/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 20:58:27,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 20:58:27,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 20:58:28,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 20:58:28,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 20:58:28,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 20:58:28,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 20:58:28,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 20:58:28,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 20:58:28,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 20:58:28,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 20:58:28,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 20:58:28,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 20:58:28,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 20:58:28,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 20:58:28,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 20:58:28,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 20:58:28,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 20:58:28,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 20:58:28,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 20:58:28,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 20:58:28,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 20:58:28,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 20:58:28,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 20:58:28,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 20:58:28,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 20:58:28,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 20:58:28,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 20:58:28,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 20:58:28,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 20:58:28,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 20:58:28,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 20:58:28,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 20:58:28,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 20:58:28,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 20:58:28,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 20:58:28,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 20:58:28,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 20:58:28,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 20:58:28,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 20:58:28,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 20:58:28,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 20:58:28,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 20:58:28,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 20:58:28,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 20:58:28,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 20:58:28,102 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 20:58:28,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 20:58:28,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 20:58:28,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 20:58:28,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 20:58:28,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 20:58:28,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 20:58:28,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 20:58:28,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 20:58:28,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 20:58:28,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 20:58:28,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 20:58:28,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 20:58:28,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 20:58:28,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 20:58:28,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 20:58:28,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 20:58:28,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:58:28,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 20:58:28,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 20:58:28,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 20:58:28,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 20:58:28,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 20:58:28,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 20:58:28,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 20:58:28,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 20:58:28,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 20:58:28,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 20:58:28,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 20:58:28,413 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 20:58:28,413 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-11-06 20:58:28,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a92b1e80/7c9d6cc5687e4d94a2045a4a3dffc853/FLAGf1168cf48 [2019-11-06 20:58:29,186 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 20:58:29,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-11-06 20:58:29,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a92b1e80/7c9d6cc5687e4d94a2045a4a3dffc853/FLAGf1168cf48 [2019-11-06 20:58:29,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a92b1e80/7c9d6cc5687e4d94a2045a4a3dffc853 [2019-11-06 20:58:29,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 20:58:29,316 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 20:58:29,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 20:58:29,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 20:58:29,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 20:58:29,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:58:29" (1/1) ... [2019-11-06 20:58:29,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f80dda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:29, skipping insertion in model container [2019-11-06 20:58:29,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:58:29" (1/1) ... [2019-11-06 20:58:29,332 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 20:58:29,434 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 20:58:30,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:58:30,603 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 20:58:30,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:58:30,855 INFO L192 MainTranslator]: Completed translation [2019-11-06 20:58:30,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30 WrapperNode [2019-11-06 20:58:30,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 20:58:30,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 20:58:30,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 20:58:30,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 20:58:30,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (1/1) ... [2019-11-06 20:58:30,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (1/1) ... [2019-11-06 20:58:30,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (1/1) ... [2019-11-06 20:58:30,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (1/1) ... [2019-11-06 20:58:30,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (1/1) ... [2019-11-06 20:58:31,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (1/1) ... [2019-11-06 20:58:31,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (1/1) ... [2019-11-06 20:58:31,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 20:58:31,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 20:58:31,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 20:58:31,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 20:58:31,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (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 [2019-11-06 20:58:31,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 20:58:31,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 20:58:31,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-11-06 20:58:31,148 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-06 20:58:31,148 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-06 20:58:31,149 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2019-11-06 20:58:31,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 20:58:31,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 20:58:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-11-06 20:58:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-11-06 20:58:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2019-11-06 20:58:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 20:58:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 20:58:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-06 20:58:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-06 20:58:31,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 20:58:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 20:58:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 20:58:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 20:58:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 20:58:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 20:58:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_select_wdt_out [2019-11-06 20:58:31,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_swc [2019-11-06 20:58:31,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_get_swc_base_addr [2019-11-06 20:58:31,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2019-11-06 20:58:31,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2019-11-06 20:58:31,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2019-11-06 20:58:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2019-11-06 20:58:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2019-11-06 20:58:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2019-11-06 20:58:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2019-11-06 20:58:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2019-11-06 20:58:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2019-11-06 20:58:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2019-11-06 20:58:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_open [2019-11-06 20:58:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_release [2019-11-06 20:58:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_status [2019-11-06 20:58:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2019-11-06 20:58:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_ioctl [2019-11-06 20:58:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_notify_sys [2019-11-06 20:58:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_init [2019-11-06 20:58:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_exit [2019-11-06 20:58:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-11-06 20:58:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 20:58:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_5 [2019-11-06 20:58:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_6 [2019-11-06 20:58:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_7 [2019-11-06 20:58:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_8 [2019-11-06 20:58:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_9 [2019-11-06 20:58:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 20:58:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 20:58:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 20:58:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 20:58:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 20:58:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-11-06 20:58:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-11-06 20:58:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-11-06 20:58:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-11-06 20:58:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-11-06 20:58:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 20:58:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-06 20:58:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-11-06 20:58:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-11-06 20:58:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-11-06 20:58:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 20:58:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 20:58:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 20:58:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 20:58:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-11-06 20:58:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-11-06 20:58:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-11-06 20:58:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 20:58:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2019-11-06 20:58:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2019-11-06 20:58:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 20:58:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 20:58:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 20:58:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 20:58:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 20:58:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 20:58:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-06 20:58:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-06 20:58:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 20:58:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-11-06 20:58:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 20:58:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2019-11-06 20:58:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-11-06 20:58:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 20:58:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 20:58:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 20:58:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 20:58:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 20:58:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-11-06 20:58:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-11-06 20:58:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-11-06 20:58:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-11-06 20:58:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2019-11-06 20:58:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_5 [2019-11-06 20:58:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-11-06 20:58:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 20:58:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 20:58:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 20:58:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 20:58:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 20:58:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 20:58:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 20:58:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 20:58:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 20:58:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 20:58:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-06 20:58:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-06 20:58:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 20:58:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 20:58:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 20:58:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 20:58:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 20:58:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-11-06 20:58:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-11-06 20:58:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_7 [2019-11-06 20:58:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-11-06 20:58:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_8 [2019-11-06 20:58:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_9 [2019-11-06 20:58:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-11-06 20:58:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_6 [2019-11-06 20:58:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2019-11-06 20:58:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2019-11-06 20:58:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 20:58:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-06 20:58:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 20:58:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 20:58:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_select_wdt_out [2019-11-06 20:58:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_swc [2019-11-06 20:58:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_get_swc_base_addr [2019-11-06 20:58:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2019-11-06 20:58:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2019-11-06 20:58:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2019-11-06 20:58:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2019-11-06 20:58:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2019-11-06 20:58:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2019-11-06 20:58:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2019-11-06 20:58:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2019-11-06 20:58:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2019-11-06 20:58:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2019-11-06 20:58:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_open [2019-11-06 20:58:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_release [2019-11-06 20:58:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_status [2019-11-06 20:58:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2019-11-06 20:58:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_ioctl [2019-11-06 20:58:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 20:58:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 20:58:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 20:58:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_notify_sys [2019-11-06 20:58:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_init [2019-11-06 20:58:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_exit [2019-11-06 20:58:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 20:58:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 20:58:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 20:58:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 20:58:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 20:58:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 20:58:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 20:58:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 20:58:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 20:58:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-11-06 20:58:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-11-06 20:58:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-11-06 20:58:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-11-06 20:58:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 20:58:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 20:58:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 20:58:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 20:58:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 20:58:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 20:58:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 20:58:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 20:58:31,815 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 20:58:32,476 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-11-06 20:58:35,068 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 20:58:35,069 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 20:58:35,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:58:35 BoogieIcfgContainer [2019-11-06 20:58:35,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 20:58:35,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 20:58:35,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 20:58:35,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 20:58:35,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:58:29" (1/3) ... [2019-11-06 20:58:35,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bf291d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:58:35, skipping insertion in model container [2019-11-06 20:58:35,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:58:30" (2/3) ... [2019-11-06 20:58:35,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bf291d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:58:35, skipping insertion in model container [2019-11-06 20:58:35,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:58:35" (3/3) ... [2019-11-06 20:58:35,081 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-11-06 20:58:35,091 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 20:58:35,101 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 20:58:35,112 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 20:58:35,146 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 20:58:35,147 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 20:58:35,147 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 20:58:35,147 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 20:58:35,147 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 20:58:35,147 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 20:58:35,147 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 20:58:35,147 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 20:58:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states. [2019-11-06 20:58:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-06 20:58:35,218 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:58:35,219 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 20:58:35,222 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:58:35,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:58:35,229 INFO L82 PathProgramCache]: Analyzing trace with hash -140049364, now seen corresponding path program 1 times [2019-11-06 20:58:35,238 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:58:35,238 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653159420] [2019-11-06 20:58:35,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:58:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,292 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-11-06 20:58:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-11-06 20:58:36,591 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653159420] [2019-11-06 20:58:36,592 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:58:36,592 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 20:58:36,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165982037] [2019-11-06 20:58:36,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 20:58:36,598 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:58:36,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 20:58:36,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-06 20:58:36,615 INFO L87 Difference]: Start difference. First operand 487 states. Second operand 8 states. [2019-11-06 20:58:36,979 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2019-11-06 20:58:37,543 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2019-11-06 20:58:37,931 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-06 20:58:45,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 20:58:45,738 INFO L93 Difference]: Finished difference Result 1058 states and 1378 transitions. [2019-11-06 20:58:45,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 20:58:45,740 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2019-11-06 20:58:45,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 20:58:45,763 INFO L225 Difference]: With dead ends: 1058 [2019-11-06 20:58:45,764 INFO L226 Difference]: Without dead ends: 597 [2019-11-06 20:58:45,772 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2019-11-06 20:58:45,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-11-06 20:58:45,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 570. [2019-11-06 20:58:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2019-11-06 20:58:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 730 transitions. [2019-11-06 20:58:45,965 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 730 transitions. Word has length 144 [2019-11-06 20:58:45,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 20:58:45,966 INFO L462 AbstractCegarLoop]: Abstraction has 570 states and 730 transitions. [2019-11-06 20:58:45,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 20:58:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 730 transitions. [2019-11-06 20:58:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-06 20:58:45,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:58:45,971 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 20:58:45,971 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:58:45,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:58:45,972 INFO L82 PathProgramCache]: Analyzing trace with hash -82791062, now seen corresponding path program 1 times [2019-11-06 20:58:45,972 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:58:45,972 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338099322] [2019-11-06 20:58:45,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:58:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,479 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-11-06 20:58:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-11-06 20:58:46,882 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338099322] [2019-11-06 20:58:46,883 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:58:46,883 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 20:58:46,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435127678] [2019-11-06 20:58:46,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 20:58:46,885 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:58:46,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 20:58:46,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-06 20:58:46,886 INFO L87 Difference]: Start difference. First operand 570 states and 730 transitions. Second operand 8 states. [2019-11-06 20:58:47,245 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2019-11-06 20:58:47,789 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2019-11-06 20:58:48,215 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-11-06 20:58:57,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 20:58:57,834 INFO L93 Difference]: Finished difference Result 941 states and 1206 transitions. [2019-11-06 20:58:57,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-06 20:58:57,835 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2019-11-06 20:58:57,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 20:58:57,850 INFO L225 Difference]: With dead ends: 941 [2019-11-06 20:58:57,850 INFO L226 Difference]: Without dead ends: 918 [2019-11-06 20:58:57,852 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2019-11-06 20:58:57,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-11-06 20:58:58,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 898. [2019-11-06 20:58:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2019-11-06 20:58:58,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1147 transitions. [2019-11-06 20:58:58,094 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1147 transitions. Word has length 144 [2019-11-06 20:58:58,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 20:58:58,095 INFO L462 AbstractCegarLoop]: Abstraction has 898 states and 1147 transitions. [2019-11-06 20:58:58,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 20:58:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1147 transitions. [2019-11-06 20:58:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-11-06 20:58:58,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:58:58,104 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 20:58:58,104 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:58:58,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:58:58,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1426613195, now seen corresponding path program 1 times [2019-11-06 20:58:58,105 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:58:58,105 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971781920] [2019-11-06 20:58:58,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:58:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,604 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-11-06 20:58:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:58:58,886 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:83) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:550) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:277) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 39 more [2019-11-06 20:58:58,891 INFO L168 Benchmark]: Toolchain (without parser) took 29574.46 ms. Allocated memory was 137.9 MB in the beginning and 627.6 MB in the end (delta: 489.7 MB). Free memory was 95.7 MB in the beginning and 414.7 MB in the end (delta: -318.9 MB). Peak memory consumption was 170.8 MB. Max. memory is 7.1 GB. [2019-11-06 20:58:58,892 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-06 20:58:58,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1539.22 ms. Allocated memory was 137.9 MB in the beginning and 206.6 MB in the end (delta: 68.7 MB). Free memory was 95.3 MB in the beginning and 125.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-11-06 20:58:58,894 INFO L168 Benchmark]: Boogie Preprocessor took 198.22 ms. Allocated memory is still 206.6 MB. Free memory was 125.5 MB in the beginning and 118.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-11-06 20:58:58,895 INFO L168 Benchmark]: RCFGBuilder took 4015.38 ms. Allocated memory was 206.6 MB in the beginning and 256.9 MB in the end (delta: 50.3 MB). Free memory was 118.3 MB in the beginning and 145.4 MB in the end (delta: -27.1 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2019-11-06 20:58:58,896 INFO L168 Benchmark]: TraceAbstraction took 23817.44 ms. Allocated memory was 256.9 MB in the beginning and 627.6 MB in the end (delta: 370.7 MB). Free memory was 145.4 MB in the beginning and 414.7 MB in the end (delta: -269.3 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB. [2019-11-06 20:58:58,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1539.22 ms. Allocated memory was 137.9 MB in the beginning and 206.6 MB in the end (delta: 68.7 MB). Free memory was 95.3 MB in the beginning and 125.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 198.22 ms. Allocated memory is still 206.6 MB. Free memory was 125.5 MB in the beginning and 118.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4015.38 ms. Allocated memory was 206.6 MB in the beginning and 256.9 MB in the end (delta: 50.3 MB). Free memory was 118.3 MB in the beginning and 145.4 MB in the end (delta: -27.1 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23817.44 ms. Allocated memory was 256.9 MB in the beginning and 627.6 MB in the end (delta: 370.7 MB). Free memory was 145.4 MB in the beginning and 414.7 MB in the end (delta: -269.3 MB). Peak memory consumption was 101.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...