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 0.1.24-13a467a-m [2019-10-14 23:01:33,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:01:33,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:01:33,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:01:33,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:01:33,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:01:33,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:01:33,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:01:33,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:01:33,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:01:33,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:01:33,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:01:33,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:01:33,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:01:33,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:01:33,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:01:33,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:01:33,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:01:33,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:01:33,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:01:33,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:01:33,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:01:33,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:01:33,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:01:33,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:01:33,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:01:33,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:01:33,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:01:33,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:01:33,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:01:33,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:01:33,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:01:33,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:01:33,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:01:33,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:01:33,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:01:33,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:01:33,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:01:33,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:01:33,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:01:33,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:01:33,903 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 [2019-10-14 23:01:33,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:01:33,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:01:33,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:01:33,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:01:33,926 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:01:33,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:01:33,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:01:33,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:01:33,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:01:33,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:01:33,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:01:33,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:01:33,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:01:33,929 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:01:33,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:01:33,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:01:33,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:01:33,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:01:33,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:01:33,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:01:33,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:01:33,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:01:33,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:01:33,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:01:33,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:01:33,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:01:33,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:01:33,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:01:33,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:01:34,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:01:34,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:01:34,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:01:34,229 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:01:34,229 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:01:34,230 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-10-14 23:01:34,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f506b9d3/2a5b74fe6d504cccbc64e5cde3858d34/FLAG0456f7430 [2019-10-14 23:01:34,996 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:01:34,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-10-14 23:01:35,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f506b9d3/2a5b74fe6d504cccbc64e5cde3858d34/FLAG0456f7430 [2019-10-14 23:01:35,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f506b9d3/2a5b74fe6d504cccbc64e5cde3858d34 [2019-10-14 23:01:35,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:01:35,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:01:35,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:01:35,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:01:35,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:01:35,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:01:35" (1/1) ... [2019-10-14 23:01:35,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8c8127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:35, skipping insertion in model container [2019-10-14 23:01:35,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:01:35" (1/1) ... [2019-10-14 23:01:35,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:01:35,334 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:01:36,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:01:36,583 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:01:36,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:01:36,786 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:01:36,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36 WrapperNode [2019-10-14 23:01:36,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:01:36,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:01:36,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:01:36,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:01:36,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (1/1) ... [2019-10-14 23:01:36,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (1/1) ... [2019-10-14 23:01:36,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (1/1) ... [2019-10-14 23:01:36,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (1/1) ... [2019-10-14 23:01:36,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (1/1) ... [2019-10-14 23:01:36,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (1/1) ... [2019-10-14 23:01:36,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (1/1) ... [2019-10-14 23:01:36,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:01:36,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:01:36,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:01:36,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:01:36,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:01:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:01:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:01:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-10-14 23:01:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-14 23:01:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-14 23:01:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2019-10-14 23:01:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-14 23:01:37,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-14 23:01:37,037 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-14 23:01:37,037 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-14 23:01:37,037 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2019-10-14 23:01:37,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 23:01:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 23:01:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-14 23:01:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-14 23:01:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 23:01:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 23:01:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 23:01:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 23:01:37,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 23:01:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-14 23:01:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_select_wdt_out [2019-10-14 23:01:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_swc [2019-10-14 23:01:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_get_swc_base_addr [2019-10-14 23:01:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2019-10-14 23:01:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2019-10-14 23:01:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2019-10-14 23:01:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2019-10-14 23:01:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2019-10-14 23:01:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2019-10-14 23:01:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2019-10-14 23:01:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2019-10-14 23:01:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2019-10-14 23:01:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2019-10-14 23:01:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_open [2019-10-14 23:01:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_release [2019-10-14 23:01:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_status [2019-10-14 23:01:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2019-10-14 23:01:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_ioctl [2019-10-14 23:01:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_notify_sys [2019-10-14 23:01:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_init [2019-10-14 23:01:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_exit [2019-10-14 23:01:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-14 23:01:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:01:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_5 [2019-10-14 23:01:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_6 [2019-10-14 23:01:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_7 [2019-10-14 23:01:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_8 [2019-10-14 23:01:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_9 [2019-10-14 23:01:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 23:01:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 23:01:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 23:01:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 23:01:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 23:01:37,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-14 23:01:37,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-14 23:01:37,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-14 23:01:37,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-14 23:01:37,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-14 23:01:37,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 23:01:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-14 23:01:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-14 23:01:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-14 23:01:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-14 23:01:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-14 23:01:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-14 23:01:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-14 23:01:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 23:01:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-14 23:01:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-14 23:01:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-10-14 23:01:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 23:01:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2019-10-14 23:01:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2019-10-14 23:01:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 23:01:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 23:01:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 23:01:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 23:01:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:01:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 23:01:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-14 23:01:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-14 23:01:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 23:01:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-14 23:01:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 23:01:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2019-10-14 23:01:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-10-14 23:01:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:01:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-14 23:01:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-14 23:01:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-14 23:01:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-14 23:01:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-14 23:01:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-14 23:01:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-14 23:01:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-14 23:01:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2019-10-14 23:01:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_5 [2019-10-14 23:01:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-14 23:01:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:01:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:01:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:01:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 23:01:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 23:01:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 23:01:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 23:01:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:01:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 23:01:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 23:01:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-14 23:01:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-14 23:01:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 23:01:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 23:01:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 23:01:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 23:01:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 23:01:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-14 23:01:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-14 23:01:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_7 [2019-10-14 23:01:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-14 23:01:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_8 [2019-10-14 23:01:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_9 [2019-10-14 23:01:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-10-14 23:01:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_6 [2019-10-14 23:01:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2019-10-14 23:01:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2019-10-14 23:01:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-14 23:01:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-14 23:01:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-14 23:01:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:01:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_select_wdt_out [2019-10-14 23:01:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_swc [2019-10-14 23:01:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_get_swc_base_addr [2019-10-14 23:01:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2019-10-14 23:01:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2019-10-14 23:01:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2019-10-14 23:01:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2019-10-14 23:01:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2019-10-14 23:01:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2019-10-14 23:01:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2019-10-14 23:01:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2019-10-14 23:01:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2019-10-14 23:01:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2019-10-14 23:01:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_open [2019-10-14 23:01:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_release [2019-10-14 23:01:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_status [2019-10-14 23:01:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2019-10-14 23:01:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_ioctl [2019-10-14 23:01:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:01:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:01:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:01:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_notify_sys [2019-10-14 23:01:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_init [2019-10-14 23:01:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_exit [2019-10-14 23:01:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 23:01:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 23:01:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:01:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:01:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 23:01:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 23:01:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 23:01:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 23:01:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 23:01:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-14 23:01:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-14 23:01:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-14 23:01:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-14 23:01:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 23:01:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-14 23:01:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:01:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 23:01:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:01:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:01:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:01:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:01:37,633 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 23:01:38,286 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-14 23:01:40,926 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:01:40,926 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 23:01:40,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:01:40 BoogieIcfgContainer [2019-10-14 23:01:40,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:01:40,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:01:40,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:01:40,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:01:40,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:01:35" (1/3) ... [2019-10-14 23:01:40,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5525d4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:01:40, skipping insertion in model container [2019-10-14 23:01:40,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:01:36" (2/3) ... [2019-10-14 23:01:40,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5525d4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:01:40, skipping insertion in model container [2019-10-14 23:01:40,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:01:40" (3/3) ... [2019-10-14 23:01:40,939 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-10-14 23:01:40,949 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:01:40,961 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:01:40,973 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:01:41,020 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:01:41,020 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:01:41,020 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:01:41,021 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:01:41,021 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:01:41,021 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:01:41,021 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:01:41,021 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:01:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states. [2019-10-14 23:01:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-14 23:01:41,094 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:01:41,096 INFO L380 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] [2019-10-14 23:01:41,099 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:01:41,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:01:41,106 INFO L82 PathProgramCache]: Analyzing trace with hash -140049364, now seen corresponding path program 1 times [2019-10-14 23:01:41,116 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:01:41,118 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816065330] [2019-10-14 23:01:41,119 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:01:41,119 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:01:41,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:01:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,232 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-14 23:01:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-10-14 23:01:42,595 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816065330] [2019-10-14 23:01:42,597 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:01:42,597 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:01:42,597 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451367461] [2019-10-14 23:01:42,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:01:42,603 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:01:42,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:01:42,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:01:42,622 INFO L87 Difference]: Start difference. First operand 487 states. Second operand 8 states. [2019-10-14 23:01:43,030 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2019-10-14 23:01:43,703 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2019-10-14 23:01:44,090 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-14 23:01:52,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:01:52,171 INFO L93 Difference]: Finished difference Result 1058 states and 1378 transitions. [2019-10-14 23:01:52,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:01:52,173 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2019-10-14 23:01:52,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:01:52,198 INFO L225 Difference]: With dead ends: 1058 [2019-10-14 23:01:52,198 INFO L226 Difference]: Without dead ends: 597 [2019-10-14 23:01:52,208 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2019-10-14 23:01:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-10-14 23:01:52,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 570. [2019-10-14 23:01:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2019-10-14 23:01:52,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 730 transitions. [2019-10-14 23:01:52,468 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 730 transitions. Word has length 144 [2019-10-14 23:01:52,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:01:52,472 INFO L462 AbstractCegarLoop]: Abstraction has 570 states and 730 transitions. [2019-10-14 23:01:52,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:01:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 730 transitions. [2019-10-14 23:01:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-14 23:01:52,486 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:01:52,486 INFO L380 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] [2019-10-14 23:01:52,488 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:01:52,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:01:52,489 INFO L82 PathProgramCache]: Analyzing trace with hash -82791062, now seen corresponding path program 1 times [2019-10-14 23:01:52,489 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:01:52,490 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862114883] [2019-10-14 23:01:52,490 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:01:52,490 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:01:52,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:01:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,110 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-14 23:01:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:01:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-10-14 23:01:53,477 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862114883] [2019-10-14 23:01:53,477 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:01:53,478 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:01:53,478 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435463281] [2019-10-14 23:01:53,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:01:53,480 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:01:53,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:01:53,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:01:53,481 INFO L87 Difference]: Start difference. First operand 570 states and 730 transitions. Second operand 8 states. [2019-10-14 23:01:53,847 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2019-10-14 23:01:54,413 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2019-10-14 23:01:54,823 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-14 23:02:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:02:04,510 INFO L93 Difference]: Finished difference Result 941 states and 1206 transitions. [2019-10-14 23:02:04,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-14 23:02:04,510 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2019-10-14 23:02:04,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:02:04,520 INFO L225 Difference]: With dead ends: 941 [2019-10-14 23:02:04,520 INFO L226 Difference]: Without dead ends: 918 [2019-10-14 23:02:04,522 INFO L600 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 [2019-10-14 23:02:04,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-10-14 23:02:04,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 898. [2019-10-14 23:02:04,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2019-10-14 23:02:04,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1147 transitions. [2019-10-14 23:02:04,695 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1147 transitions. Word has length 144 [2019-10-14 23:02:04,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:02:04,696 INFO L462 AbstractCegarLoop]: Abstraction has 898 states and 1147 transitions. [2019-10-14 23:02:04,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:02:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1147 transitions. [2019-10-14 23:02:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-14 23:02:04,705 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:02:04,706 INFO L380 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] [2019-10-14 23:02:04,706 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:02:04,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:02:04,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1426613195, now seen corresponding path program 1 times [2019-10-14 23:02:04,707 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:02:04,707 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726917018] [2019-10-14 23:02:04,707 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:02:04,707 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:02:04,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:02:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,180 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-14 23:02:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:02:05,533 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.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) 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 [2019-10-14 23:02:05,542 INFO L168 Benchmark]: Toolchain (without parser) took 30342.71 ms. Allocated memory was 147.3 MB in the beginning and 594.0 MB in the end (delta: 446.7 MB). Free memory was 99.0 MB in the beginning and 122.2 MB in the end (delta: -23.2 MB). Peak memory consumption was 423.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:02:05,544 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 147.3 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 23:02:05,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1585.59 ms. Allocated memory was 147.3 MB in the beginning and 208.1 MB in the end (delta: 60.8 MB). Free memory was 98.8 MB in the beginning and 126.0 MB in the end (delta: -27.2 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:02:05,548 INFO L168 Benchmark]: Boogie Preprocessor took 178.70 ms. Allocated memory is still 208.1 MB. Free memory was 126.0 MB in the beginning and 119.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:02:05,556 INFO L168 Benchmark]: RCFGBuilder took 3961.57 ms. Allocated memory was 208.1 MB in the beginning and 255.9 MB in the end (delta: 47.7 MB). Free memory was 119.1 MB in the beginning and 133.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:02:05,558 INFO L168 Benchmark]: TraceAbstraction took 24610.36 ms. Allocated memory was 255.9 MB in the beginning and 594.0 MB in the end (delta: 338.2 MB). Free memory was 133.7 MB in the beginning and 122.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 349.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:02:05,569 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 147.3 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1585.59 ms. Allocated memory was 147.3 MB in the beginning and 208.1 MB in the end (delta: 60.8 MB). Free memory was 98.8 MB in the beginning and 126.0 MB in the end (delta: -27.2 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 178.70 ms. Allocated memory is still 208.1 MB. Free memory was 126.0 MB in the beginning and 119.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3961.57 ms. Allocated memory was 208.1 MB in the beginning and 255.9 MB in the end (delta: 47.7 MB). Free memory was 119.1 MB in the beginning and 133.7 MB in the end (delta: -14.6 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24610.36 ms. Allocated memory was 255.9 MB in the beginning and 594.0 MB in the end (delta: 338.2 MB). Free memory was 133.7 MB in the beginning and 122.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 349.6 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...