java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:18:33,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:18:33,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:18:33,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:18:33,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:18:33,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:18:33,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:18:33,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:18:33,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:18:33,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:18:33,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:18:33,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:18:33,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:18:33,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:18:33,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:18:33,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:18:33,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:18:33,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:18:33,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:18:33,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:18:33,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:18:33,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:18:33,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:18:33,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:18:33,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:18:33,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:18:33,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:18:33,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:18:33,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:18:33,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:18:33,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:18:33,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:18:33,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:18:33,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:18:33,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:18:33,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:18:33,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:18:33,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:18:33,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:18:33,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:18:33,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:18:33,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:18:33,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:18:33,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:18:33,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:18:33,717 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:18:33,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:18:33,718 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:18:33,719 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:18:33,719 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:18:33,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:18:33,719 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:18:33,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:18:33,722 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:18:33,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:18:33,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:18:33,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:18:33,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:18:33,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:18:33,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:18:33,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:18:33,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:18:33,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:18:33,724 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:18:33,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:18:33,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:18:33,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:18:33,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:18:33,725 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:18:33,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:18:33,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:18:33,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:18:33,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:18:33,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:18:33,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:18:33,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:18:33,804 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:18:33,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-03 02:18:33,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc0b0a56/6a29798d08734fa1b5efb8aaf952cdaa/FLAGfb4845009 [2019-10-03 02:18:34,629 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:18:34,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-03 02:18:34,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc0b0a56/6a29798d08734fa1b5efb8aaf952cdaa/FLAGfb4845009 [2019-10-03 02:18:34,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc0b0a56/6a29798d08734fa1b5efb8aaf952cdaa [2019-10-03 02:18:34,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:18:34,707 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:18:34,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:18:34,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:18:34,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:18:34,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:18:34" (1/1) ... [2019-10-03 02:18:34,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba20cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:34, skipping insertion in model container [2019-10-03 02:18:34,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:18:34" (1/1) ... [2019-10-03 02:18:34,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:18:34,817 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:18:36,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:18:36,131 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:18:36,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:18:36,640 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:18:36,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36 WrapperNode [2019-10-03 02:18:36,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:18:36,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:18:36,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:18:36,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:18:36,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (1/1) ... [2019-10-03 02:18:36,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (1/1) ... [2019-10-03 02:18:36,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (1/1) ... [2019-10-03 02:18:36,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (1/1) ... [2019-10-03 02:18:36,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (1/1) ... [2019-10-03 02:18:36,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (1/1) ... [2019-10-03 02:18:36,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (1/1) ... [2019-10-03 02:18:36,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:18:36,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:18:36,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:18:36,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:18:36,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (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 [2019-10-03 02:18:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:18:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:18:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 02:18:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 02:18:36,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 02:18:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 02:18:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 02:18:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 02:18:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 02:18:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 02:18:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 02:18:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 02:18:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 02:18:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 02:18:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-03 02:18:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-03 02:18:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 02:18:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:18:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2019-10-03 02:18:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2019-10-03 02:18:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 02:18:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-03 02:18:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_block [2019-10-03 02:18:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_exit [2019-10-03 02:18:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_init [2019-10-03 02:18:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure add_tx_queue [2019-10-03 02:18:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2019-10-03 02:18:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_queue [2019-10-03 02:18:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_rx_queue [2019-10-03 02:18:37,000 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2019-10-03 02:18:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2019-10-03 02:18:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-10-03 02:18:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2019-10-03 02:18:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_block [2019-10-03 02:18:37,001 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2019-10-03 02:18:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_char [2019-10-03 02:18:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_error [2019-10-03 02:18:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure on_timeout [2019-10-03 02:18:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2019-10-03 02:18:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_signals [2019-10-03 02:18:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure read_telegram [2019-10-03 02:18:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2019-10-03 02:18:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2019-10-03 02:18:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2019-10-03 02:18:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_open [2019-10-03 02:18:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2019-10-03 02:18:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_read [2019-10-03 02:18:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_write [2019-10-03 02:18:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2019-10-03 02:18:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2019-10-03 02:18:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2019-10-03 02:18:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_receive_buf [2019-10-03 02:18:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-03 02:18:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-03 02:18:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-03 02:18:37,004 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-03 02:18:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-10-03 02:18:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-03 02:18:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-03 02:18:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-03 02:18:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:18:37,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 02:18:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 02:18:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-03 02:18:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-10-03 02:18:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-10-03 02:18:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2019-10-03 02:18:37,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26 [2019-10-03 02:18:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-10-03 02:18:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-10-03 02:18:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_29 [2019-10-03 02:18:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2019-10-03 02:18:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_31 [2019-10-03 02:18:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32 [2019-10-03 02:18:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33 [2019-10-03 02:18:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 02:18:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 02:18:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 02:18:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 02:18:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 02:18:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 02:18:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:18:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-03 02:18:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-03 02:18:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-03 02:18:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-03 02:18:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 02:18:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 02:18:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-03 02:18:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 02:18:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-03 02:18:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 02:18:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:18:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-03 02:18:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-03 02:18:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid [2019-10-03 02:18:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 02:18:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 02:18:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-03 02:18:37,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-03 02:18:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-03 02:18:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 02:18:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2019-10-03 02:18:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-03 02:18:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2019-10-03 02:18:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_put_char [2019-10-03 02:18:37,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-03 02:18:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2019-10-03 02:18:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-03 02:18:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_write_room [2019-10-03 02:18:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 02:18:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 02:18:37,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 02:18:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 02:18:37,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 02:18:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:18:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 02:18:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 02:18:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-03 02:18:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-03 02:18:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-03 02:18:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-03 02:18:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:18:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 02:18:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 02:18:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:18:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 02:18:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 02:18:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 02:18:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 02:18:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:18:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 02:18:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 02:18:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 02:18:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 02:18:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 02:18:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 02:18:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 02:18:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 02:18:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 02:18:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 02:18:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:18:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-03 02:18:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-03 02:18:37,018 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 02:18:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-03 02:18:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 02:18:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 02:18:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 02:18:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-03 02:18:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 02:18:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 02:18:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-03 02:18:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-03 02:18:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-03 02:18:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-03 02:18:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-10-03 02:18:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-10-03 02:18:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2019-10-03 02:18:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26 [2019-10-03 02:18:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-10-03 02:18:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_29 [2019-10-03 02:18:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2019-10-03 02:18:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_31 [2019-10-03 02:18:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32 [2019-10-03 02:18:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-03 02:18:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-10-03 02:18:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33 [2019-10-03 02:18:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2019-10-03 02:18:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2019-10-03 02:18:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-03 02:18:37,022 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2019-10-03 02:18:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:18:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid [2019-10-03 02:18:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 02:18:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-03 02:18:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 02:18:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 02:18:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-03 02:18:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-03 02:18:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-03 02:18:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-03 02:18:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-10-03 02:18:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-03 02:18:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-03 02:18:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-03 02:18:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 02:18:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 02:18:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 02:18:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:18:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure tty_put_char [2019-10-03 02:18:37,025 INFO L130 BoogieDeclarations]: Found specification of procedure tty_write_room [2019-10-03 02:18:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-03 02:18:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-03 02:18:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2019-10-03 02:18:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2019-10-03 02:18:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-03 02:18:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 02:18:37,026 INFO L130 BoogieDeclarations]: Found specification of procedure add_tx_queue [2019-10-03 02:18:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2019-10-03 02:18:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2019-10-03 02:18:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-10-03 02:18:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2019-10-03 02:18:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_block [2019-10-03 02:18:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure receive_char [2019-10-03 02:18:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure receive_error [2019-10-03 02:18:37,027 INFO L130 BoogieDeclarations]: Found specification of procedure on_timeout [2019-10-03 02:18:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure enable_signals [2019-10-03 02:18:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure read_telegram [2019-10-03 02:18:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2019-10-03 02:18:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2019-10-03 02:18:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2019-10-03 02:18:37,028 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_open [2019-10-03 02:18:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2019-10-03 02:18:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_read [2019-10-03 02:18:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_write [2019-10-03 02:18:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2019-10-03 02:18:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2019-10-03 02:18:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2019-10-03 02:18:37,029 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_receive_buf [2019-10-03 02:18:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure dump_block [2019-10-03 02:18:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:18:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:18:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:18:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_exit [2019-10-03 02:18:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_init [2019-10-03 02:18:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_queue [2019-10-03 02:18:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_rx_queue [2019-10-03 02:18:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2019-10-03 02:18:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 02:18:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2019-10-03 02:18:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 02:18:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2019-10-03 02:18:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 02:18:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 02:18:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:18:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 02:18:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 02:18:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 02:18:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 02:18:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 02:18:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-03 02:18:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 02:18:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-03 02:18:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-03 02:18:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 02:18:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 02:18:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:18:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:18:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:18:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 02:18:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:18:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 02:18:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 02:18:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 02:18:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 02:18:37,632 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 02:18:40,109 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:18:40,110 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 02:18:40,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:18:40 BoogieIcfgContainer [2019-10-03 02:18:40,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:18:40,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:18:40,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:18:40,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:18:40,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:18:34" (1/3) ... [2019-10-03 02:18:40,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433c2450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:18:40, skipping insertion in model container [2019-10-03 02:18:40,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:18:36" (2/3) ... [2019-10-03 02:18:40,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433c2450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:18:40, skipping insertion in model container [2019-10-03 02:18:40,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:18:40" (3/3) ... [2019-10-03 02:18:40,119 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-03 02:18:40,130 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:18:40,155 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:18:40,172 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:18:40,203 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:18:40,204 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:18:40,204 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:18:40,204 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:18:40,204 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:18:40,204 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:18:40,204 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:18:40,204 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:18:40,308 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states. [2019-10-03 02:18:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 02:18:40,345 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:40,346 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:40,349 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:40,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:40,355 INFO L82 PathProgramCache]: Analyzing trace with hash -428554821, now seen corresponding path program 1 times [2019-10-03 02:18:40,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:40,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:40,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:40,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:40,434 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-10-03 02:18:41,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:41,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:18:41,101 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:41,108 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:18:41,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:18:41,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:41,125 INFO L87 Difference]: Start difference. First operand 961 states. Second operand 3 states. [2019-10-03 02:18:41,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:41,369 INFO L93 Difference]: Finished difference Result 1296 states and 1750 transitions. [2019-10-03 02:18:41,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:18:41,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-03 02:18:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:41,398 INFO L225 Difference]: With dead ends: 1296 [2019-10-03 02:18:41,399 INFO L226 Difference]: Without dead ends: 1249 [2019-10-03 02:18:41,400 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:18:41,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2019-10-03 02:18:41,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1246. [2019-10-03 02:18:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2019-10-03 02:18:41,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1690 transitions. [2019-10-03 02:18:41,552 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1690 transitions. Word has length 153 [2019-10-03 02:18:41,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:41,553 INFO L475 AbstractCegarLoop]: Abstraction has 1246 states and 1690 transitions. [2019-10-03 02:18:41,553 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:18:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1690 transitions. [2019-10-03 02:18:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-03 02:18:41,557 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:41,558 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:41,558 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:41,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:41,559 INFO L82 PathProgramCache]: Analyzing trace with hash -559223229, now seen corresponding path program 1 times [2019-10-03 02:18:41,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:41,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:41,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:41,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:41,567 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-10-03 02:18:41,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:41,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:18:41,801 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:41,803 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:18:41,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:18:41,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:18:41,804 INFO L87 Difference]: Start difference. First operand 1246 states and 1690 transitions. Second operand 5 states. [2019-10-03 02:18:45,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:45,014 INFO L93 Difference]: Finished difference Result 4796 states and 6806 transitions. [2019-10-03 02:18:45,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:18:45,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2019-10-03 02:18:45,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:45,048 INFO L225 Difference]: With dead ends: 4796 [2019-10-03 02:18:45,048 INFO L226 Difference]: Without dead ends: 4796 [2019-10-03 02:18:45,049 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:18:45,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4796 states. [2019-10-03 02:18:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4796 to 4780. [2019-10-03 02:18:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4780 states. [2019-10-03 02:18:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4780 states to 4780 states and 6790 transitions. [2019-10-03 02:18:45,259 INFO L78 Accepts]: Start accepts. Automaton has 4780 states and 6790 transitions. Word has length 166 [2019-10-03 02:18:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:45,261 INFO L475 AbstractCegarLoop]: Abstraction has 4780 states and 6790 transitions. [2019-10-03 02:18:45,261 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:18:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 6790 transitions. [2019-10-03 02:18:45,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-03 02:18:45,265 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:45,265 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:45,265 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:45,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:45,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1737264831, now seen corresponding path program 1 times [2019-10-03 02:18:45,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:45,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:45,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:45,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:45,276 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-10-03 02:18:45,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:45,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:18:45,481 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:45,482 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:18:45,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:18:45,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:18:45,482 INFO L87 Difference]: Start difference. First operand 4780 states and 6790 transitions. Second operand 5 states. [2019-10-03 02:18:48,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:48,671 INFO L93 Difference]: Finished difference Result 18910 states and 28431 transitions. [2019-10-03 02:18:48,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:18:48,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2019-10-03 02:18:48,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:48,801 INFO L225 Difference]: With dead ends: 18910 [2019-10-03 02:18:48,802 INFO L226 Difference]: Without dead ends: 18910 [2019-10-03 02:18:48,802 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:18:48,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18910 states. [2019-10-03 02:18:49,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18910 to 18897. [2019-10-03 02:18:49,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18897 states. [2019-10-03 02:18:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18897 states to 18897 states and 28421 transitions. [2019-10-03 02:18:49,611 INFO L78 Accepts]: Start accepts. Automaton has 18897 states and 28421 transitions. Word has length 167 [2019-10-03 02:18:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:49,612 INFO L475 AbstractCegarLoop]: Abstraction has 18897 states and 28421 transitions. [2019-10-03 02:18:49,612 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:18:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 18897 states and 28421 transitions. [2019-10-03 02:18:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-03 02:18:49,615 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:49,615 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:49,616 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:49,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:49,616 INFO L82 PathProgramCache]: Analyzing trace with hash 966880715, now seen corresponding path program 1 times [2019-10-03 02:18:49,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:49,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:49,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:49,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:49,625 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-10-03 02:18:50,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:50,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:18:50,574 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:50,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:18:50,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:18:50,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:18:50,576 INFO L87 Difference]: Start difference. First operand 18897 states and 28421 transitions. Second operand 5 states. [2019-10-03 02:18:53,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:18:53,961 INFO L93 Difference]: Finished difference Result 75306 states and 122017 transitions. [2019-10-03 02:18:53,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:18:53,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2019-10-03 02:18:53,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:18:54,441 INFO L225 Difference]: With dead ends: 75306 [2019-10-03 02:18:54,442 INFO L226 Difference]: Without dead ends: 75306 [2019-10-03 02:18:54,442 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:18:54,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75306 states. [2019-10-03 02:18:58,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75306 to 75289. [2019-10-03 02:18:58,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75289 states. [2019-10-03 02:18:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75289 states to 75289 states and 122003 transitions. [2019-10-03 02:18:58,735 INFO L78 Accepts]: Start accepts. Automaton has 75289 states and 122003 transitions. Word has length 168 [2019-10-03 02:18:58,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:18:58,736 INFO L475 AbstractCegarLoop]: Abstraction has 75289 states and 122003 transitions. [2019-10-03 02:18:58,736 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:18:58,736 INFO L276 IsEmpty]: Start isEmpty. Operand 75289 states and 122003 transitions. [2019-10-03 02:18:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-03 02:18:58,742 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:18:58,742 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:18:58,742 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:18:58,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:18:58,743 INFO L82 PathProgramCache]: Analyzing trace with hash -535223735, now seen corresponding path program 1 times [2019-10-03 02:18:58,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:18:58,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:58,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:18:58,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:18:58,749 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:18:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:18:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-10-03 02:18:58,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:18:58,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:18:58,929 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:18:58,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:18:58,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:18:58,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:18:58,931 INFO L87 Difference]: Start difference. First operand 75289 states and 122003 transitions. Second operand 5 states. [2019-10-03 02:19:06,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:06,495 INFO L93 Difference]: Finished difference Result 295443 states and 519645 transitions. [2019-10-03 02:19:06,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:19:06,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2019-10-03 02:19:06,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:08,250 INFO L225 Difference]: With dead ends: 295443 [2019-10-03 02:19:08,253 INFO L226 Difference]: Without dead ends: 295443 [2019-10-03 02:19:08,254 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:19:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295443 states. [2019-10-03 02:19:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295443 to 295419. [2019-10-03 02:19:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295419 states. [2019-10-03 02:19:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295419 states to 295419 states and 519624 transitions. [2019-10-03 02:19:23,245 INFO L78 Accepts]: Start accepts. Automaton has 295419 states and 519624 transitions. Word has length 169 [2019-10-03 02:19:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:23,246 INFO L475 AbstractCegarLoop]: Abstraction has 295419 states and 519624 transitions. [2019-10-03 02:19:23,246 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:19:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 295419 states and 519624 transitions. [2019-10-03 02:19:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-03 02:19:23,248 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:23,248 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2019-10-03 02:19:23,249 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:23,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:23,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1398252676, now seen corresponding path program 1 times [2019-10-03 02:19:23,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:23,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:23,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:23,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:23,255 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-03 02:19:28,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:28,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:19:28,983 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:28,984 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:19:28,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:19:28,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:28,984 INFO L87 Difference]: Start difference. First operand 295419 states and 519624 transitions. Second operand 3 states. [2019-10-03 02:19:32,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:19:32,624 INFO L93 Difference]: Finished difference Result 417656 states and 710182 transitions. [2019-10-03 02:19:32,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:19:32,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-03 02:19:32,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:19:34,414 INFO L225 Difference]: With dead ends: 417656 [2019-10-03 02:19:34,414 INFO L226 Difference]: Without dead ends: 417656 [2019-10-03 02:19:34,414 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417656 states. [2019-10-03 02:19:51,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417656 to 417653. [2019-10-03 02:19:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417653 states. [2019-10-03 02:19:55,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417653 states to 417653 states and 710180 transitions. [2019-10-03 02:19:55,134 INFO L78 Accepts]: Start accepts. Automaton has 417653 states and 710180 transitions. Word has length 189 [2019-10-03 02:19:55,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:19:55,135 INFO L475 AbstractCegarLoop]: Abstraction has 417653 states and 710180 transitions. [2019-10-03 02:19:55,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:19:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 417653 states and 710180 transitions. [2019-10-03 02:19:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-03 02:19:55,138 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:19:55,138 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2019-10-03 02:19:55,138 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:19:55,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:19:55,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1675506449, now seen corresponding path program 1 times [2019-10-03 02:19:55,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:19:55,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:55,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:19:55,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:19:55,149 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:19:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:19:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2019-10-03 02:19:55,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:19:55,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:19:55,332 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:19:55,332 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:19:55,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:19:55,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:19:55,333 INFO L87 Difference]: Start difference. First operand 417653 states and 710180 transitions. Second operand 3 states. [2019-10-03 02:20:06,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:20:06,877 INFO L93 Difference]: Finished difference Result 442721 states and 744525 transitions. [2019-10-03 02:20:06,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:20:06,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-03 02:20:06,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:20:06,878 INFO L225 Difference]: With dead ends: 442721 [2019-10-03 02:20:06,878 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:20:06,879 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:20:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:20:06,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:20:06,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:20:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:20:06,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2019-10-03 02:20:06,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:20:06,880 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:20:06,880 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:20:06,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:20:06,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:20:06,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:20:06 BoogieIcfgContainer [2019-10-03 02:20:06,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:20:06,887 INFO L168 Benchmark]: Toolchain (without parser) took 92178.54 ms. Allocated memory was 132.6 MB in the beginning and 4.0 GB in the end (delta: 3.9 GB). Free memory was 81.5 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. [2019-10-03 02:20:06,888 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 02:20:06,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1933.46 ms. Allocated memory was 132.6 MB in the beginning and 220.7 MB in the end (delta: 88.1 MB). Free memory was 81.2 MB in the beginning and 86.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:20:06,890 INFO L168 Benchmark]: Boogie Preprocessor took 278.47 ms. Allocated memory was 220.7 MB in the beginning and 271.6 MB in the end (delta: 50.9 MB). Free memory was 86.6 MB in the beginning and 227.6 MB in the end (delta: -141.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:20:06,891 INFO L168 Benchmark]: RCFGBuilder took 3191.13 ms. Allocated memory was 271.6 MB in the beginning and 276.8 MB in the end (delta: 5.2 MB). Free memory was 227.6 MB in the beginning and 74.2 MB in the end (delta: 153.4 MB). Peak memory consumption was 166.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:20:06,891 INFO L168 Benchmark]: TraceAbstraction took 86771.49 ms. Allocated memory was 276.8 MB in the beginning and 4.0 GB in the end (delta: 3.7 GB). Free memory was 71.9 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.8 GB. Max. memory is 7.1 GB. [2019-10-03 02:20:06,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1933.46 ms. Allocated memory was 132.6 MB in the beginning and 220.7 MB in the end (delta: 88.1 MB). Free memory was 81.2 MB in the beginning and 86.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 278.47 ms. Allocated memory was 220.7 MB in the beginning and 271.6 MB in the end (delta: 50.9 MB). Free memory was 86.6 MB in the beginning and 227.6 MB in the end (delta: -141.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3191.13 ms. Allocated memory was 271.6 MB in the beginning and 276.8 MB in the end (delta: 5.2 MB). Free memory was 227.6 MB in the beginning and 74.2 MB in the end (delta: 153.4 MB). Peak memory consumption was 166.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86771.49 ms. Allocated memory was 276.8 MB in the beginning and 4.0 GB in the end (delta: 3.7 GB). Free memory was 71.9 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 115 procedures, 1008 locations, 1 error locations. SAFE Result, 86.6s OverallTime, 7 OverallIterations, 7 TraceHistogramMax, 37.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12401 SDtfs, 20103 SDslu, 18145 SDs, 0 SdLazy, 4473 SolverSat, 2103 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417653occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 41.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 76 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 1203 NumberOfCodeBlocks, 1203 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1196 ConstructedInterpolants, 0 QuantifiedInterpolants, 259754 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 1689/1689 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...