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-f4eb214f-m [2019-10-13 19:02:34,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:02:34,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:02:34,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:02:34,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:02:34,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:02:34,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:02:34,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:02:34,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:02:34,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:02:34,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:02:34,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:02:34,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:02:34,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:02:34,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:02:34,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:02:34,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:02:34,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:02:34,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:02:34,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:02:34,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:02:34,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:02:34,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:02:34,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:02:34,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:02:34,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:02:34,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:02:34,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:02:34,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:02:34,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:02:34,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:02:34,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:02:34,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:02:34,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:02:34,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:02:34,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:02:34,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:02:34,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:02:34,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:02:34,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:02:34,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:02:34,984 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 [2019-10-13 19:02:35,002 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:02:35,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:02:35,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:02:35,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:02:35,004 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:02:35,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:02:35,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:02:35,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:02:35,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:02:35,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:02:35,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:02:35,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:02:35,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:02:35,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:02:35,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:02:35,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:02:35,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:02:35,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:02:35,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:02:35,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:02:35,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:02:35,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:02:35,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:02:35,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:02:35,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:02:35,008 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:02:35,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:02:35,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:02:35,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:02:35,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:02:35,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:02:35,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:02:35,319 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:02:35,320 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:02:35,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-10-13 19:02:35,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401a5d349/9b6467e23bf04fe793c4309773f7fbf8/FLAG5aeca5a28 [2019-10-13 19:02:36,090 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:02:36,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-10-13 19:02:36,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401a5d349/9b6467e23bf04fe793c4309773f7fbf8/FLAG5aeca5a28 [2019-10-13 19:02:36,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/401a5d349/9b6467e23bf04fe793c4309773f7fbf8 [2019-10-13 19:02:36,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:02:36,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:02:36,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:02:36,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:02:36,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:02:36,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:36" (1/1) ... [2019-10-13 19:02:36,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a866393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:36, skipping insertion in model container [2019-10-13 19:02:36,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:36" (1/1) ... [2019-10-13 19:02:36,209 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:02:36,309 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:02:37,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:02:37,292 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:02:37,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:02:37,618 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:02:37,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37 WrapperNode [2019-10-13 19:02:37,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:02:37,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:02:37,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:02:37,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:02:37,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (1/1) ... [2019-10-13 19:02:37,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (1/1) ... [2019-10-13 19:02:37,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (1/1) ... [2019-10-13 19:02:37,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (1/1) ... [2019-10-13 19:02:37,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (1/1) ... [2019-10-13 19:02:37,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (1/1) ... [2019-10-13 19:02:37,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (1/1) ... [2019-10-13 19:02:37,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:02:37,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:02:37,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:02:37,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:02:37,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (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 [2019-10-13 19:02:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:02:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:02:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2019-10-13 19:02:37,898 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 19:02:37,898 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 19:02:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2019-10-13 19:02:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 19:02:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 19:02:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-13 19:02:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-13 19:02:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2019-10-13 19:02:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 19:02:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 19:02:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 19:02:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 19:02:37,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 19:02:37,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 19:02:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 19:02:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 19:02:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 19:02:37,905 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 19:02:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_select_wdt_out [2019-10-13 19:02:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_swc [2019-10-13 19:02:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_get_swc_base_addr [2019-10-13 19:02:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2019-10-13 19:02:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2019-10-13 19:02:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2019-10-13 19:02:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2019-10-13 19:02:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2019-10-13 19:02:37,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2019-10-13 19:02:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2019-10-13 19:02:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2019-10-13 19:02:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2019-10-13 19:02:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2019-10-13 19:02:37,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_open [2019-10-13 19:02:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_release [2019-10-13 19:02:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_status [2019-10-13 19:02:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2019-10-13 19:02:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_ioctl [2019-10-13 19:02:37,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_notify_sys [2019-10-13 19:02:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_init [2019-10-13 19:02:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_exit [2019-10-13 19:02:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-13 19:02:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:02:37,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_5 [2019-10-13 19:02:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_6 [2019-10-13 19:02:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_7 [2019-10-13 19:02:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_8 [2019-10-13 19:02:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_9 [2019-10-13 19:02:37,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 19:02:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 19:02:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 19:02:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 19:02:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 19:02:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-13 19:02:37,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-13 19:02:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-13 19:02:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-13 19:02:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-13 19:02:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 19:02:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 19:02:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 19:02:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-13 19:02:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-13 19:02:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 19:02:37,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 19:02:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 19:02:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 19:02:37,915 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-13 19:02:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-13 19:02:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-10-13 19:02:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 19:02:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2019-10-13 19:02:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2019-10-13 19:02:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 19:02:37,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 19:02:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 19:02:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 19:02:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:02:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 19:02:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 19:02:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 19:02:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 19:02:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 19:02:37,919 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 19:02:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2019-10-13 19:02:37,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2019-10-13 19:02:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:02:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 19:02:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 19:02:37,921 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 19:02:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 19:02:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-13 19:02:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-13 19:02:37,922 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-13 19:02:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-13 19:02:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2019-10-13 19:02:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_5 [2019-10-13 19:02:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-13 19:02:37,923 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:02:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 19:02:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:02:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 19:02:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 19:02:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:02:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 19:02:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:02:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 19:02:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 19:02:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 19:02:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 19:02:37,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 19:02:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 19:02:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 19:02:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 19:02:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 19:02:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-13 19:02:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-13 19:02:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_7 [2019-10-13 19:02:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-13 19:02:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_8 [2019-10-13 19:02:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_9 [2019-10-13 19:02:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-10-13 19:02:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_6 [2019-10-13 19:02:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2019-10-13 19:02:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2019-10-13 19:02:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 19:02:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 19:02:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 19:02:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:02:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_select_wdt_out [2019-10-13 19:02:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_swc [2019-10-13 19:02:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_get_swc_base_addr [2019-10-13 19:02:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2019-10-13 19:02:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2019-10-13 19:02:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2019-10-13 19:02:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2019-10-13 19:02:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2019-10-13 19:02:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2019-10-13 19:02:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2019-10-13 19:02:37,936 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2019-10-13 19:02:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2019-10-13 19:02:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2019-10-13 19:02:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_open [2019-10-13 19:02:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_release [2019-10-13 19:02:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_status [2019-10-13 19:02:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2019-10-13 19:02:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_ioctl [2019-10-13 19:02:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:02:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:02:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:02:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_notify_sys [2019-10-13 19:02:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_init [2019-10-13 19:02:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_exit [2019-10-13 19:02:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 19:02:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 19:02:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:02:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:02:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 19:02:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 19:02:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 19:02:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 19:02:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 19:02:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-13 19:02:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-13 19:02:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-13 19:02:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-13 19:02:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 19:02:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 19:02:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:02:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 19:02:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:02:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:02:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 19:02:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:02:38,509 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 19:02:39,194 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-13 19:02:41,781 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:02:41,782 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 19:02:41,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:41 BoogieIcfgContainer [2019-10-13 19:02:41,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:02:41,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:02:41,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:02:41,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:02:41,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:02:36" (1/3) ... [2019-10-13 19:02:41,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8596af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:41, skipping insertion in model container [2019-10-13 19:02:41,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:37" (2/3) ... [2019-10-13 19:02:41,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8596af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:41, skipping insertion in model container [2019-10-13 19:02:41,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:41" (3/3) ... [2019-10-13 19:02:41,795 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2019-10-13 19:02:41,805 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:02:41,816 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:02:41,830 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:02:41,871 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:02:41,871 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:02:41,872 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:02:41,872 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:02:41,872 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:02:41,872 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:02:41,872 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:02:41,873 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:02:41,918 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states. [2019-10-13 19:02:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-13 19:02:41,947 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:02:41,949 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] [2019-10-13 19:02:41,951 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:02:41,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:02:41,957 INFO L82 PathProgramCache]: Analyzing trace with hash -140049364, now seen corresponding path program 1 times [2019-10-13 19:02:41,966 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:02:41,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66696670] [2019-10-13 19:02:41,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:02:41,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:02:41,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:02:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,076 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-13 19:02:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-10-13 19:02:43,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66696670] [2019-10-13 19:02:43,416 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:02:43,417 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:02:43,417 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824291173] [2019-10-13 19:02:43,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:02:43,424 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:02:43,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:02:43,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:02:43,440 INFO L87 Difference]: Start difference. First operand 487 states. Second operand 8 states. [2019-10-13 19:02:43,831 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2019-10-13 19:02:44,470 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2019-10-13 19:02:44,846 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-13 19:02:52,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:02:52,412 INFO L93 Difference]: Finished difference Result 1058 states and 1378 transitions. [2019-10-13 19:02:52,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 19:02:52,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2019-10-13 19:02:52,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:02:52,439 INFO L225 Difference]: With dead ends: 1058 [2019-10-13 19:02:52,439 INFO L226 Difference]: Without dead ends: 597 [2019-10-13 19:02:52,447 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2019-10-13 19:02:52,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-10-13 19:02:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 570. [2019-10-13 19:02:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2019-10-13 19:02:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 730 transitions. [2019-10-13 19:02:52,642 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 730 transitions. Word has length 144 [2019-10-13 19:02:52,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:02:52,644 INFO L462 AbstractCegarLoop]: Abstraction has 570 states and 730 transitions. [2019-10-13 19:02:52,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:02:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 730 transitions. [2019-10-13 19:02:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-13 19:02:52,648 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:02:52,648 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] [2019-10-13 19:02:52,649 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:02:52,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:02:52,649 INFO L82 PathProgramCache]: Analyzing trace with hash -82791062, now seen corresponding path program 1 times [2019-10-13 19:02:52,649 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:02:52,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126407607] [2019-10-13 19:02:52,650 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:02:52,650 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:02:52,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:02:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,136 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-13 19:02:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-10-13 19:02:53,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126407607] [2019-10-13 19:02:53,527 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:02:53,527 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:02:53,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831056761] [2019-10-13 19:02:53,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:02:53,531 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:02:53,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:02:53,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:02:53,532 INFO L87 Difference]: Start difference. First operand 570 states and 730 transitions. Second operand 8 states. [2019-10-13 19:02:53,858 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2019-10-13 19:02:54,386 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2019-10-13 19:02:54,794 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2019-10-13 19:03:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:03:03,882 INFO L93 Difference]: Finished difference Result 941 states and 1206 transitions. [2019-10-13 19:03:03,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 19:03:03,882 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 144 [2019-10-13 19:03:03,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:03:03,896 INFO L225 Difference]: With dead ends: 941 [2019-10-13 19:03:03,898 INFO L226 Difference]: Without dead ends: 918 [2019-10-13 19:03:03,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2019-10-13 19:03:03,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2019-10-13 19:03:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 898. [2019-10-13 19:03:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2019-10-13 19:03:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1147 transitions. [2019-10-13 19:03:04,152 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1147 transitions. Word has length 144 [2019-10-13 19:03:04,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:03:04,153 INFO L462 AbstractCegarLoop]: Abstraction has 898 states and 1147 transitions. [2019-10-13 19:03:04,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:03:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1147 transitions. [2019-10-13 19:03:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-13 19:03:04,164 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:03:04,165 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] [2019-10-13 19:03:04,165 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:03:04,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:03:04,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1426613195, now seen corresponding path program 1 times [2019-10-13 19:03:04,166 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:03:04,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785200379] [2019-10-13 19:03:04,166 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:03:04,166 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:03:04,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:03:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,603 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-13 19:03:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:04,869 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 [2019-10-13 19:03:04,876 INFO L168 Benchmark]: Toolchain (without parser) took 28679.50 ms. Allocated memory was 138.9 MB in the beginning and 615.5 MB in the end (delta: 476.6 MB). Free memory was 98.5 MB in the beginning and 360.0 MB in the end (delta: -261.5 MB). Peak memory consumption was 215.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:03:04,878 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 19:03:04,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1422.38 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 98.1 MB in the beginning and 123.0 MB in the end (delta: -24.9 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2019-10-13 19:03:04,881 INFO L168 Benchmark]: Boogie Preprocessor took 191.20 ms. Allocated memory is still 206.6 MB. Free memory was 123.0 MB in the beginning and 114.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:03:04,886 INFO L168 Benchmark]: RCFGBuilder took 3972.59 ms. Allocated memory was 206.6 MB in the beginning and 256.4 MB in the end (delta: 49.8 MB). Free memory was 114.0 MB in the beginning and 137.1 MB in the end (delta: -23.1 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. [2019-10-13 19:03:04,887 INFO L168 Benchmark]: TraceAbstraction took 23088.97 ms. Allocated memory was 256.4 MB in the beginning and 615.5 MB in the end (delta: 359.1 MB). Free memory was 137.1 MB in the beginning and 360.0 MB in the end (delta: -222.9 MB). Peak memory consumption was 136.2 MB. Max. memory is 7.1 GB. [2019-10-13 19:03:04,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1422.38 ms. Allocated memory was 138.9 MB in the beginning and 206.6 MB in the end (delta: 67.6 MB). Free memory was 98.1 MB in the beginning and 123.0 MB in the end (delta: -24.9 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.20 ms. Allocated memory is still 206.6 MB. Free memory was 123.0 MB in the beginning and 114.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3972.59 ms. Allocated memory was 206.6 MB in the beginning and 256.4 MB in the end (delta: 49.8 MB). Free memory was 114.0 MB in the beginning and 137.1 MB in the end (delta: -23.1 MB). Peak memory consumption was 74.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23088.97 ms. Allocated memory was 256.4 MB in the beginning and 615.5 MB in the end (delta: 359.1 MB). Free memory was 137.1 MB in the beginning and 360.0 MB in the end (delta: -222.9 MB). Peak memory consumption was 136.2 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...