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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:20:35,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:20:35,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:20:35,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:20:35,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:20:35,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:20:35,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:20:35,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:20:35,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:20:35,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:20:35,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:20:35,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:20:35,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:20:35,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:20:35,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:20:35,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:20:35,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:20:35,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:20:35,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:20:35,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:20:35,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:20:35,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:20:35,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:20:35,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:20:35,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:20:35,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:20:35,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:20:35,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:20:35,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:20:35,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:20:35,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:20:35,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:20:35,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:20:35,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:20:35,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:20:35,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:20:35,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:20:35,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:20:35,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:20:35,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:20:35,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:20:35,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:20:35,500 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:20:35,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:20:35,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:20:35,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:20:35,503 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:20:35,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:20:35,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:20:35,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:20:35,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:20:35,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:20:35,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:20:35,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:20:35,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:20:35,506 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:20:35,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:20:35,507 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:20:35,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:20:35,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:20:35,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:20:35,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:20:35,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:20:35,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:20:35,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:20:35,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:20:35,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:20:35,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:20:35,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:20:35,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:20:35,510 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 [2019-10-13 20:20:35,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:20:35,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:20:35,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:20:35,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:20:35,869 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:20:35,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-10-13 20:20:35,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe82d926c/b70142d0a9aa497ab698f929268c897f/FLAG183a9b11e [2019-10-13 20:20:36,861 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:20:36,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-10-13 20:20:36,912 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe82d926c/b70142d0a9aa497ab698f929268c897f/FLAG183a9b11e [2019-10-13 20:20:37,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe82d926c/b70142d0a9aa497ab698f929268c897f [2019-10-13 20:20:37,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:20:37,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:20:37,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:20:37,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:20:37,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:20:37,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:20:37" (1/1) ... [2019-10-13 20:20:37,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba22025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:37, skipping insertion in model container [2019-10-13 20:20:37,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:20:37" (1/1) ... [2019-10-13 20:20:37,323 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:20:37,448 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:20:39,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:20:39,624 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:20:40,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:20:40,401 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:20:40,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40 WrapperNode [2019-10-13 20:20:40,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:20:40,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:20:40,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:20:40,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:20:40,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (1/1) ... [2019-10-13 20:20:40,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (1/1) ... [2019-10-13 20:20:40,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (1/1) ... [2019-10-13 20:20:40,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (1/1) ... [2019-10-13 20:20:40,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (1/1) ... [2019-10-13 20:20:40,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (1/1) ... [2019-10-13 20:20:40,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (1/1) ... [2019-10-13 20:20:40,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:20:40,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:20:40,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:20:40,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:20:40,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:20:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:20:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:20:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:20:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 20:20:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 20:20:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 20:20:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:20:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 20:20:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-13 20:20:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 20:20:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-13 20:20:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:20:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 20:20:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:20:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 20:20:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 20:20:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 20:20:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 20:20:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:20:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 20:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-10-13 20:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test_channelmap [2019-10-13 20:20:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-10-13 20:20:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:20:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:20:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:20:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:20:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:20:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-13 20:20:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 20:20:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 20:20:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 20:20:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-10-13 20:20:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-10-13 20:20:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-10-13 20:20:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_send [2019-10-13 20:20:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_recv [2019-10-13 20:20:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_parse [2019-10-13 20:20:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_thread [2019-10-13 20:20:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_close [2019-10-13 20:20:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_open [2019-10-13 20:20:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_send_bh [2019-10-13 20:20:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_keepalive [2019-10-13 20:20:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_timeout [2019-10-13 20:20:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_dmsg [2019-10-13 20:20:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_dctrl [2019-10-13 20:20:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-10-13 20:20:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-10-13 20:20:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_dctrl [2019-10-13 20:20:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmsg [2019-10-13 20:20:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-10-13 20:20:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_bctrl [2019-10-13 20:20:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-10-13 20:20:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_cleanup [2019-10-13 20:20:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-10-13 20:20:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_init [2019-10-13 20:20:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:20:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:20:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 20:20:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 20:20:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 20:20:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:20:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:20:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:20:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_law_to_4bit [2019-10-13 20:20:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_to_law [2019-10-13 20:20:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_alaw_to_ulaw [2019-10-13 20:20:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_ulaw_to_alaw [2019-10-13 20:20:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_free [2019-10-13 20:20:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_alloc [2019-10-13 20:20:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-13 20:20:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 20:20:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 20:20:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-13 20:20:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 20:20:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-13 20:20:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 20:20:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:20:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:20:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:20:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:20:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:20:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:20:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:20:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:20:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:20:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:20:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:20:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:20:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:20:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:20:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:20:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:20:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:20:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:20:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:20:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-10-13 20:20:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 20:20:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 20:20:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:20:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:20:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:20:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:20:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 20:20:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_signal [2019-10-13 20:20:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 20:20:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 20:20:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 20:20:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 20:20:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 20:20:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_recvmsg [2019-10-13 20:20:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2019-10-13 20:20:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-10-13 20:20:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:20:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 20:20:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-10-13 20:20:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-10-13 20:20:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-10-13 20:20:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-10-13 20:20:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-10-13 20:20:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-10-13 20:20:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure memchr_inv [2019-10-13 20:20:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-13 20:20:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:20:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:20:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:20:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:20:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-10-13 20:20:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-10-13 20:20:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 20:20:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 20:20:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure send_sig [2019-10-13 20:20:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 20:20:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-13 20:20:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_create [2019-10-13 20:20:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2019-10-13 20:20:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-13 20:20:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-13 20:20:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-10-13 20:20:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-13 20:20:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-10-13 20:20:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:20:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:20:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:20:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:20:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:20:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:20:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 20:20:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 20:20:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:20:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:20:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 20:20:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-13 20:20:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 20:20:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-13 20:20:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:20:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:20:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:20:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:20:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:20:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 20:20:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:20:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:20:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:20:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 20:20:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 20:20:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure memchr_inv [2019-10-13 20:20:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 20:20:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 20:20:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 20:20:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:20:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 20:20:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:20:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 20:20:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:20:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:20:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:20:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:20:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 20:20:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:20:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:20:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:20:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:20:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:20:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:20:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:20:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 20:20:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:20:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:20:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:20:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:20:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:20:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:20:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 20:20:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 20:20:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:20:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:20:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-13 20:20:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 20:20:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 20:20:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-10-13 20:20:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 20:20:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 20:20:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 20:20:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 20:20:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 20:20:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-13 20:20:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-13 20:20:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure test_channelmap [2019-10-13 20:20:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-10-13 20:20:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure sock_create [2019-10-13 20:20:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2019-10-13 20:20:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2019-10-13 20:20:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_recvmsg [2019-10-13 20:20:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:20:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:20:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:20:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:20:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:20:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:20:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:20:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:20:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:20:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 20:20:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-10-13 20:20:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-13 20:20:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 20:20:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 20:20:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-13 20:20:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 20:20:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-10-13 20:20:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure send_sig [2019-10-13 20:20:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure allow_signal [2019-10-13 20:20:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 20:20:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 20:20:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-10-13 20:20:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:20:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-10-13 20:20:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:20:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-10-13 20:20:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:20:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-10-13 20:20:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-10-13 20:20:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-10-13 20:20:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-10-13 20:20:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-10-13 20:20:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-10-13 20:20:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-10-13 20:20:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-10-13 20:20:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-10-13 20:20:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_law_to_4bit [2019-10-13 20:20:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_to_law [2019-10-13 20:20:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_alaw_to_ulaw [2019-10-13 20:20:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_ulaw_to_alaw [2019-10-13 20:20:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_free [2019-10-13 20:20:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_alloc [2019-10-13 20:20:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_send [2019-10-13 20:20:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_recv [2019-10-13 20:20:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_parse [2019-10-13 20:20:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_thread [2019-10-13 20:20:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 20:20:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_close [2019-10-13 20:20:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_open [2019-10-13 20:20:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_send_bh [2019-10-13 20:20:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_keepalive [2019-10-13 20:20:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_timeout [2019-10-13 20:20:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure handle_dmsg [2019-10-13 20:20:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure channel_dctrl [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_dctrl [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmsg [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_bctrl [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_cleanup [2019-10-13 20:20:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_init [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 20:20:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-13 20:20:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 20:20:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-13 20:20:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-10-13 20:20:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-13 20:20:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:20:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:20:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 20:20:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:20:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:20:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:20:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 20:20:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 20:20:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:20:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:20:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:20:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:20:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:20:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:20:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:20:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:20:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:20:40,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:20:56,444 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:20:56,444 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:20:56,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:20:56 BoogieIcfgContainer [2019-10-13 20:20:56,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:20:56,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:20:56,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:20:56,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:20:56,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:20:37" (1/3) ... [2019-10-13 20:20:56,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea4d6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:20:56, skipping insertion in model container [2019-10-13 20:20:56,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:20:40" (2/3) ... [2019-10-13 20:20:56,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea4d6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:20:56, skipping insertion in model container [2019-10-13 20:20:56,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:20:56" (3/3) ... [2019-10-13 20:20:56,455 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-10-13 20:20:56,465 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:20:56,477 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:20:56,489 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:20:56,525 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:20:56,525 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:20:56,525 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:20:56,525 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:20:56,526 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:20:56,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:20:56,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:20:56,526 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:20:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states. [2019-10-13 20:20:56,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-13 20:20:56,583 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:20:56,585 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:20:56,587 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:20:56,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:20:56,592 INFO L82 PathProgramCache]: Analyzing trace with hash -842118964, now seen corresponding path program 1 times [2019-10-13 20:20:56,600 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:20:56,600 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388540378] [2019-10-13 20:20:56,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:56,601 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:20:56,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:20:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:20:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:20:57,722 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388540378] [2019-10-13 20:20:57,723 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:20:57,723 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:20:57,724 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175935526] [2019-10-13 20:20:57,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:20:57,731 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:20:57,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:20:57,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:20:57,749 INFO L87 Difference]: Start difference. First operand 1076 states. Second operand 3 states. [2019-10-13 20:21:00,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:00,744 INFO L93 Difference]: Finished difference Result 1754 states and 2266 transitions. [2019-10-13 20:21:00,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:00,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-10-13 20:21:00,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:00,789 INFO L225 Difference]: With dead ends: 1754 [2019-10-13 20:21:00,789 INFO L226 Difference]: Without dead ends: 1071 [2019-10-13 20:21:00,800 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 [2019-10-13 20:21:00,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2019-10-13 20:21:00,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1071. [2019-10-13 20:21:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1071 states. [2019-10-13 20:21:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1378 transitions. [2019-10-13 20:21:00,999 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1378 transitions. Word has length 32 [2019-10-13 20:21:01,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:01,000 INFO L462 AbstractCegarLoop]: Abstraction has 1071 states and 1378 transitions. [2019-10-13 20:21:01,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:01,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1378 transitions. [2019-10-13 20:21:01,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-13 20:21:01,003 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:01,003 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:01,003 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:01,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:01,004 INFO L82 PathProgramCache]: Analyzing trace with hash -493414417, now seen corresponding path program 1 times [2019-10-13 20:21:01,004 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:01,004 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107417260] [2019-10-13 20:21:01,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:01,005 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:01,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:01,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107417260] [2019-10-13 20:21:01,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:01,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:21:01,437 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223501560] [2019-10-13 20:21:01,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:21:01,439 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:01,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:21:01,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:21:01,440 INFO L87 Difference]: Start difference. First operand 1071 states and 1378 transitions. Second operand 5 states. [2019-10-13 20:21:01,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:01,514 INFO L93 Difference]: Finished difference Result 2137 states and 2753 transitions. [2019-10-13 20:21:01,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:21:01,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2019-10-13 20:21:01,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:01,521 INFO L225 Difference]: With dead ends: 2137 [2019-10-13 20:21:01,522 INFO L226 Difference]: Without dead ends: 1077 [2019-10-13 20:21:01,526 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:21:01,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2019-10-13 20:21:01,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1075. [2019-10-13 20:21:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2019-10-13 20:21:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1382 transitions. [2019-10-13 20:21:01,574 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1382 transitions. Word has length 48 [2019-10-13 20:21:01,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:01,575 INFO L462 AbstractCegarLoop]: Abstraction has 1075 states and 1382 transitions. [2019-10-13 20:21:01,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:21:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1382 transitions. [2019-10-13 20:21:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 20:21:01,577 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:01,578 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:01,578 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:01,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:01,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1793208393, now seen corresponding path program 1 times [2019-10-13 20:21:01,578 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:01,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236470402] [2019-10-13 20:21:01,579 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:01,579 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:01,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:01,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236470402] [2019-10-13 20:21:01,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:01,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:21:01,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135827219] [2019-10-13 20:21:01,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:21:01,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:01,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:21:01,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:21:01,940 INFO L87 Difference]: Start difference. First operand 1075 states and 1382 transitions. Second operand 5 states. [2019-10-13 20:21:02,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:02,846 INFO L93 Difference]: Finished difference Result 2152 states and 2768 transitions. [2019-10-13 20:21:02,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:21:02,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-10-13 20:21:02,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:02,854 INFO L225 Difference]: With dead ends: 2152 [2019-10-13 20:21:02,854 INFO L226 Difference]: Without dead ends: 1088 [2019-10-13 20:21:02,858 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:21:02,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2019-10-13 20:21:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 1079. [2019-10-13 20:21:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2019-10-13 20:21:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1385 transitions. [2019-10-13 20:21:02,902 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1385 transitions. Word has length 52 [2019-10-13 20:21:02,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:02,903 INFO L462 AbstractCegarLoop]: Abstraction has 1079 states and 1385 transitions. [2019-10-13 20:21:02,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:21:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1385 transitions. [2019-10-13 20:21:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-13 20:21:02,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:02,906 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:02,907 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:02,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1819694223, now seen corresponding path program 1 times [2019-10-13 20:21:02,907 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:02,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093519001] [2019-10-13 20:21:02,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:02,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:02,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:03,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:03,294 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093519001] [2019-10-13 20:21:03,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:03,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:03,294 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992703054] [2019-10-13 20:21:03,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:03,295 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:03,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:03,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:03,296 INFO L87 Difference]: Start difference. First operand 1079 states and 1385 transitions. Second operand 3 states. [2019-10-13 20:21:06,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:06,017 INFO L93 Difference]: Finished difference Result 1081 states and 1386 transitions. [2019-10-13 20:21:06,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:06,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-10-13 20:21:06,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:06,023 INFO L225 Difference]: With dead ends: 1081 [2019-10-13 20:21:06,023 INFO L226 Difference]: Without dead ends: 1078 [2019-10-13 20:21:06,024 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 [2019-10-13 20:21:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2019-10-13 20:21:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1078. [2019-10-13 20:21:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2019-10-13 20:21:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1383 transitions. [2019-10-13 20:21:06,070 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1383 transitions. Word has length 69 [2019-10-13 20:21:06,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:06,071 INFO L462 AbstractCegarLoop]: Abstraction has 1078 states and 1383 transitions. [2019-10-13 20:21:06,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1383 transitions. [2019-10-13 20:21:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 20:21:06,073 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:06,073 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:06,073 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:06,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:06,074 INFO L82 PathProgramCache]: Analyzing trace with hash -576531014, now seen corresponding path program 1 times [2019-10-13 20:21:06,074 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:06,074 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774816729] [2019-10-13 20:21:06,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:06,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:06,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:06,385 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774816729] [2019-10-13 20:21:06,386 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:06,386 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:06,386 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396309668] [2019-10-13 20:21:06,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:06,387 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:06,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:06,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:06,388 INFO L87 Difference]: Start difference. First operand 1078 states and 1383 transitions. Second operand 3 states. [2019-10-13 20:21:09,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:09,341 INFO L93 Difference]: Finished difference Result 1080 states and 1384 transitions. [2019-10-13 20:21:09,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:09,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-10-13 20:21:09,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:09,348 INFO L225 Difference]: With dead ends: 1080 [2019-10-13 20:21:09,348 INFO L226 Difference]: Without dead ends: 1077 [2019-10-13 20:21:09,349 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 [2019-10-13 20:21:09,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2019-10-13 20:21:09,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1077. [2019-10-13 20:21:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2019-10-13 20:21:09,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1381 transitions. [2019-10-13 20:21:09,395 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1381 transitions. Word has length 70 [2019-10-13 20:21:09,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:09,396 INFO L462 AbstractCegarLoop]: Abstraction has 1077 states and 1381 transitions. [2019-10-13 20:21:09,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1381 transitions. [2019-10-13 20:21:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-13 20:21:09,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:21:09,398 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:21:09,398 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:21:09,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:21:09,398 INFO L82 PathProgramCache]: Analyzing trace with hash -693172332, now seen corresponding path program 1 times [2019-10-13 20:21:09,399 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:21:09,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649826486] [2019-10-13 20:21:09,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:21:09,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:21:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:21:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:21:09,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649826486] [2019-10-13 20:21:09,889 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:21:09,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:21:09,890 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764416907] [2019-10-13 20:21:09,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:21:09,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:21:09,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:21:09,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:21:09,892 INFO L87 Difference]: Start difference. First operand 1077 states and 1381 transitions. Second operand 3 states. [2019-10-13 20:21:12,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:21:12,456 INFO L93 Difference]: Finished difference Result 1077 states and 1381 transitions. [2019-10-13 20:21:12,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:21:12,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2019-10-13 20:21:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:21:12,721 INFO L225 Difference]: With dead ends: 1077 [2019-10-13 20:21:12,721 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 20:21:12,724 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 [2019-10-13 20:21:12,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 20:21:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 20:21:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 20:21:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 20:21:12,725 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2019-10-13 20:21:12,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:21:12,726 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 20:21:12,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:21:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 20:21:12,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 20:21:12,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.