java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 19:47:42,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 19:47:42,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 19:47:42,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 19:47:42,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 19:47:42,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 19:47:42,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 19:47:42,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 19:47:42,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 19:47:42,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 19:47:42,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 19:47:42,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 19:47:42,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 19:47:42,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 19:47:42,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 19:47:42,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 19:47:42,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 19:47:42,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 19:47:42,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 19:47:42,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 19:47:42,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 19:47:42,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 19:47:42,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 19:47:42,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 19:47:42,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 19:47:42,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 19:47:42,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 19:47:42,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 19:47:42,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 19:47:42,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 19:47:42,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 19:47:42,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 19:47:42,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 19:47:42,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 19:47:42,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 19:47:42,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 19:47:42,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 19:47:42,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 19:47:42,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 19:47:42,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 19:47:42,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 19:47:42,543 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 [2019-09-08 19:47:42,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 19:47:42,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 19:47:42,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 19:47:42,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 19:47:42,564 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 19:47:42,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 19:47:42,565 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 19:47:42,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 19:47:42,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 19:47:42,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 19:47:42,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 19:47:42,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 19:47:42,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 19:47:42,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 19:47:42,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 19:47:42,567 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 19:47:42,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 19:47:42,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 19:47:42,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 19:47:42,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 19:47:42,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 19:47:42,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 19:47:42,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 19:47:42,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 19:47:42,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 19:47:42,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 19:47:42,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 19:47:42,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 19:47:42,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 19:47:42,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 19:47:42,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 19:47:42,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 19:47:42,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 19:47:42,631 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 19:47:42,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-09-08 19:47:42,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcfad475/d964e9a04ea04dee8e9a7c520875b008/FLAGb473715a4 [2019-09-08 19:47:43,615 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 19:47:43,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-09-08 19:47:43,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcfad475/d964e9a04ea04dee8e9a7c520875b008/FLAGb473715a4 [2019-09-08 19:47:44,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dcfad475/d964e9a04ea04dee8e9a7c520875b008 [2019-09-08 19:47:44,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 19:47:44,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 19:47:44,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 19:47:44,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 19:47:44,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 19:47:44,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 07:47:44" (1/1) ... [2019-09-08 19:47:44,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fbe1c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:44, skipping insertion in model container [2019-09-08 19:47:44,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 07:47:44" (1/1) ... [2019-09-08 19:47:44,083 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 19:47:44,246 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 19:47:46,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 19:47:46,986 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 19:47:47,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 19:47:47,749 INFO L192 MainTranslator]: Completed translation [2019-09-08 19:47:47,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47 WrapperNode [2019-09-08 19:47:47,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 19:47:47,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 19:47:47,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 19:47:47,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 19:47:47,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (1/1) ... [2019-09-08 19:47:47,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (1/1) ... [2019-09-08 19:47:47,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (1/1) ... [2019-09-08 19:47:47,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (1/1) ... [2019-09-08 19:47:48,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (1/1) ... [2019-09-08 19:47:48,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (1/1) ... [2019-09-08 19:47:48,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (1/1) ... [2019-09-08 19:47:48,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 19:47:48,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 19:47:48,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 19:47:48,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 19:47:48,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (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 [2019-09-08 19:47:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 19:47:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 19:47:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 19:47:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-08 19:47:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 19:47:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 19:47:48,201 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 19:47:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 19:47:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 19:47:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-08 19:47:48,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-08 19:47:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 19:47:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 19:47:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 19:47:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 19:47:48,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 19:47:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-08 19:47:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 19:47:48,204 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 19:47:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-09-08 19:47:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-09-08 19:47:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-08 19:47:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 19:47:48,206 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-08 19:47:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-08 19:47:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-08 19:47:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2019-09-08 19:47:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2019-09-08 19:47:48,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 19:47:48,208 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-08 19:47:48,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 19:47:48,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 19:47:48,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 19:47:48,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-08 19:47:48,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-08 19:47:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-09-08 19:47:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-09-08 19:47:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-08 19:47:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-09-08 19:47:48,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-09-08 19:47:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-09-08 19:47:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2019-09-08 19:47:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug [2019-09-08 19:47:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2019-09-08 19:47:48,210 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2019-09-08 19:47:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2019-09-08 19:47:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2019-09-08 19:47:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_hwirq [2019-09-08 19:47:48,211 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2019-09-08 19:47:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692Version [2019-09-08 19:47:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2019-09-08 19:47:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2019-09-08 19:47:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_new_ph [2019-09-08 19:47:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_ph_bh [2019-09-08 19:47:48,212 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2019-09-08 19:47:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2019-09-08 19:47:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure d_retransmit [2019-09-08 19:47:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rxD [2019-09-08 19:47:48,213 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_txD [2019-09-08 19:47:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_statusD [2019-09-08 19:47:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2019-09-08 19:47:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2019-09-08 19:47:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pots [2019-09-08 19:47:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2019-09-08 19:47:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2019-09-08 19:47:48,214 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2019-09-08 19:47:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_irq [2019-09-08 19:47:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dbusy_timer_handler [2019-09-08 19:47:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure initW6692 [2019-09-08 19:47:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_w6692 [2019-09-08 19:47:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-09-08 19:47:48,215 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1B [2019-09-08 19:47:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-09-08 19:47:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-09-08 19:47:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2019-09-08 19:47:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_bctrl [2019-09-08 19:47:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1D [2019-09-08 19:47:48,216 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l1callback [2019-09-08 19:47:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-09-08 19:47:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_dctrl [2019-09-08 19:47:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_w6692 [2019-09-08 19:47:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-09-08 19:47:48,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2019-09-08 19:47:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2019-09-08 19:47:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_remove_pci [2019-09-08 19:47:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_init [2019-09-08 19:47:48,218 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_cleanup [2019-09-08 19:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2019-09-08 19:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_kernel_param_ops_5 [2019-09-08 19:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-09-08 19:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-09-08 19:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-09-08 19:47:48,219 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2019-09-08 19:47:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-09-08 19:47:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-08 19:47:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-08 19:47:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-08 19:47:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-08 19:47:48,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2019-09-08 19:47:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2019-09-08 19:47:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2019-09-08 19:47:48,221 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-08 19:47:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 19:47:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 19:47:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 19:47:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 19:47:48,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-09-08 19:47:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 19:47:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-09-08 19:47:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-09-08 19:47:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-09-08 19:47:48,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-09-08 19:47:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-09-08 19:47:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-09-08 19:47:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-09-08 19:47:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-09-08 19:47:48,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-09-08 19:47:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-09-08 19:47:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_37 [2019-09-08 19:47:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_38 [2019-09-08 19:47:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_39 [2019-09-08 19:47:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_40 [2019-09-08 19:47:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-09-08 19:47:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2019-09-08 19:47:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-09-08 19:47:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-09-08 19:47:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2019-09-08 19:47:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2019-09-08 19:47:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 19:47:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 19:47:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 19:47:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 19:47:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 19:47:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 19:47:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 19:47:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-08 19:47:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-08 19:47:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-08 19:47:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-08 19:47:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 19:47:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-08 19:47:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 19:47:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-08 19:47:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 19:47:48,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-08 19:47:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-08 19:47:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-09-08 19:47:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-09-08 19:47:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 19:47:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 19:47:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 19:47:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2019-09-08 19:47:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2019-09-08 19:47:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-09-08 19:47:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2019-09-08 19:47:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2019-09-08 19:47:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-08 19:47:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-08 19:47:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2019-09-08 19:47:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2019-09-08 19:47:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-08 19:47:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 19:47:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2019-09-08 19:47:48,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2019-09-08 19:47:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2019-09-08 19:47:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 19:47:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 19:47:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2019-09-08 19:47:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-08 19:47:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-08 19:47:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2019-09-08 19:47:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2019-09-08 19:47:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-09-08 19:47:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-09-08 19:47:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-09-08 19:47:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-09-08 19:47:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-09-08 19:47:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-09-08 19:47:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-09-08 19:47:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-09-08 19:47:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_uint [2019-09-08 19:47:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_uint [2019-09-08 19:47:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-08 19:47:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-08 19:47:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-08 19:47:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-09-08 19:47:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 19:47:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-09-08 19:47:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 19:47:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2019-09-08 19:47:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-09-08 19:47:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-08 19:47:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 19:47:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-09-08 19:47:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-08 19:47:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-09-08 19:47:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 19:47:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 19:47:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 19:47:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 19:47:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 19:47:48,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 19:47:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 19:47:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2019-09-08 19:47:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 19:47:48,305 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 19:47:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 19:47:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 19:47:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 19:47:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 19:47:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-08 19:47:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-09-08 19:47:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 19:47:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-08 19:47:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-08 19:47:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 19:47:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 19:47:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 19:47:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 19:47:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 19:47:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 19:47:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 19:47:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 19:47:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 19:47:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 19:47:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 19:47:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-08 19:47:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-08 19:47:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 19:47:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 19:47:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 19:47:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 19:47:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 19:47:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 19:47:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-08 19:47:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 19:47:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 19:47:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-08 19:47:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 19:47:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 19:47:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 19:47:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 19:47:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 19:47:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-09-08 19:47:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2019-09-08 19:47:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-09-08 19:47:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2019-09-08 19:47:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 19:47:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-09-08 19:47:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 19:47:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-09-08 19:47:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 19:47:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-08 19:47:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 19:47:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-08 19:47:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_37 [2019-09-08 19:47:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_38 [2019-09-08 19:47:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_39 [2019-09-08 19:47:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2019-09-08 19:47:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-09-08 19:47:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 19:47:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-08 19:47:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 19:47:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-08 19:47:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-08 19:47:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-08 19:47:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-08 19:47:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-08 19:47:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2019-09-08 19:47:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2019-09-08 19:47:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 19:47:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_uint [2019-09-08 19:47:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_uint [2019-09-08 19:47:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-09-08 19:47:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-09-08 19:47:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 19:47:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-09-08 19:47:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 19:47:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 19:47:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2019-09-08 19:47:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_kernel_param_ops_5 [2019-09-08 19:47:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-09-08 19:47:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-09-08 19:47:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-09-08 19:47:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2019-09-08 19:47:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-09-08 19:47:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-08 19:47:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-08 19:47:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-08 19:47:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-08 19:47:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2019-09-08 19:47:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2019-09-08 19:47:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2019-09-08 19:47:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-08 19:47:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-08 19:47:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-08 19:47:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_40 [2019-09-08 19:47:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 19:47:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-09-08 19:47:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-09-08 19:47:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-09-08 19:47:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 19:47:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 19:47:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 19:47:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 19:47:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-08 19:47:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-08 19:47:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-08 19:47:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2019-09-08 19:47:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-08 19:47:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2019-09-08 19:47:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-08 19:47:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-08 19:47:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-09-08 19:47:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 19:47:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-09-08 19:47:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-09-08 19:47:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 19:47:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-08 19:47:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-09-08 19:47:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-09-08 19:47:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-09-08 19:47:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-09-08 19:47:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-09-08 19:47:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-09-08 19:47:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-09-08 19:47:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 19:47:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-08 19:47:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-08 19:47:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-09-08 19:47:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-09-08 19:47:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-09-08 19:47:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-09-08 19:47:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-09-08 19:47:48,327 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-09-08 19:47:48,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 19:47:48,327 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-09-08 19:47:48,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 19:47:48,328 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-09-08 19:47:48,328 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-09-08 19:47:48,328 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2019-09-08 19:47:48,328 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2019-09-08 19:47:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-09-08 19:47:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-09-08 19:47:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-09-08 19:47:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2019-09-08 19:47:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-09-08 19:47:48,329 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2019-09-08 19:47:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-09-08 19:47:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2019-09-08 19:47:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2019-09-08 19:47:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2019-09-08 19:47:48,330 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-09-08 19:47:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2019-09-08 19:47:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2019-09-08 19:47:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2019-09-08 19:47:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2019-09-08 19:47:48,331 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug [2019-09-08 19:47:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2019-09-08 19:47:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2019-09-08 19:47:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2019-09-08 19:47:48,332 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2019-09-08 19:47:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure enable_hwirq [2019-09-08 19:47:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2019-09-08 19:47:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure W6692Version [2019-09-08 19:47:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2019-09-08 19:47:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2019-09-08 19:47:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 19:47:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_new_ph [2019-09-08 19:47:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_ph_bh [2019-09-08 19:47:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2019-09-08 19:47:48,334 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2019-09-08 19:47:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure d_retransmit [2019-09-08 19:47:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rxD [2019-09-08 19:47:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure handle_txD [2019-09-08 19:47:48,335 INFO L130 BoogieDeclarations]: Found specification of procedure handle_statusD [2019-09-08 19:47:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2019-09-08 19:47:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2019-09-08 19:47:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pots [2019-09-08 19:47:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2019-09-08 19:47:48,336 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2019-09-08 19:47:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2019-09-08 19:47:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_irq [2019-09-08 19:47:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure dbusy_timer_handler [2019-09-08 19:47:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure initW6692 [2019-09-08 19:47:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure reset_w6692 [2019-09-08 19:47:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-09-08 19:47:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1B [2019-09-08 19:47:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-09-08 19:47:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-09-08 19:47:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2019-09-08 19:47:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_bctrl [2019-09-08 19:47:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1D [2019-09-08 19:47:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l1callback [2019-09-08 19:47:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-09-08 19:47:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_dctrl [2019-09-08 19:47:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_w6692 [2019-09-08 19:47:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-09-08 19:47:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2019-09-08 19:47:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2019-09-08 19:47:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_remove_pci [2019-09-08 19:47:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_init [2019-09-08 19:47:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_cleanup [2019-09-08 19:47:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 19:47:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 19:47:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2019-09-08 19:47:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-08 19:47:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 19:47:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 19:47:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 19:47:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 19:47:48,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 19:47:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 19:47:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-08 19:47:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 19:47:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-08 19:47:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-08 19:47:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 19:47:48,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 19:47:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 19:47:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 19:47:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 19:47:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 19:47:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 19:47:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 19:47:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 19:47:48,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 19:47:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 19:47:49,684 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 19:48:05,271 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 19:48:05,271 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 19:48:05,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 07:48:05 BoogieIcfgContainer [2019-09-08 19:48:05,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 19:48:05,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 19:48:05,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 19:48:05,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 19:48:05,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 07:47:44" (1/3) ... [2019-09-08 19:48:05,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d334f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 07:48:05, skipping insertion in model container [2019-09-08 19:48:05,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:47:47" (2/3) ... [2019-09-08 19:48:05,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d334f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 07:48:05, skipping insertion in model container [2019-09-08 19:48:05,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 07:48:05" (3/3) ... [2019-09-08 19:48:05,284 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-09-08 19:48:05,293 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 19:48:05,305 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 19:48:05,321 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 19:48:05,363 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 19:48:05,364 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 19:48:05,364 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 19:48:05,364 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 19:48:05,365 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 19:48:05,365 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 19:48:05,365 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 19:48:05,365 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 19:48:05,365 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 19:48:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states. [2019-09-08 19:48:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-08 19:48:05,433 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:48:05,434 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:48:05,436 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:48:05,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:48:05,442 INFO L82 PathProgramCache]: Analyzing trace with hash 953511132, now seen corresponding path program 1 times [2019-09-08 19:48:05,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:48:05,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:48:05,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:05,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:05,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-08 19:48:06,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:48:06,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:48:06,519 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:48:06,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:48:06,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:48:06,562 INFO L87 Difference]: Start difference. First operand 1660 states. Second operand 3 states. [2019-09-08 19:48:08,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:48:08,204 INFO L93 Difference]: Finished difference Result 3318 states and 4469 transitions. [2019-09-08 19:48:08,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:48:08,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-09-08 19:48:08,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:48:08,245 INFO L225 Difference]: With dead ends: 3318 [2019-09-08 19:48:08,246 INFO L226 Difference]: Without dead ends: 1998 [2019-09-08 19:48:08,262 INFO L628 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 [2019-09-08 19:48:08,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2019-09-08 19:48:08,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1986. [2019-09-08 19:48:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2019-09-08 19:48:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2671 transitions. [2019-09-08 19:48:08,512 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2671 transitions. Word has length 54 [2019-09-08 19:48:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:48:08,512 INFO L475 AbstractCegarLoop]: Abstraction has 1986 states and 2671 transitions. [2019-09-08 19:48:08,512 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:48:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2671 transitions. [2019-09-08 19:48:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-08 19:48:08,519 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:48:08,520 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:48:08,520 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:48:08,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:48:08,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1836427751, now seen corresponding path program 1 times [2019-09-08 19:48:08,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:48:08,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:48:08,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:08,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:08,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:08,891 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-08 19:48:08,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:48:08,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:48:08,893 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:48:08,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:48:08,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:48:08,894 INFO L87 Difference]: Start difference. First operand 1986 states and 2671 transitions. Second operand 3 states. [2019-09-08 19:48:12,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:48:12,899 INFO L93 Difference]: Finished difference Result 3949 states and 5317 transitions. [2019-09-08 19:48:12,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:48:12,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-09-08 19:48:12,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:48:12,913 INFO L225 Difference]: With dead ends: 3949 [2019-09-08 19:48:12,914 INFO L226 Difference]: Without dead ends: 1986 [2019-09-08 19:48:12,922 INFO L628 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 [2019-09-08 19:48:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2019-09-08 19:48:13,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1986. [2019-09-08 19:48:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1986 states. [2019-09-08 19:48:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1986 states and 2670 transitions. [2019-09-08 19:48:13,026 INFO L78 Accepts]: Start accepts. Automaton has 1986 states and 2670 transitions. Word has length 94 [2019-09-08 19:48:13,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:48:13,026 INFO L475 AbstractCegarLoop]: Abstraction has 1986 states and 2670 transitions. [2019-09-08 19:48:13,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:48:13,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2670 transitions. [2019-09-08 19:48:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-08 19:48:13,033 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:48:13,033 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:48:13,033 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:48:13,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:48:13,034 INFO L82 PathProgramCache]: Analyzing trace with hash -344596494, now seen corresponding path program 1 times [2019-09-08 19:48:13,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:48:13,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:48:13,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:13,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:13,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-09-08 19:48:13,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:48:13,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:48:13,555 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:48:13,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:48:13,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:48:13,559 INFO L87 Difference]: Start difference. First operand 1986 states and 2670 transitions. Second operand 3 states. [2019-09-08 19:48:13,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:48:13,626 INFO L93 Difference]: Finished difference Result 2015 states and 2694 transitions. [2019-09-08 19:48:13,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:48:13,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2019-09-08 19:48:13,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:48:13,652 INFO L225 Difference]: With dead ends: 2015 [2019-09-08 19:48:13,653 INFO L226 Difference]: Without dead ends: 2012 [2019-09-08 19:48:13,655 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:48:13,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2019-09-08 19:48:13,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 2012. [2019-09-08 19:48:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2012 states. [2019-09-08 19:48:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 2012 states and 2691 transitions. [2019-09-08 19:48:13,743 INFO L78 Accepts]: Start accepts. Automaton has 2012 states and 2691 transitions. Word has length 108 [2019-09-08 19:48:13,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:48:13,744 INFO L475 AbstractCegarLoop]: Abstraction has 2012 states and 2691 transitions. [2019-09-08 19:48:13,744 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:48:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2691 transitions. [2019-09-08 19:48:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-08 19:48:13,747 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:48:13,747 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:48:13,747 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:48:13,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:48:13,748 INFO L82 PathProgramCache]: Analyzing trace with hash 31841057, now seen corresponding path program 1 times [2019-09-08 19:48:13,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:48:13,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:48:13,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:13,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:13,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:14,152 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:48:14,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:48:14,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 19:48:14,153 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:48:14,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:48:14,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:48:14,154 INFO L87 Difference]: Start difference. First operand 2012 states and 2691 transitions. Second operand 5 states. [2019-09-08 19:48:14,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:48:14,512 INFO L93 Difference]: Finished difference Result 6005 states and 8082 transitions. [2019-09-08 19:48:14,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 19:48:14,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2019-09-08 19:48:14,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:48:14,541 INFO L225 Difference]: With dead ends: 6005 [2019-09-08 19:48:14,542 INFO L226 Difference]: Without dead ends: 4017 [2019-09-08 19:48:14,551 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 19:48:14,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4017 states. [2019-09-08 19:48:14,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4017 to 3994. [2019-09-08 19:48:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3994 states. [2019-09-08 19:48:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 5362 transitions. [2019-09-08 19:48:14,747 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 5362 transitions. Word has length 111 [2019-09-08 19:48:14,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:48:14,747 INFO L475 AbstractCegarLoop]: Abstraction has 3994 states and 5362 transitions. [2019-09-08 19:48:14,747 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:48:14,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 5362 transitions. [2019-09-08 19:48:14,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-09-08 19:48:14,751 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:48:14,751 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:48:14,751 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:48:14,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:48:14,752 INFO L82 PathProgramCache]: Analyzing trace with hash -864037351, now seen corresponding path program 1 times [2019-09-08 19:48:14,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:48:14,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:48:14,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:14,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:14,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:48:15,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:48:15,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 19:48:15,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:48:15,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:48:15,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:48:15,161 INFO L87 Difference]: Start difference. First operand 3994 states and 5362 transitions. Second operand 5 states. [2019-09-08 19:48:15,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:48:15,547 INFO L93 Difference]: Finished difference Result 11976 states and 16169 transitions. [2019-09-08 19:48:15,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 19:48:15,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2019-09-08 19:48:15,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:48:15,613 INFO L225 Difference]: With dead ends: 11976 [2019-09-08 19:48:15,614 INFO L226 Difference]: Without dead ends: 8006 [2019-09-08 19:48:15,640 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 19:48:15,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8006 states. [2019-09-08 19:48:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8006 to 7967. [2019-09-08 19:48:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7967 states. [2019-09-08 19:48:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7967 states to 7967 states and 10728 transitions. [2019-09-08 19:48:16,145 INFO L78 Accepts]: Start accepts. Automaton has 7967 states and 10728 transitions. Word has length 112 [2019-09-08 19:48:16,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:48:16,145 INFO L475 AbstractCegarLoop]: Abstraction has 7967 states and 10728 transitions. [2019-09-08 19:48:16,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:48:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 7967 states and 10728 transitions. [2019-09-08 19:48:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-09-08 19:48:16,152 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:48:16,152 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:48:16,152 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:48:16,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:48:16,153 INFO L82 PathProgramCache]: Analyzing trace with hash -693855772, now seen corresponding path program 1 times [2019-09-08 19:48:16,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:48:16,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:48:16,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:16,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:16,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:48:16,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:48:16,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 19:48:16,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:48:16,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:48:16,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:48:16,577 INFO L87 Difference]: Start difference. First operand 7967 states and 10728 transitions. Second operand 5 states. [2019-09-08 19:48:17,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:48:17,225 INFO L93 Difference]: Finished difference Result 23940 states and 32421 transitions. [2019-09-08 19:48:17,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 19:48:17,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2019-09-08 19:48:17,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:48:18,323 INFO L225 Difference]: With dead ends: 23940 [2019-09-08 19:48:18,323 INFO L226 Difference]: Without dead ends: 15997 [2019-09-08 19:48:18,360 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 19:48:18,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15997 states. [2019-09-08 19:48:18,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15997 to 15922. [2019-09-08 19:48:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15922 states. [2019-09-08 19:48:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15922 states to 15922 states and 21507 transitions. [2019-09-08 19:48:19,072 INFO L78 Accepts]: Start accepts. Automaton has 15922 states and 21507 transitions. Word has length 113 [2019-09-08 19:48:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:48:19,073 INFO L475 AbstractCegarLoop]: Abstraction has 15922 states and 21507 transitions. [2019-09-08 19:48:19,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:48:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 15922 states and 21507 transitions. [2019-09-08 19:48:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-09-08 19:48:19,076 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:48:19,076 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:48:19,077 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:48:19,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:48:19,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1835552964, now seen corresponding path program 1 times [2019-09-08 19:48:19,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:48:19,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:48:19,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:19,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:19,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:48:19,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:48:19,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 19:48:19,522 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:48:19,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:48:19,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:48:19,523 INFO L87 Difference]: Start difference. First operand 15922 states and 21507 transitions. Second operand 5 states. [2019-09-08 19:48:20,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:48:20,692 INFO L93 Difference]: Finished difference Result 46679 states and 63371 transitions. [2019-09-08 19:48:20,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 19:48:20,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2019-09-08 19:48:20,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:48:21,239 INFO L225 Difference]: With dead ends: 46679 [2019-09-08 19:48:21,239 INFO L226 Difference]: Without dead ends: 30781 [2019-09-08 19:48:21,307 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 19:48:21,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30781 states. [2019-09-08 19:48:22,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30781 to 30640. [2019-09-08 19:48:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30640 states. [2019-09-08 19:48:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30640 states to 30640 states and 41467 transitions. [2019-09-08 19:48:22,667 INFO L78 Accepts]: Start accepts. Automaton has 30640 states and 41467 transitions. Word has length 114 [2019-09-08 19:48:22,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:48:22,669 INFO L475 AbstractCegarLoop]: Abstraction has 30640 states and 41467 transitions. [2019-09-08 19:48:22,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:48:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30640 states and 41467 transitions. [2019-09-08 19:48:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-09-08 19:48:22,674 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:48:22,674 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:48:22,675 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:48:22,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:48:22,675 INFO L82 PathProgramCache]: Analyzing trace with hash 846484551, now seen corresponding path program 1 times [2019-09-08 19:48:22,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:48:22,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:48:22,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:22,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:22,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:48:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-08 19:48:23,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:48:23,115 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 19:48:23,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:48:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:48:26,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 6119 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 19:48:26,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:48:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:48:26,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 19:48:26,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-09-08 19:48:26,463 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 19:48:26,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 19:48:26,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-09-08 19:48:26,465 INFO L87 Difference]: Start difference. First operand 30640 states and 41467 transitions. Second operand 14 states. [2019-09-08 19:49:03,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:49:03,195 INFO L93 Difference]: Finished difference Result 77316 states and 105188 transitions. [2019-09-08 19:49:03,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 19:49:03,197 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 127 [2019-09-08 19:49:03,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:49:03,501 INFO L225 Difference]: With dead ends: 77316 [2019-09-08 19:49:03,502 INFO L226 Difference]: Without dead ends: 46700 [2019-09-08 19:49:03,630 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2019-09-08 19:49:03,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46700 states. [2019-09-08 19:49:07,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46700 to 46251. [2019-09-08 19:49:07,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46251 states. [2019-09-08 19:49:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46251 states to 46251 states and 62790 transitions. [2019-09-08 19:49:07,959 INFO L78 Accepts]: Start accepts. Automaton has 46251 states and 62790 transitions. Word has length 127 [2019-09-08 19:49:07,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:49:07,960 INFO L475 AbstractCegarLoop]: Abstraction has 46251 states and 62790 transitions. [2019-09-08 19:49:07,960 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 19:49:07,960 INFO L276 IsEmpty]: Start isEmpty. Operand 46251 states and 62790 transitions. [2019-09-08 19:49:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 19:49:07,967 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:49:07,967 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:49:07,968 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:49:07,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:49:07,968 INFO L82 PathProgramCache]: Analyzing trace with hash -757300070, now seen corresponding path program 1 times [2019-09-08 19:49:07,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:49:07,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:49:07,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:49:07,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:49:07,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:49:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:49:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:49:08,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:49:08,575 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 19:49:08,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:49:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:49:12,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 6121 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 19:49:12,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:49:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:49:12,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 19:49:12,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-09-08 19:49:12,369 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 19:49:12,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 19:49:12,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-09-08 19:49:12,370 INFO L87 Difference]: Start difference. First operand 46251 states and 62790 transitions. Second operand 15 states. [2019-09-08 19:49:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:49:29,665 INFO L93 Difference]: Finished difference Result 144194 states and 196734 transitions. [2019-09-08 19:49:29,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-09-08 19:49:29,665 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 128 [2019-09-08 19:49:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:49:30,178 INFO L225 Difference]: With dead ends: 144194 [2019-09-08 19:49:30,178 INFO L226 Difference]: Without dead ends: 97967 [2019-09-08 19:49:30,376 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-09-08 19:49:30,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97967 states. [2019-09-08 19:49:33,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97967 to 91104. [2019-09-08 19:49:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91104 states. [2019-09-08 19:49:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91104 states to 91104 states and 123524 transitions. [2019-09-08 19:49:33,936 INFO L78 Accepts]: Start accepts. Automaton has 91104 states and 123524 transitions. Word has length 128 [2019-09-08 19:49:33,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:49:33,936 INFO L475 AbstractCegarLoop]: Abstraction has 91104 states and 123524 transitions. [2019-09-08 19:49:33,936 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 19:49:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 91104 states and 123524 transitions. [2019-09-08 19:49:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-09-08 19:49:33,941 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:49:33,942 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:49:33,942 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:49:33,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:49:33,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1874757696, now seen corresponding path program 1 times [2019-09-08 19:49:33,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:49:33,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:49:33,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:49:33,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:49:33,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:49:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:49:34,432 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:49:34,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:49:34,432 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 19:49:34,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 19:49:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:49:37,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 6123 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 19:49:37,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:49:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:49:38,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 19:49:38,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-09-08 19:49:38,110 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 19:49:38,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 19:49:38,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-09-08 19:49:38,111 INFO L87 Difference]: Start difference. First operand 91104 states and 123524 transitions. Second operand 15 states. [2019-09-08 19:49:56,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:49:56,375 INFO L93 Difference]: Finished difference Result 264193 states and 359576 transitions. [2019-09-08 19:49:56,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-09-08 19:49:56,375 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 129 [2019-09-08 19:49:56,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:49:57,211 INFO L225 Difference]: With dead ends: 264193 [2019-09-08 19:49:57,211 INFO L226 Difference]: Without dead ends: 173113 [2019-09-08 19:49:57,479 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-09-08 19:49:57,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173113 states. [2019-09-08 19:50:05,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173113 to 162644. [2019-09-08 19:50:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162644 states. [2019-09-08 19:50:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162644 states to 162644 states and 220271 transitions. [2019-09-08 19:50:05,954 INFO L78 Accepts]: Start accepts. Automaton has 162644 states and 220271 transitions. Word has length 129 [2019-09-08 19:50:05,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:50:05,954 INFO L475 AbstractCegarLoop]: Abstraction has 162644 states and 220271 transitions. [2019-09-08 19:50:05,954 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 19:50:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 162644 states and 220271 transitions. [2019-09-08 19:50:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-08 19:50:05,960 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:50:05,960 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:50:05,961 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:50:05,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:50:05,961 INFO L82 PathProgramCache]: Analyzing trace with hash -800980365, now seen corresponding path program 1 times [2019-09-08 19:50:05,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:50:05,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:50:05,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:50:05,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:50:05,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:50:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:50:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:50:06,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:50:06,381 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 19:50:06,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:50:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:50:08,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 6125 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 19:50:08,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:50:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-08 19:50:09,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 19:50:09,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-09-08 19:50:09,167 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 19:50:09,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 19:50:09,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-09-08 19:50:09,168 INFO L87 Difference]: Start difference. First operand 162644 states and 220271 transitions. Second operand 15 states. [2019-09-08 19:50:32,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:50:32,295 INFO L93 Difference]: Finished difference Result 452380 states and 614240 transitions. [2019-09-08 19:50:32,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-09-08 19:50:32,295 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 130 [2019-09-08 19:50:32,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:50:33,279 INFO L225 Difference]: With dead ends: 452380 [2019-09-08 19:50:33,280 INFO L226 Difference]: Without dead ends: 289760 [2019-09-08 19:50:33,577 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-09-08 19:50:33,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289760 states. [2019-09-08 19:50:45,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289760 to 274780. [2019-09-08 19:50:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274780 states. [2019-09-08 19:50:47,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274780 states to 274780 states and 371375 transitions. [2019-09-08 19:50:47,444 INFO L78 Accepts]: Start accepts. Automaton has 274780 states and 371375 transitions. Word has length 130 [2019-09-08 19:50:47,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:50:47,445 INFO L475 AbstractCegarLoop]: Abstraction has 274780 states and 371375 transitions. [2019-09-08 19:50:47,445 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 19:50:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 274780 states and 371375 transitions. [2019-09-08 19:50:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-09-08 19:50:47,469 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:50:47,470 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:50:47,470 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:50:47,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:50:47,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1002959784, now seen corresponding path program 1 times [2019-09-08 19:50:47,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:50:47,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:50:47,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:50:47,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:50:47,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:50:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:50:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-09-08 19:50:47,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:50:47,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:50:47,973 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:50:47,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:50:47,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:50:47,974 INFO L87 Difference]: Start difference. First operand 274780 states and 371375 transitions. Second operand 3 states. [2019-09-08 19:50:59,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:50:59,710 INFO L93 Difference]: Finished difference Result 550574 states and 747680 transitions. [2019-09-08 19:50:59,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:50:59,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 360 [2019-09-08 19:50:59,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:51:00,876 INFO L225 Difference]: With dead ends: 550574 [2019-09-08 19:51:00,877 INFO L226 Difference]: Without dead ends: 275818 [2019-09-08 19:51:02,005 INFO L628 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 [2019-09-08 19:51:02,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275818 states. [2019-09-08 19:51:09,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275818 to 274953. [2019-09-08 19:51:09,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274953 states. [2019-09-08 19:51:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274953 states to 274953 states and 371548 transitions. [2019-09-08 19:51:20,748 INFO L78 Accepts]: Start accepts. Automaton has 274953 states and 371548 transitions. Word has length 360 [2019-09-08 19:51:20,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:51:20,749 INFO L475 AbstractCegarLoop]: Abstraction has 274953 states and 371548 transitions. [2019-09-08 19:51:20,749 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:51:20,749 INFO L276 IsEmpty]: Start isEmpty. Operand 274953 states and 371548 transitions. [2019-09-08 19:51:20,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2019-09-08 19:51:20,778 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:51:20,779 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:51:20,779 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:51:20,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:51:20,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1988268344, now seen corresponding path program 1 times [2019-09-08 19:51:20,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:51:20,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:51:20,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:51:20,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:51:20,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:51:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:51:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-08 19:51:21,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:51:21,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 19:51:21,322 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 19:51:21,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 19:51:21,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 19:51:21,323 INFO L87 Difference]: Start difference. First operand 274953 states and 371548 transitions. Second operand 6 states. [2019-09-08 19:51:33,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:51:33,692 INFO L93 Difference]: Finished difference Result 550383 states and 745475 transitions. [2019-09-08 19:51:33,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 19:51:33,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 380 [2019-09-08 19:51:33,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:51:34,708 INFO L225 Difference]: With dead ends: 550383 [2019-09-08 19:51:34,708 INFO L226 Difference]: Without dead ends: 275454 [2019-09-08 19:51:35,106 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 19:51:35,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275454 states. [2019-09-08 19:51:43,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275454 to 275378. [2019-09-08 19:51:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275378 states. [2019-09-08 19:51:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275378 states to 275378 states and 371933 transitions. [2019-09-08 19:51:53,390 INFO L78 Accepts]: Start accepts. Automaton has 275378 states and 371933 transitions. Word has length 380 [2019-09-08 19:51:53,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:51:53,391 INFO L475 AbstractCegarLoop]: Abstraction has 275378 states and 371933 transitions. [2019-09-08 19:51:53,391 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 19:51:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 275378 states and 371933 transitions. [2019-09-08 19:51:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2019-09-08 19:51:53,415 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:51:53,415 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:51:53,416 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:51:53,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:51:53,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1359845549, now seen corresponding path program 1 times [2019-09-08 19:51:53,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:51:53,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:51:53,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:51:53,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:51:53,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:51:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:51:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-09-08 19:51:53,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:51:53,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 19:51:53,974 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 19:51:53,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 19:51:53,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 19:51:53,975 INFO L87 Difference]: Start difference. First operand 275378 states and 371933 transitions. Second operand 4 states. [2019-09-08 19:52:07,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:52:07,833 INFO L93 Difference]: Finished difference Result 553808 states and 753279 transitions. [2019-09-08 19:52:07,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 19:52:07,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 415 [2019-09-08 19:52:07,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:52:08,817 INFO L225 Difference]: With dead ends: 553808 [2019-09-08 19:52:08,818 INFO L226 Difference]: Without dead ends: 278454 [2019-09-08 19:52:09,612 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 19:52:09,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278454 states. [2019-09-08 19:52:17,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278454 to 277077. [2019-09-08 19:52:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277077 states. [2019-09-08 19:52:18,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277077 states to 277077 states and 374719 transitions. [2019-09-08 19:52:18,210 INFO L78 Accepts]: Start accepts. Automaton has 277077 states and 374719 transitions. Word has length 415 [2019-09-08 19:52:18,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:52:18,211 INFO L475 AbstractCegarLoop]: Abstraction has 277077 states and 374719 transitions. [2019-09-08 19:52:18,211 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 19:52:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 277077 states and 374719 transitions. [2019-09-08 19:52:18,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2019-09-08 19:52:18,243 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:52:18,244 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:52:18,244 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:52:18,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:52:18,244 INFO L82 PathProgramCache]: Analyzing trace with hash 421293376, now seen corresponding path program 1 times [2019-09-08 19:52:18,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:52:18,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:52:18,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:52:18,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:52:18,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:52:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:52:20,276 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2019-09-08 19:52:20,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:52:20,277 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 19:52:20,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:52:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:52:23,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 8772 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 19:52:23,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:52:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2019-09-08 19:52:24,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 19:52:24,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-08 19:52:24,704 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 19:52:24,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 19:52:24,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 19:52:24,707 INFO L87 Difference]: Start difference. First operand 277077 states and 374719 transitions. Second operand 6 states. [2019-09-08 19:52:40,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:52:40,520 INFO L93 Difference]: Finished difference Result 554822 states and 756592 transitions. [2019-09-08 19:52:40,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 19:52:40,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 618 [2019-09-08 19:52:40,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:52:41,488 INFO L225 Difference]: With dead ends: 554822 [2019-09-08 19:52:41,488 INFO L226 Difference]: Without dead ends: 274031 [2019-09-08 19:52:41,972 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-09-08 19:52:42,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274031 states. [2019-09-08 19:52:58,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274031 to 274031. [2019-09-08 19:52:58,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274031 states. [2019-09-08 19:52:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274031 states to 274031 states and 369286 transitions. [2019-09-08 19:52:59,615 INFO L78 Accepts]: Start accepts. Automaton has 274031 states and 369286 transitions. Word has length 618 [2019-09-08 19:52:59,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:52:59,616 INFO L475 AbstractCegarLoop]: Abstraction has 274031 states and 369286 transitions. [2019-09-08 19:52:59,616 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 19:52:59,616 INFO L276 IsEmpty]: Start isEmpty. Operand 274031 states and 369286 transitions. [2019-09-08 19:52:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2019-09-08 19:52:59,648 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:52:59,649 INFO L399 BasicCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:52:59,649 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:52:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:52:59,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1020160084, now seen corresponding path program 1 times [2019-09-08 19:52:59,650 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:52:59,650 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:52:59,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:52:59,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:52:59,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:52:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:53:00,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2019-09-08 19:53:00,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:53:00,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 19:53:00,470 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 19:53:00,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 19:53:00,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 19:53:00,471 INFO L87 Difference]: Start difference. First operand 274031 states and 369286 transitions. Second operand 8 states. [2019-09-08 19:53:22,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:53:22,394 INFO L93 Difference]: Finished difference Result 825569 states and 1118398 transitions. [2019-09-08 19:53:22,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 19:53:22,395 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 704 [2019-09-08 19:53:22,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:53:24,325 INFO L225 Difference]: With dead ends: 825569 [2019-09-08 19:53:24,326 INFO L226 Difference]: Without dead ends: 551562 [2019-09-08 19:53:24,785 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-09-08 19:53:25,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551562 states. [2019-09-08 19:53:37,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551562 to 275966. [2019-09-08 19:53:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275966 states. [2019-09-08 19:53:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275966 states to 275966 states and 373427 transitions. [2019-09-08 19:53:39,084 INFO L78 Accepts]: Start accepts. Automaton has 275966 states and 373427 transitions. Word has length 704 [2019-09-08 19:53:39,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:53:39,085 INFO L475 AbstractCegarLoop]: Abstraction has 275966 states and 373427 transitions. [2019-09-08 19:53:39,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 19:53:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 275966 states and 373427 transitions. [2019-09-08 19:53:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2019-09-08 19:53:39,114 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:53:39,115 INFO L399 BasicCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:53:39,115 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:53:39,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:53:39,116 INFO L82 PathProgramCache]: Analyzing trace with hash 838664597, now seen corresponding path program 1 times [2019-09-08 19:53:39,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:53:39,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:53:39,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:53:39,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:53:39,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:53:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:53:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2019-09-08 19:53:40,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:53:40,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 19:53:40,216 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:53:40,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:53:40,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:53:40,217 INFO L87 Difference]: Start difference. First operand 275966 states and 373427 transitions. Second operand 5 states. [2019-09-08 19:53:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:53:55,949 INFO L93 Difference]: Finished difference Result 554676 states and 756866 transitions. [2019-09-08 19:53:55,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 19:53:55,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 706 [2019-09-08 19:53:55,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:53:56,890 INFO L225 Difference]: With dead ends: 554676 [2019-09-08 19:53:56,890 INFO L226 Difference]: Without dead ends: 278734 [2019-09-08 19:53:57,753 INFO L628 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 [2019-09-08 19:53:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278734 states. [2019-09-08 19:54:06,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278734 to 278374. [2019-09-08 19:54:06,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278374 states. [2019-09-08 19:54:06,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278374 states to 278374 states and 376836 transitions. [2019-09-08 19:54:06,930 INFO L78 Accepts]: Start accepts. Automaton has 278374 states and 376836 transitions. Word has length 706 [2019-09-08 19:54:06,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:54:06,930 INFO L475 AbstractCegarLoop]: Abstraction has 278374 states and 376836 transitions. [2019-09-08 19:54:06,930 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:54:06,931 INFO L276 IsEmpty]: Start isEmpty. Operand 278374 states and 376836 transitions. [2019-09-08 19:54:06,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777 [2019-09-08 19:54:06,946 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:54:06,946 INFO L399 BasicCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:54:06,947 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:54:06,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:54:06,947 INFO L82 PathProgramCache]: Analyzing trace with hash 474424839, now seen corresponding path program 1 times [2019-09-08 19:54:06,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:54:06,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:54:06,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:54:06,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:54:06,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:54:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:54:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2019-09-08 19:54:09,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:54:09,590 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 19:54:09,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 19:54:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:54:13,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 9416 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 19:54:13,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:54:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2019-09-08 19:54:20,582 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 19:54:20,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2019-09-08 19:54:20,585 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:54:20,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:54:20,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:54:20,585 INFO L87 Difference]: Start difference. First operand 278374 states and 376836 transitions. Second operand 5 states. [2019-09-08 19:54:27,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:54:27,809 INFO L93 Difference]: Finished difference Result 557762 states and 761405 transitions. [2019-09-08 19:54:27,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 19:54:27,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 776 [2019-09-08 19:54:27,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:54:28,886 INFO L225 Difference]: With dead ends: 557762 [2019-09-08 19:54:28,886 INFO L226 Difference]: Without dead ends: 279412 [2019-09-08 19:54:30,236 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 779 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:54:30,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279412 states. [2019-09-08 19:54:38,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279412 to 279412. [2019-09-08 19:54:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279412 states. [2019-09-08 19:54:50,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279412 states to 279412 states and 378393 transitions. [2019-09-08 19:54:50,743 INFO L78 Accepts]: Start accepts. Automaton has 279412 states and 378393 transitions. Word has length 776 [2019-09-08 19:54:50,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:54:50,743 INFO L475 AbstractCegarLoop]: Abstraction has 279412 states and 378393 transitions. [2019-09-08 19:54:50,743 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:54:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 279412 states and 378393 transitions. [2019-09-08 19:54:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2019-09-08 19:54:50,756 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:54:50,757 INFO L399 BasicCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:54:50,757 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:54:50,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:54:50,757 INFO L82 PathProgramCache]: Analyzing trace with hash -845285164, now seen corresponding path program 1 times [2019-09-08 19:54:50,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:54:50,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:54:50,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:54:50,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:54:50,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY