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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ieee802154--mrf24j40.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 07:03:43,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 07:03:43,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 07:03:43,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 07:03:43,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 07:03:43,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 07:03:43,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 07:03:43,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 07:03:43,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 07:03:43,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 07:03:43,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 07:03:43,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 07:03:43,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 07:03:43,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 07:03:43,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 07:03:43,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 07:03:43,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 07:03:43,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 07:03:43,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 07:03:43,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 07:03:43,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 07:03:44,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 07:03:44,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 07:03:44,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 07:03:44,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 07:03:44,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 07:03:44,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 07:03:44,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 07:03:44,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 07:03:44,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 07:03:44,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 07:03:44,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 07:03:44,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 07:03:44,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 07:03:44,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 07:03:44,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 07:03:44,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 07:03:44,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 07:03:44,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 07:03:44,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 07:03:44,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 07:03:44,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 07:03:44,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 07:03:44,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 07:03:44,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 07:03:44,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 07:03:44,030 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 07:03:44,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 07:03:44,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 07:03:44,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 07:03:44,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 07:03:44,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 07:03:44,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 07:03:44,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 07:03:44,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 07:03:44,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 07:03:44,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 07:03:44,032 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 07:03:44,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 07:03:44,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 07:03:44,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 07:03:44,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 07:03:44,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 07:03:44,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 07:03:44,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 07:03:44,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 07:03:44,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 07:03:44,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 07:03:44,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 07:03:44,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 07:03:44,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 07:03:44,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 07:03:44,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 07:03:44,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 07:03:44,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 07:03:44,080 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 07:03:44,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ieee802154--mrf24j40.ko-entry_point.cil.out.i [2019-10-02 07:03:44,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc1a5056/1cc3a83de00340cfb9a0aa63a435e92b/FLAGaf2c7ab87 [2019-10-02 07:03:44,994 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 07:03:44,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ieee802154--mrf24j40.ko-entry_point.cil.out.i [2019-10-02 07:03:45,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc1a5056/1cc3a83de00340cfb9a0aa63a435e92b/FLAGaf2c7ab87 [2019-10-02 07:03:45,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc1a5056/1cc3a83de00340cfb9a0aa63a435e92b [2019-10-02 07:03:45,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 07:03:45,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 07:03:45,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 07:03:45,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 07:03:45,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 07:03:45,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:03:45" (1/1) ... [2019-10-02 07:03:45,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734c9d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:45, skipping insertion in model container [2019-10-02 07:03:45,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:03:45" (1/1) ... [2019-10-02 07:03:45,518 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 07:03:45,661 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 07:03:47,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 07:03:47,435 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 07:03:47,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 07:03:48,064 INFO L192 MainTranslator]: Completed translation [2019-10-02 07:03:48,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48 WrapperNode [2019-10-02 07:03:48,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 07:03:48,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 07:03:48,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 07:03:48,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 07:03:48,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (1/1) ... [2019-10-02 07:03:48,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (1/1) ... [2019-10-02 07:03:48,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (1/1) ... [2019-10-02 07:03:48,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (1/1) ... [2019-10-02 07:03:48,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (1/1) ... [2019-10-02 07:03:48,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (1/1) ... [2019-10-02 07:03:48,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (1/1) ... [2019-10-02 07:03:48,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 07:03:48,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 07:03:48,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 07:03:48,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 07:03:48,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 07:03:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 07:03:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 07:03:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 07:03:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-02 07:03:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-02 07:03:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-02 07:03:48,345 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_completion [2019-10-02 07:03:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 07:03:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-02 07:03:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 07:03:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 07:03:48,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 07:03:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 07:03:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 07:03:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 07:03:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 07:03:48,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 07:03:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 07:03:48,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 07:03:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 07:03:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 07:03:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2019-10-02 07:03:48,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2019-10-02 07:03:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2019-10-02 07:03:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2019-10-02 07:03:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2019-10-02 07:03:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2019-10-02 07:03:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure write_short_reg [2019-10-02 07:03:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure read_short_reg [2019-10-02 07:03:48,350 INFO L138 BoogieDeclarations]: Found implementation of procedure read_long_reg [2019-10-02 07:03:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure write_long_reg [2019-10-02 07:03:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure write_tx_buf [2019-10-02 07:03:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_read_rx_buf [2019-10-02 07:03:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_tx [2019-10-02 07:03:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_ed [2019-10-02 07:03:48,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_start [2019-10-02 07:03:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_stop [2019-10-02 07:03:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_set_channel [2019-10-02 07:03:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_filter [2019-10-02 07:03:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_handle_rx [2019-10-02 07:03:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_isr [2019-10-02 07:03:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_probe [2019-10-02 07:03:48,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_remove [2019-10-02 07:03:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_driver_init [2019-10-02 07:03:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_driver_exit [2019-10-02 07:03:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-10-02 07:03:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-10-02 07:03:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee802154_ops_4 [2019-10-02 07:03:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-10-02 07:03:48,353 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-02 07:03:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-02 07:03:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-02 07:03:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-02 07:03:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_3 [2019-10-02 07:03:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-10-02 07:03:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-02 07:03:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-10-02 07:03:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 07:03:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-02 07:03:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-02 07:03:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-02 07:03:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-02 07:03:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_11 [2019-10-02 07:03:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-02 07:03:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_13 [2019-10-02 07:03:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-10-02 07:03:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_15 [2019-10-02 07:03:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-02 07:03:48,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-02 07:03:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-02 07:03:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-02 07:03:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-02 07:03:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 07:03:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 07:03:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 07:03:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 07:03:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-02 07:03:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 07:03:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-02 07:03:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-02 07:03:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-02 07:03:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-02 07:03:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-02 07:03:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 07:03:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 07:03:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 07:03:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-02 07:03:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 07:03:48,359 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-02 07:03:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 07:03:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-02 07:03:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-10-02 07:03:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-10-02 07:03:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-10-02 07:03:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_alloc_device [2019-10-02 07:03:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_free_device [2019-10-02 07:03:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_register_device [2019-10-02 07:03:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_rx_irqsafe [2019-10-02 07:03:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_unregister_device [2019-10-02 07:03:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2019-10-02 07:03:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2019-10-02 07:03:48,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-02 07:03:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 07:03:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 07:03:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 07:03:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-02 07:03:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2019-10-02 07:03:48,362 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2019-10-02 07:03:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 07:03:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 07:03:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 07:03:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 07:03:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 07:03:48,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 07:03:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 07:03:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 07:03:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 07:03:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 07:03:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 07:03:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 07:03:48,364 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-02 07:03:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-02 07:03:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 07:03:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 07:03:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 07:03:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 07:03:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-02 07:03:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-02 07:03:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 07:03:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 07:03:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 07:03:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_completion [2019-10-02 07:03:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2019-10-02 07:03:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-02 07:03:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 07:03:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-02 07:03:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 07:03:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 07:03:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-10-02 07:03:48,367 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-10-02 07:03:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-02 07:03:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 07:03:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 07:03:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 07:03:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 07:03:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-02 07:03:48,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-02 07:03:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-02 07:03:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-02 07:03:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-02 07:03:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-10-02 07:03:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-02 07:03:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_13 [2019-10-02 07:03:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 07:03:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-02 07:03:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-02 07:03:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-02 07:03:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 07:03:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 07:03:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 07:03:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 07:03:48,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 07:03:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 07:03:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 07:03:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 07:03:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 07:03:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 07:03:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 07:03:48,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 07:03:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 07:03:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 07:03:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 07:03:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 07:03:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-10-02 07:03:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-10-02 07:03:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee802154_ops_4 [2019-10-02 07:03:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-10-02 07:03:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-02 07:03:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-02 07:03:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-02 07:03:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-02 07:03:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_3 [2019-10-02 07:03:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-10-02 07:03:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-02 07:03:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-10-02 07:03:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2019-10-02 07:03:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2019-10-02 07:03:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2019-10-02 07:03:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2019-10-02 07:03:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2019-10-02 07:03:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 07:03:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2019-10-02 07:03:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2019-10-02 07:03:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 07:03:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-10-02 07:03:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_11 [2019-10-02 07:03:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_15 [2019-10-02 07:03:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 07:03:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_alloc_device [2019-10-02 07:03:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_free_device [2019-10-02 07:03:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_register_device [2019-10-02 07:03:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_unregister_device [2019-10-02 07:03:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_rx_irqsafe [2019-10-02 07:03:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure write_short_reg [2019-10-02 07:03:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure read_short_reg [2019-10-02 07:03:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure read_long_reg [2019-10-02 07:03:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure write_long_reg [2019-10-02 07:03:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure write_tx_buf [2019-10-02 07:03:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_read_rx_buf [2019-10-02 07:03:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_tx [2019-10-02 07:03:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_ed [2019-10-02 07:03:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_start [2019-10-02 07:03:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_stop [2019-10-02 07:03:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_set_channel [2019-10-02 07:03:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_filter [2019-10-02 07:03:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 07:03:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_handle_rx [2019-10-02 07:03:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_isr [2019-10-02 07:03:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_probe [2019-10-02 07:03:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_remove [2019-10-02 07:03:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_driver_init [2019-10-02 07:03:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_driver_exit [2019-10-02 07:03:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2019-10-02 07:03:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 07:03:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 07:03:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2019-10-02 07:03:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 07:03:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-02 07:03:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-02 07:03:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-02 07:03:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-02 07:03:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-02 07:03:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 07:03:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 07:03:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 07:03:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 07:03:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-02 07:03:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-02 07:03:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-02 07:03:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-02 07:03:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 07:03:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 07:03:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 07:03:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 07:03:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 07:03:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 07:03:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 07:03:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 07:03:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 07:03:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 07:03:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 07:03:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 07:03:52,448 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 07:04:11,296 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 07:04:11,297 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-02 07:04:11,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:04:11 BoogieIcfgContainer [2019-10-02 07:04:11,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 07:04:11,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 07:04:11,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 07:04:11,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 07:04:11,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 07:03:45" (1/3) ... [2019-10-02 07:04:11,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ddbbe85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:04:11, skipping insertion in model container [2019-10-02 07:04:11,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:03:48" (2/3) ... [2019-10-02 07:04:11,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ddbbe85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:04:11, skipping insertion in model container [2019-10-02 07:04:11,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:04:11" (3/3) ... [2019-10-02 07:04:11,308 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ieee802154--mrf24j40.ko-entry_point.cil.out.i [2019-10-02 07:04:11,318 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 07:04:11,333 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 07:04:11,359 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 07:04:11,412 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 07:04:11,414 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 07:04:11,414 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 07:04:11,424 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 07:04:11,425 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 07:04:11,425 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 07:04:11,425 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 07:04:11,425 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 07:04:11,426 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 07:04:11,487 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states. [2019-10-02 07:04:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-02 07:04:11,523 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:11,525 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:04:11,528 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:11,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:11,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1379144066, now seen corresponding path program 1 times [2019-10-02 07:04:11,542 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:11,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:11,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:11,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:11,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 07:04:12,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:12,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:04:12,379 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:04:12,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:04:12,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:04:12,395 INFO L87 Difference]: Start difference. First operand 827 states. Second operand 3 states. [2019-10-02 07:04:14,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:14,838 INFO L93 Difference]: Finished difference Result 2295 states and 3233 transitions. [2019-10-02 07:04:14,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:04:14,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-02 07:04:14,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:14,879 INFO L225 Difference]: With dead ends: 2295 [2019-10-02 07:04:14,880 INFO L226 Difference]: Without dead ends: 1492 [2019-10-02 07:04:14,891 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:04:14,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2019-10-02 07:04:15,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1492. [2019-10-02 07:04:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2019-10-02 07:04:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1977 transitions. [2019-10-02 07:04:15,069 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1977 transitions. Word has length 58 [2019-10-02 07:04:15,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:15,070 INFO L475 AbstractCegarLoop]: Abstraction has 1492 states and 1977 transitions. [2019-10-02 07:04:15,071 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:04:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1977 transitions. [2019-10-02 07:04:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-02 07:04:15,077 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:15,078 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:04:15,078 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:15,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:15,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1169205368, now seen corresponding path program 1 times [2019-10-02 07:04:15,079 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:15,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:15,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:15,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:15,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 07:04:15,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:15,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:04:15,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:04:15,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:04:15,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:04:15,505 INFO L87 Difference]: Start difference. First operand 1492 states and 1977 transitions. Second operand 6 states. [2019-10-02 07:04:18,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:18,938 INFO L93 Difference]: Finished difference Result 4441 states and 5959 transitions. [2019-10-02 07:04:18,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:04:18,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-02 07:04:18,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:18,962 INFO L225 Difference]: With dead ends: 4441 [2019-10-02 07:04:18,962 INFO L226 Difference]: Without dead ends: 2948 [2019-10-02 07:04:18,972 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:04:18,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2948 states. [2019-10-02 07:04:19,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2948 to 2948. [2019-10-02 07:04:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2948 states. [2019-10-02 07:04:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2948 states and 3946 transitions. [2019-10-02 07:04:19,104 INFO L78 Accepts]: Start accepts. Automaton has 2948 states and 3946 transitions. Word has length 62 [2019-10-02 07:04:19,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:19,104 INFO L475 AbstractCegarLoop]: Abstraction has 2948 states and 3946 transitions. [2019-10-02 07:04:19,104 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:04:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2948 states and 3946 transitions. [2019-10-02 07:04:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-10-02 07:04:19,118 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:19,118 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 07:04:19,119 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:19,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:19,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1437621537, now seen corresponding path program 1 times [2019-10-02 07:04:19,119 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:19,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:19,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:19,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:19,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-02 07:04:19,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:19,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:04:19,536 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:04:19,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:04:19,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:04:19,537 INFO L87 Difference]: Start difference. First operand 2948 states and 3946 transitions. Second operand 6 states. [2019-10-02 07:04:22,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:22,844 INFO L93 Difference]: Finished difference Result 5904 states and 7931 transitions. [2019-10-02 07:04:22,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:04:22,845 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 324 [2019-10-02 07:04:22,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:22,874 INFO L225 Difference]: With dead ends: 5904 [2019-10-02 07:04:22,874 INFO L226 Difference]: Without dead ends: 2976 [2019-10-02 07:04:22,892 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:04:22,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2019-10-02 07:04:23,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2968. [2019-10-02 07:04:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2968 states. [2019-10-02 07:04:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2968 states and 3978 transitions. [2019-10-02 07:04:23,086 INFO L78 Accepts]: Start accepts. Automaton has 2968 states and 3978 transitions. Word has length 324 [2019-10-02 07:04:23,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:23,088 INFO L475 AbstractCegarLoop]: Abstraction has 2968 states and 3978 transitions. [2019-10-02 07:04:23,088 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:04:23,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 3978 transitions. [2019-10-02 07:04:23,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-10-02 07:04:23,103 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:23,104 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 07:04:23,104 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:23,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:23,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1066575537, now seen corresponding path program 1 times [2019-10-02 07:04:23,105 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:23,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:23,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:23,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:23,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-02 07:04:23,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:23,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:04:23,631 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:04:23,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:04:23,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:04:23,632 INFO L87 Difference]: Start difference. First operand 2968 states and 3978 transitions. Second operand 6 states. [2019-10-02 07:04:26,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:26,726 INFO L93 Difference]: Finished difference Result 5924 states and 7953 transitions. [2019-10-02 07:04:26,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:04:26,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 323 [2019-10-02 07:04:26,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:26,750 INFO L225 Difference]: With dead ends: 5924 [2019-10-02 07:04:26,750 INFO L226 Difference]: Without dead ends: 2976 [2019-10-02 07:04:26,766 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:04:26,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2019-10-02 07:04:26,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2968. [2019-10-02 07:04:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2968 states. [2019-10-02 07:04:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2968 states and 3970 transitions. [2019-10-02 07:04:26,891 INFO L78 Accepts]: Start accepts. Automaton has 2968 states and 3970 transitions. Word has length 323 [2019-10-02 07:04:26,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:26,892 INFO L475 AbstractCegarLoop]: Abstraction has 2968 states and 3970 transitions. [2019-10-02 07:04:26,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:04:26,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 3970 transitions. [2019-10-02 07:04:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-10-02 07:04:26,905 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:26,905 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 07:04:26,906 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:26,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:26,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1801844972, now seen corresponding path program 1 times [2019-10-02 07:04:26,906 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:26,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:26,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:26,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:26,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:27,332 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-02 07:04:27,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:27,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 07:04:27,333 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 07:04:27,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 07:04:27,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 07:04:27,334 INFO L87 Difference]: Start difference. First operand 2968 states and 3970 transitions. Second operand 7 states. [2019-10-02 07:05:38,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:05:38,768 INFO L93 Difference]: Finished difference Result 8900 states and 11920 transitions. [2019-10-02 07:05:38,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 07:05:38,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 322 [2019-10-02 07:05:38,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:05:38,814 INFO L225 Difference]: With dead ends: 8900 [2019-10-02 07:05:38,815 INFO L226 Difference]: Without dead ends: 5952 [2019-10-02 07:05:38,832 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-10-02 07:05:38,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5952 states. [2019-10-02 07:05:39,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5952 to 5892. [2019-10-02 07:05:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5892 states. [2019-10-02 07:05:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5892 states to 5892 states and 7891 transitions. [2019-10-02 07:05:39,117 INFO L78 Accepts]: Start accepts. Automaton has 5892 states and 7891 transitions. Word has length 322 [2019-10-02 07:05:39,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:05:39,121 INFO L475 AbstractCegarLoop]: Abstraction has 5892 states and 7891 transitions. [2019-10-02 07:05:39,121 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 07:05:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 5892 states and 7891 transitions. [2019-10-02 07:05:39,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-02 07:05:39,151 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:05:39,151 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 07:05:39,152 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:05:39,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:05:39,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1350966724, now seen corresponding path program 1 times [2019-10-02 07:05:39,152 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:05:39,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:05:39,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:05:39,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:05:39,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:05:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:05:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-02 07:05:39,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:05:39,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:05:39,511 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:05:39,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:05:39,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:05:39,512 INFO L87 Difference]: Start difference. First operand 5892 states and 7891 transitions. Second operand 6 states. [2019-10-02 07:05:42,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:05:42,703 INFO L93 Difference]: Finished difference Result 8872 states and 11886 transitions. [2019-10-02 07:05:42,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:05:42,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 325 [2019-10-02 07:05:42,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:05:42,739 INFO L225 Difference]: With dead ends: 8872 [2019-10-02 07:05:42,740 INFO L226 Difference]: Without dead ends: 5816 [2019-10-02 07:05:42,757 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:05:42,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5816 states. [2019-10-02 07:05:42,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5816 to 5808. [2019-10-02 07:05:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5808 states. [2019-10-02 07:05:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5808 states to 5808 states and 7757 transitions. [2019-10-02 07:05:43,011 INFO L78 Accepts]: Start accepts. Automaton has 5808 states and 7757 transitions. Word has length 325 [2019-10-02 07:05:43,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:05:43,011 INFO L475 AbstractCegarLoop]: Abstraction has 5808 states and 7757 transitions. [2019-10-02 07:05:43,011 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:05:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 5808 states and 7757 transitions. [2019-10-02 07:05:43,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-10-02 07:05:43,037 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:05:43,038 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:05:43,038 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:05:43,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:05:43,039 INFO L82 PathProgramCache]: Analyzing trace with hash 579551174, now seen corresponding path program 1 times [2019-10-02 07:05:43,039 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:05:43,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:05:43,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:05:43,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:05:43,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:05:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:05:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-02 07:05:43,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:05:43,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 07:05:43,402 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 07:05:43,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 07:05:43,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 07:05:43,403 INFO L87 Difference]: Start difference. First operand 5808 states and 7757 transitions. Second operand 7 states. [2019-10-02 07:06:53,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:06:53,795 INFO L93 Difference]: Finished difference Result 16714 states and 22309 transitions. [2019-10-02 07:06:53,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 07:06:53,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2019-10-02 07:06:53,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:06:53,854 INFO L225 Difference]: With dead ends: 16714 [2019-10-02 07:06:53,854 INFO L226 Difference]: Without dead ends: 10926 [2019-10-02 07:06:53,878 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-10-02 07:06:53,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10926 states. [2019-10-02 07:06:54,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10926 to 10768. [2019-10-02 07:06:54,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10768 states. [2019-10-02 07:06:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10768 states to 10768 states and 14333 transitions. [2019-10-02 07:06:54,331 INFO L78 Accepts]: Start accepts. Automaton has 10768 states and 14333 transitions. Word has length 319 [2019-10-02 07:06:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:06:54,333 INFO L475 AbstractCegarLoop]: Abstraction has 10768 states and 14333 transitions. [2019-10-02 07:06:54,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 07:06:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 10768 states and 14333 transitions. [2019-10-02 07:06:54,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-02 07:06:54,371 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:06:54,372 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:06:54,372 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:06:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:06:54,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1325261436, now seen corresponding path program 1 times [2019-10-02 07:06:54,372 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:06:54,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:06:54,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:06:54,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:06:54,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:06:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:06:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-02 07:06:55,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:06:55,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:06:55,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:06:55,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:06:55,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:06:55,459 INFO L87 Difference]: Start difference. First operand 10768 states and 14333 transitions. Second operand 6 states. [2019-10-02 07:06:59,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:06:59,491 INFO L93 Difference]: Finished difference Result 22848 states and 30575 transitions. [2019-10-02 07:06:59,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 07:06:59,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 320 [2019-10-02 07:06:59,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:06:59,575 INFO L225 Difference]: With dead ends: 22848 [2019-10-02 07:06:59,576 INFO L226 Difference]: Without dead ends: 16760 [2019-10-02 07:06:59,605 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-10-02 07:06:59,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16760 states. [2019-10-02 07:07:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16760 to 16664. [2019-10-02 07:07:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16664 states. [2019-10-02 07:07:00,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16664 states to 16664 states and 22189 transitions. [2019-10-02 07:07:00,468 INFO L78 Accepts]: Start accepts. Automaton has 16664 states and 22189 transitions. Word has length 320 [2019-10-02 07:07:00,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:07:00,470 INFO L475 AbstractCegarLoop]: Abstraction has 16664 states and 22189 transitions. [2019-10-02 07:07:00,471 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:07:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 16664 states and 22189 transitions. [2019-10-02 07:07:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2019-10-02 07:07:00,506 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:07:00,507 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:07:00,507 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:07:00,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:07:00,507 INFO L82 PathProgramCache]: Analyzing trace with hash 940770867, now seen corresponding path program 1 times [2019-10-02 07:07:00,508 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:07:00,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:07:00,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:07:00,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:07:00,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:07:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:07:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-02 07:07:00,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:07:00,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:07:00,847 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:07:00,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:07:00,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:07:00,848 INFO L87 Difference]: Start difference. First operand 16664 states and 22189 transitions. Second operand 6 states. [2019-10-02 07:07:05,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:07:05,299 INFO L93 Difference]: Finished difference Result 34800 states and 46459 transitions. [2019-10-02 07:07:05,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 07:07:05,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 321 [2019-10-02 07:07:05,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:07:05,392 INFO L225 Difference]: With dead ends: 34800 [2019-10-02 07:07:05,392 INFO L226 Difference]: Without dead ends: 22816 [2019-10-02 07:07:05,421 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-10-02 07:07:05,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22816 states. [2019-10-02 07:07:06,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22816 to 22712. [2019-10-02 07:07:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22712 states. [2019-10-02 07:07:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22712 states to 22712 states and 30165 transitions. [2019-10-02 07:07:06,360 INFO L78 Accepts]: Start accepts. Automaton has 22712 states and 30165 transitions. Word has length 321 [2019-10-02 07:07:06,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:07:06,360 INFO L475 AbstractCegarLoop]: Abstraction has 22712 states and 30165 transitions. [2019-10-02 07:07:06,361 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:07:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 22712 states and 30165 transitions. [2019-10-02 07:07:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-10-02 07:07:06,393 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:07:06,394 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:07:06,394 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:07:06,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:07:06,394 INFO L82 PathProgramCache]: Analyzing trace with hash -640990703, now seen corresponding path program 1 times [2019-10-02 07:07:06,394 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:07:06,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:07:06,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:07:06,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:07:06,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:07:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:07:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-02 07:07:06,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:07:06,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:07:06,694 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:07:06,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:07:06,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:07:06,695 INFO L87 Difference]: Start difference. First operand 22712 states and 30165 transitions. Second operand 6 states. [2019-10-02 07:07:11,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:07:11,649 INFO L93 Difference]: Finished difference Result 46920 states and 62447 transitions. [2019-10-02 07:07:11,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 07:07:11,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 322 [2019-10-02 07:07:11,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:07:11,808 INFO L225 Difference]: With dead ends: 46920 [2019-10-02 07:07:11,808 INFO L226 Difference]: Without dead ends: 28137 [2019-10-02 07:07:11,881 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-10-02 07:07:11,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28137 states. [2019-10-02 07:07:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28137 to 28029. [2019-10-02 07:07:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28029 states. [2019-10-02 07:07:14,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28029 states to 28029 states and 37192 transitions. [2019-10-02 07:07:14,849 INFO L78 Accepts]: Start accepts. Automaton has 28029 states and 37192 transitions. Word has length 322 [2019-10-02 07:07:14,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:07:14,850 INFO L475 AbstractCegarLoop]: Abstraction has 28029 states and 37192 transitions. [2019-10-02 07:07:14,850 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:07:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 28029 states and 37192 transitions. [2019-10-02 07:07:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2019-10-02 07:07:14,893 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:07:14,893 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 07:07:14,894 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:07:14,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:07:14,894 INFO L82 PathProgramCache]: Analyzing trace with hash -185477491, now seen corresponding path program 1 times [2019-10-02 07:07:14,895 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:07:14,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:07:14,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:07:14,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:07:14,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:07:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:07:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-02 07:07:15,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:07:15,382 INFO L224 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 [2019-10-02 07:07:15,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:07:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:07:16,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 4095 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 07:07:16,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:07:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-02 07:07:16,902 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:07:16,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2019-10-02 07:07:16,904 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 07:07:16,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 07:07:16,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2019-10-02 07:07:16,905 INFO L87 Difference]: Start difference. First operand 28029 states and 37192 transitions. Second operand 17 states. [2019-10-02 07:09:29,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:09:29,475 INFO L93 Difference]: Finished difference Result 80657 states and 106990 transitions. [2019-10-02 07:09:29,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-02 07:09:29,480 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 335 [2019-10-02 07:09:29,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:09:29,851 INFO L225 Difference]: With dead ends: 80657 [2019-10-02 07:09:29,852 INFO L226 Difference]: Without dead ends: 55232 [2019-10-02 07:09:29,967 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=462, Invalid=2088, Unknown=0, NotChecked=0, Total=2550 [2019-10-02 07:09:30,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55232 states. [2019-10-02 07:09:32,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55232 to 54690. [2019-10-02 07:09:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54690 states. [2019-10-02 07:09:32,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54690 states to 54690 states and 72615 transitions. [2019-10-02 07:09:32,887 INFO L78 Accepts]: Start accepts. Automaton has 54690 states and 72615 transitions. Word has length 335 [2019-10-02 07:09:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:09:32,887 INFO L475 AbstractCegarLoop]: Abstraction has 54690 states and 72615 transitions. [2019-10-02 07:09:32,887 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 07:09:32,887 INFO L276 IsEmpty]: Start isEmpty. Operand 54690 states and 72615 transitions. [2019-10-02 07:09:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-10-02 07:09:32,974 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:09:32,975 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 07:09:32,975 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:09:32,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:09:32,976 INFO L82 PathProgramCache]: Analyzing trace with hash -455511455, now seen corresponding path program 1 times [2019-10-02 07:09:32,976 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:09:32,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:09:32,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:32,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:09:32,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:09:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2019-10-02 07:09:33,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:09:33,815 INFO L224 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 [2019-10-02 07:09:34,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:09:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:09:34,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 4097 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 07:09:34,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:09:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-02 07:09:35,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:09:35,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2019-10-02 07:09:35,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 07:09:35,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 07:09:35,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2019-10-02 07:09:35,161 INFO L87 Difference]: Start difference. First operand 54690 states and 72615 transitions. Second operand 19 states. [2019-10-02 07:13:58,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:13:58,013 INFO L93 Difference]: Finished difference Result 161291 states and 214964 transitions. [2019-10-02 07:13:58,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-10-02 07:13:58,015 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 336 [2019-10-02 07:13:58,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:13:58,550 INFO L225 Difference]: With dead ends: 161291 [2019-10-02 07:13:58,550 INFO L226 Difference]: Without dead ends: 112965 [2019-10-02 07:13:58,690 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1370 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=753, Invalid=4217, Unknown=0, NotChecked=0, Total=4970 [2019-10-02 07:13:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112965 states. [2019-10-02 07:14:01,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112965 to 111654. [2019-10-02 07:14:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111654 states. [2019-10-02 07:14:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111654 states to 111654 states and 148557 transitions. [2019-10-02 07:14:01,873 INFO L78 Accepts]: Start accepts. Automaton has 111654 states and 148557 transitions. Word has length 336 [2019-10-02 07:14:01,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:14:01,873 INFO L475 AbstractCegarLoop]: Abstraction has 111654 states and 148557 transitions. [2019-10-02 07:14:01,874 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 07:14:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 111654 states and 148557 transitions. [2019-10-02 07:14:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2019-10-02 07:14:01,922 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:14:01,923 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 07:14:01,923 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:14:01,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:14:01,923 INFO L82 PathProgramCache]: Analyzing trace with hash -336521434, now seen corresponding path program 1 times [2019-10-02 07:14:01,924 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:14:01,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:14:01,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:14:01,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:14:01,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:14:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:14:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2019-10-02 07:14:02,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:14:02,268 INFO L224 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) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:14:05,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:14:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:14:06,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 4099 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 07:14:06,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:14:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-02 07:14:06,418 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:14:06,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2019-10-02 07:14:06,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 07:14:06,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 07:14:06,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2019-10-02 07:14:06,420 INFO L87 Difference]: Start difference. First operand 111654 states and 148557 transitions. Second operand 19 states.