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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -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 0.1.24-13a467a-m [2019-10-15 01:00:21,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:00:21,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:00:21,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:00:21,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:00:21,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:00:21,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:00:21,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:00:21,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:00:21,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:00:21,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:00:21,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:00:21,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:00:21,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:00:21,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:00:21,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:00:21,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:00:21,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:00:21,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:00:21,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:00:21,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:00:21,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:00:21,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:00:21,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:00:21,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:00:21,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:00:21,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:00:21,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:00:21,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:00:21,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:00:21,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:00:21,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:00:21,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:00:21,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:00:21,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:00:21,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:00:21,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:00:21,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:00:21,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:00:21,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:00:21,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:00:21,740 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 [2019-10-15 01:00:21,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:00:21,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:00:21,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:00:21,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:00:21,755 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:00:21,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:00:21,756 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:00:21,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:00:21,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:00:21,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:00:21,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:00:21,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:00:21,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:00:21,757 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:00:21,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:00:21,757 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:00:21,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:00:21,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:00:21,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:00:21,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:00:21,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:00:21,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:00:21,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:00:21,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:00:21,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:00:21,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:00:21,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:00:21,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:00:21,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:00:22,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:00:22,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:00:22,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:00:22,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:00:22,059 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:00:22,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-15 01:00:22,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59e6bd20/650d27ccf6dc45f398d6bcc8ce13fd55/FLAGfd0f0dbe0 [2019-10-15 01:00:22,881 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:00:22,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-15 01:00:22,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59e6bd20/650d27ccf6dc45f398d6bcc8ce13fd55/FLAGfd0f0dbe0 [2019-10-15 01:00:22,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c59e6bd20/650d27ccf6dc45f398d6bcc8ce13fd55 [2019-10-15 01:00:22,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:00:22,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:00:22,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:00:22,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:00:23,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:00:23,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:00:22" (1/1) ... [2019-10-15 01:00:23,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b893c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:23, skipping insertion in model container [2019-10-15 01:00:23,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:00:22" (1/1) ... [2019-10-15 01:00:23,016 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:00:23,126 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:00:24,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:00:24,220 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:00:24,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:00:24,783 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:00:24,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24 WrapperNode [2019-10-15 01:00:24,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:00:24,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:00:24,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:00:24,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:00:24,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (1/1) ... [2019-10-15 01:00:24,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (1/1) ... [2019-10-15 01:00:24,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (1/1) ... [2019-10-15 01:00:24,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (1/1) ... [2019-10-15 01:00:25,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (1/1) ... [2019-10-15 01:00:25,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (1/1) ... [2019-10-15 01:00:25,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (1/1) ... [2019-10-15 01:00:25,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:00:25,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:00:25,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:00:25,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:00:25,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (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 [2019-10-15 01:00:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:00:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:00:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 01:00:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 01:00:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 01:00:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 01:00:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 01:00:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 01:00:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 01:00:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 01:00:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 01:00:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 01:00:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 01:00:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 01:00:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-15 01:00:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 01:00:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 01:00:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 01:00:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2019-10-15 01:00:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2019-10-15 01:00:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-15 01:00:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-15 01:00:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_block [2019-10-15 01:00:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_exit [2019-10-15 01:00:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_init [2019-10-15 01:00:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure add_tx_queue [2019-10-15 01:00:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2019-10-15 01:00:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_queue [2019-10-15 01:00:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_rx_queue [2019-10-15 01:00:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2019-10-15 01:00:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2019-10-15 01:00:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-10-15 01:00:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2019-10-15 01:00:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_block [2019-10-15 01:00:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2019-10-15 01:00:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_char [2019-10-15 01:00:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_error [2019-10-15 01:00:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure on_timeout [2019-10-15 01:00:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2019-10-15 01:00:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_signals [2019-10-15 01:00:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure read_telegram [2019-10-15 01:00:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2019-10-15 01:00:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2019-10-15 01:00:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2019-10-15 01:00:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_open [2019-10-15 01:00:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2019-10-15 01:00:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_read [2019-10-15 01:00:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_write [2019-10-15 01:00:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2019-10-15 01:00:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2019-10-15 01:00:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2019-10-15 01:00:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_receive_buf [2019-10-15 01:00:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-15 01:00:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-15 01:00:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-15 01:00:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-15 01:00:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-10-15 01:00:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-15 01:00:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-15 01:00:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-15 01:00:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:00:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 01:00:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 01:00:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-15 01:00:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-10-15 01:00:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-10-15 01:00:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2019-10-15 01:00:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26 [2019-10-15 01:00:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-10-15 01:00:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-10-15 01:00:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_29 [2019-10-15 01:00:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2019-10-15 01:00:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_31 [2019-10-15 01:00:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32 [2019-10-15 01:00:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33 [2019-10-15 01:00:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 01:00:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 01:00:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 01:00:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 01:00:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 01:00:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 01:00:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 01:00:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 01:00:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 01:00:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 01:00:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 01:00:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-15 01:00:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-15 01:00:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-15 01:00:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 01:00:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 01:00:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-15 01:00:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 01:00:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-15 01:00:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-15 01:00:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid [2019-10-15 01:00:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 01:00:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 01:00:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 01:00:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-15 01:00:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-15 01:00:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 01:00:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2019-10-15 01:00:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-15 01:00:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2019-10-15 01:00:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_put_char [2019-10-15 01:00:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-15 01:00:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2019-10-15 01:00:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-15 01:00:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_write_room [2019-10-15 01:00:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 01:00:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 01:00:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 01:00:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 01:00:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 01:00:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:00:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 01:00:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 01:00:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-15 01:00:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 01:00:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 01:00:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 01:00:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:00:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 01:00:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 01:00:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:00:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 01:00:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 01:00:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 01:00:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 01:00:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:00:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 01:00:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 01:00:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 01:00:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 01:00:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 01:00:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 01:00:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 01:00:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 01:00:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 01:00:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 01:00:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:00:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 01:00:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-15 01:00:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 01:00:25,239 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 01:00:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 01:00:25,240 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 01:00:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 01:00:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 01:00:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 01:00:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-15 01:00:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 01:00:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-15 01:00:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-15 01:00:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-15 01:00:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-10-15 01:00:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-10-15 01:00:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2019-10-15 01:00:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26 [2019-10-15 01:00:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-10-15 01:00:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_29 [2019-10-15 01:00:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2019-10-15 01:00:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_31 [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32 [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33 [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2019-10-15 01:00:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:00:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid [2019-10-15 01:00:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 01:00:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-15 01:00:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 01:00:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 01:00:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-15 01:00:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-15 01:00:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-15 01:00:25,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:00:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure tty_put_char [2019-10-15 01:00:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure tty_write_room [2019-10-15 01:00:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-15 01:00:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-15 01:00:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2019-10-15 01:00:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2019-10-15 01:00:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-15 01:00:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 01:00:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure add_tx_queue [2019-10-15 01:00:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2019-10-15 01:00:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2019-10-15 01:00:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-10-15 01:00:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2019-10-15 01:00:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_block [2019-10-15 01:00:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure receive_char [2019-10-15 01:00:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure receive_error [2019-10-15 01:00:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure on_timeout [2019-10-15 01:00:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure enable_signals [2019-10-15 01:00:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure read_telegram [2019-10-15 01:00:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2019-10-15 01:00:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2019-10-15 01:00:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2019-10-15 01:00:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_open [2019-10-15 01:00:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_read [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_write [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_receive_buf [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure dump_block [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:00:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:00:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:00:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_exit [2019-10-15 01:00:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_init [2019-10-15 01:00:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_queue [2019-10-15 01:00:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_rx_queue [2019-10-15 01:00:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2019-10-15 01:00:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 01:00:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2019-10-15 01:00:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 01:00:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2019-10-15 01:00:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 01:00:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 01:00:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:00:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 01:00:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 01:00:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 01:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 01:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 01:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 01:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 01:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 01:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 01:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 01:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-15 01:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 01:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 01:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 01:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 01:00:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 01:00:26,013 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 01:00:29,931 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:00:29,932 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 01:00:29,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:00:29 BoogieIcfgContainer [2019-10-15 01:00:29,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:00:29,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:00:29,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:00:29,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:00:29,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:00:22" (1/3) ... [2019-10-15 01:00:29,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a9c1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:00:29, skipping insertion in model container [2019-10-15 01:00:29,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:00:24" (2/3) ... [2019-10-15 01:00:29,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a9c1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:00:29, skipping insertion in model container [2019-10-15 01:00:29,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:00:29" (3/3) ... [2019-10-15 01:00:29,946 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-15 01:00:29,955 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:00:29,968 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:00:29,981 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:00:30,013 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:00:30,013 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:00:30,013 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:00:30,013 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:00:30,014 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:00:30,014 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:00:30,014 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:00:30,014 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:00:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states. [2019-10-15 01:00:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-15 01:00:30,066 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:00:30,067 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:00:30,069 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:00:30,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:00:30,075 INFO L82 PathProgramCache]: Analyzing trace with hash -278468049, now seen corresponding path program 1 times [2019-10-15 01:00:30,084 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:00:30,084 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15469046] [2019-10-15 01:00:30,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:30,085 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:30,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:00:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:00:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-15 01:00:30,725 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15469046] [2019-10-15 01:00:30,725 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:00:30,726 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:00:30,726 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978142643] [2019-10-15 01:00:30,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:00:30,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:00:30,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:00:30,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:00:30,750 INFO L87 Difference]: Start difference. First operand 960 states. Second operand 3 states. [2019-10-15 01:00:31,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:00:31,031 INFO L93 Difference]: Finished difference Result 2189 states and 3020 transitions. [2019-10-15 01:00:31,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:00:31,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-15 01:00:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:00:31,059 INFO L225 Difference]: With dead ends: 2189 [2019-10-15 01:00:31,060 INFO L226 Difference]: Without dead ends: 1247 [2019-10-15 01:00:31,070 INFO L600 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 [2019-10-15 01:00:31,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2019-10-15 01:00:31,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1244. [2019-10-15 01:00:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-10-15 01:00:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1686 transitions. [2019-10-15 01:00:31,263 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1686 transitions. Word has length 147 [2019-10-15 01:00:31,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:00:31,266 INFO L462 AbstractCegarLoop]: Abstraction has 1244 states and 1686 transitions. [2019-10-15 01:00:31,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:00:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1686 transitions. [2019-10-15 01:00:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 01:00:31,277 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:00:31,280 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:00:31,281 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:00:31,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:00:31,282 INFO L82 PathProgramCache]: Analyzing trace with hash 745025737, now seen corresponding path program 1 times [2019-10-15 01:00:31,282 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:00:31,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969153553] [2019-10-15 01:00:31,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:31,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:31,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:00:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:00:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-15 01:00:31,584 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969153553] [2019-10-15 01:00:31,585 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:00:31,585 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:00:31,585 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309728991] [2019-10-15 01:00:31,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:00:31,587 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:00:31,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:00:31,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:00:31,588 INFO L87 Difference]: Start difference. First operand 1244 states and 1686 transitions. Second operand 5 states. [2019-10-15 01:00:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:00:34,918 INFO L93 Difference]: Finished difference Result 5982 states and 8655 transitions. [2019-10-15 01:00:34,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:00:34,918 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2019-10-15 01:00:34,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:00:34,953 INFO L225 Difference]: With dead ends: 5982 [2019-10-15 01:00:34,953 INFO L226 Difference]: Without dead ends: 4791 [2019-10-15 01:00:34,961 INFO L600 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 [2019-10-15 01:00:34,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4791 states. [2019-10-15 01:00:35,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4791 to 4775. [2019-10-15 01:00:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4775 states. [2019-10-15 01:00:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4775 states to 4775 states and 6780 transitions. [2019-10-15 01:00:35,253 INFO L78 Accepts]: Start accepts. Automaton has 4775 states and 6780 transitions. Word has length 160 [2019-10-15 01:00:35,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:00:35,256 INFO L462 AbstractCegarLoop]: Abstraction has 4775 states and 6780 transitions. [2019-10-15 01:00:35,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:00:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4775 states and 6780 transitions. [2019-10-15 01:00:35,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-15 01:00:35,263 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:00:35,264 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:00:35,264 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:00:35,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:00:35,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2122377807, now seen corresponding path program 1 times [2019-10-15 01:00:35,265 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:00:35,265 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239343761] [2019-10-15 01:00:35,265 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:35,265 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:35,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:00:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:00:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-15 01:00:35,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239343761] [2019-10-15 01:00:35,568 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:00:35,568 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:00:35,568 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618122338] [2019-10-15 01:00:35,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:00:35,569 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:00:35,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:00:35,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:00:35,570 INFO L87 Difference]: Start difference. First operand 4775 states and 6780 transitions. Second operand 5 states. [2019-10-15 01:00:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:00:39,394 INFO L93 Difference]: Finished difference Result 23615 states and 36444 transitions. [2019-10-15 01:00:39,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:00:39,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2019-10-15 01:00:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:00:39,544 INFO L225 Difference]: With dead ends: 23615 [2019-10-15 01:00:39,544 INFO L226 Difference]: Without dead ends: 18893 [2019-10-15 01:00:39,580 INFO L600 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 [2019-10-15 01:00:39,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18893 states. [2019-10-15 01:00:40,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18893 to 18880. [2019-10-15 01:00:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18880 states. [2019-10-15 01:00:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18880 states to 18880 states and 28387 transitions. [2019-10-15 01:00:41,405 INFO L78 Accepts]: Start accepts. Automaton has 18880 states and 28387 transitions. Word has length 161 [2019-10-15 01:00:41,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:00:41,406 INFO L462 AbstractCegarLoop]: Abstraction has 18880 states and 28387 transitions. [2019-10-15 01:00:41,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:00:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 18880 states and 28387 transitions. [2019-10-15 01:00:41,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-15 01:00:41,409 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:00:41,409 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:00:41,410 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:00:41,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:00:41,410 INFO L82 PathProgramCache]: Analyzing trace with hash -248844911, now seen corresponding path program 1 times [2019-10-15 01:00:41,410 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:00:41,411 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669739022] [2019-10-15 01:00:41,411 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:41,411 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:41,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:00:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:00:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-15 01:00:41,643 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669739022] [2019-10-15 01:00:41,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:00:41,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:00:41,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827423318] [2019-10-15 01:00:41,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:00:41,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:00:41,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:00:41,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:00:41,646 INFO L87 Difference]: Start difference. First operand 18880 states and 28387 transitions. Second operand 5 states. [2019-10-15 01:00:46,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:00:46,039 INFO L93 Difference]: Finished difference Result 94068 states and 157885 transitions. [2019-10-15 01:00:46,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:00:46,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2019-10-15 01:00:46,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:00:46,589 INFO L225 Difference]: With dead ends: 94068 [2019-10-15 01:00:46,589 INFO L226 Difference]: Without dead ends: 75241 [2019-10-15 01:00:46,752 INFO L600 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 [2019-10-15 01:00:48,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75241 states. [2019-10-15 01:00:50,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75241 to 75224. [2019-10-15 01:00:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75224 states. [2019-10-15 01:00:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75224 states to 75224 states and 121873 transitions. [2019-10-15 01:00:50,898 INFO L78 Accepts]: Start accepts. Automaton has 75224 states and 121873 transitions. Word has length 162 [2019-10-15 01:00:50,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:00:50,899 INFO L462 AbstractCegarLoop]: Abstraction has 75224 states and 121873 transitions. [2019-10-15 01:00:50,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:00:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 75224 states and 121873 transitions. [2019-10-15 01:00:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-15 01:00:50,901 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:00:50,902 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:00:50,902 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:00:50,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:00:50,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1730137735, now seen corresponding path program 1 times [2019-10-15 01:00:50,902 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:00:50,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004619737] [2019-10-15 01:00:50,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:50,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:00:50,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:00:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:00:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-15 01:00:51,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004619737] [2019-10-15 01:00:51,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:00:51,048 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:00:51,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637341890] [2019-10-15 01:00:51,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:00:51,049 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:00:51,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:00:51,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:00:51,050 INFO L87 Difference]: Start difference. First operand 75224 states and 121873 transitions. Second operand 5 states.