 1653 transitions. Second operand 2 states. [2019-09-10 11:31:51,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:31:51,405 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:31:51,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:31:51,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-09-10 11:31:51,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:31:51,406 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:31:51,406 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:31:51,406 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:31:51,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:31:51,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:31:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:31:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:31:51,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2019-09-10 11:31:51,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:31:51,407 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:31:51,408 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:31:51,408 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:31:51,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:31:51,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:31:51 BoogieIcfgContainer [2019-09-10 11:31:51,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:31:51,416 INFO L168 Benchmark]: Toolchain (without parser) took 11415.78 ms. Allocated memory was 133.7 MB in the beginning and 404.8 MB in the end (delta: 271.1 MB). Free memory was 83.9 MB in the beginning and 337.3 MB in the end (delta: -253.4 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-09-10 11:31:51,417 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 11:31:51,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1704.59 ms. Allocated memory was 133.7 MB in the beginning and 204.5 MB in the end (delta: 70.8 MB). Free memory was 83.5 MB in the beginning and 104.4 MB in the end (delta: -20.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. [2019-09-10 11:31:51,418 INFO L168 Benchmark]: Boogie Preprocessor took 313.80 ms. Allocated memory is still 204.5 MB. Free memory was 104.4 MB in the beginning and 92.2 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-10 11:31:51,419 INFO L168 Benchmark]: RCFGBuilder took 2718.79 ms. Allocated memory was 204.5 MB in the beginning and 273.2 MB in the end (delta: 68.7 MB). Free memory was 92.2 MB in the beginning and 99.1 MB in the end (delta: -6.9 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. [2019-09-10 11:31:51,420 INFO L168 Benchmark]: TraceAbstraction took 6674.16 ms. Allocated memory was 273.2 MB in the beginning and 404.8 MB in the end (delta: 131.6 MB). Free memory was 99.1 MB in the beginning and 337.3 MB in the end (delta: -238.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 11:31:51,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1704.59 ms. Allocated memory was 133.7 MB in the beginning and 204.5 MB in the end (delta: 70.8 MB). Free memory was 83.5 MB in the beginning and 104.4 MB in the end (delta: -20.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 313.80 ms. Allocated memory is still 204.5 MB. Free memory was 104.4 MB in the beginning and 92.2 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2718.79 ms. Allocated memory was 204.5 MB in the beginning and 273.2 MB in the end (delta: 68.7 MB). Free memory was 92.2 MB in the beginning and 99.1 MB in the end (delta: -6.9 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6674.16 ms. Allocated memory was 273.2 MB in the beginning and 404.8 MB in the end (delta: 131.6 MB). Free memory was 99.1 MB in the beginning and 337.3 MB in the end (delta: -238.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3354]: 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 76 procedures, 563 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5510 SDtfs, 2953 SDslu, 10991 SDs, 0 SdLazy, 538 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1518occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.4140127388535033 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 753 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1096 NumberOfCodeBlocks, 1096 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1088 ConstructedInterpolants, 0 QuantifiedInterpolants, 199165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 511/514 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...