java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-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 [2019-10-03 00:52:10,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:52:10,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:52:10,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:52:10,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:52:10,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:52:10,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:52:10,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:52:10,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:52:10,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:52:10,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:52:10,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:52:10,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:52:10,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:52:10,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:52:10,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:52:10,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:52:10,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:52:10,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:52:10,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:52:10,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:52:10,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:52:10,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:52:10,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:52:10,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:52:10,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:52:10,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:52:10,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:52:10,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:52:10,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:52:10,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:52:10,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:52:10,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:52:10,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:52:10,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:52:10,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:52:10,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:52:10,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:52:10,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:52:10,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:52:10,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:52:10,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 00:52:10,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:52:10,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:52:10,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:52:10,141 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:52:10,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:52:10,142 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:52:10,142 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:52:10,142 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:52:10,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:52:10,143 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:52:10,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:52:10,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:52:10,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:52:10,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:52:10,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:52:10,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:52:10,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:52:10,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:52:10,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:52:10,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:52:10,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:52:10,146 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:52:10,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:52:10,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:52:10,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:52:10,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:52:10,147 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:52:10,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:52:10,147 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:52:10,147 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:52:10,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:52:10,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:52:10,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:52:10,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:52:10,213 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:52:10,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ieee802154--mrf24j40.ko-entry_point.cil.out.i [2019-10-03 00:52:10,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816b26380/98514fe9a6da48a3a79e2cce8dcf6194/FLAG087f7b33a [2019-10-03 00:52:11,101 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:52:11,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ieee802154--mrf24j40.ko-entry_point.cil.out.i [2019-10-03 00:52:11,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816b26380/98514fe9a6da48a3a79e2cce8dcf6194/FLAG087f7b33a [2019-10-03 00:52:11,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816b26380/98514fe9a6da48a3a79e2cce8dcf6194 [2019-10-03 00:52:11,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:52:11,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:52:11,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:52:11,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:52:11,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:52:11,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:52:11" (1/1) ... [2019-10-03 00:52:11,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df463d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:11, skipping insertion in model container [2019-10-03 00:52:11,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:52:11" (1/1) ... [2019-10-03 00:52:11,659 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:52:11,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:52:13,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:52:13,286 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:52:13,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:52:13,832 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:52:13,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13 WrapperNode [2019-10-03 00:52:13,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:52:13,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:52:13,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:52:13,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:52:13,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (1/1) ... [2019-10-03 00:52:13,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (1/1) ... [2019-10-03 00:52:13,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (1/1) ... [2019-10-03 00:52:13,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (1/1) ... [2019-10-03 00:52:14,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (1/1) ... [2019-10-03 00:52:14,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (1/1) ... [2019-10-03 00:52:14,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (1/1) ... [2019-10-03 00:52:14,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:52:14,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:52:14,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:52:14,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:52:14,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:52:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:52:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:52:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 00:52:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 00:52:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-03 00:52:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-03 00:52:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_completion [2019-10-03 00:52:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-03 00:52:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-10-03 00:52:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-03 00:52:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 00:52:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 00:52:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:52:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:52:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:52:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:52:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:52:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:52:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:52:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:52:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:52:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2019-10-03 00:52:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2019-10-03 00:52:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2019-10-03 00:52:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2019-10-03 00:52:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2019-10-03 00:52:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2019-10-03 00:52:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure write_short_reg [2019-10-03 00:52:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure read_short_reg [2019-10-03 00:52:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure read_long_reg [2019-10-03 00:52:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure write_long_reg [2019-10-03 00:52:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure write_tx_buf [2019-10-03 00:52:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_read_rx_buf [2019-10-03 00:52:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_tx [2019-10-03 00:52:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_ed [2019-10-03 00:52:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_start [2019-10-03 00:52:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_stop [2019-10-03 00:52:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_set_channel [2019-10-03 00:52:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_filter [2019-10-03 00:52:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_handle_rx [2019-10-03 00:52:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_isr [2019-10-03 00:52:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_probe [2019-10-03 00:52:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_remove [2019-10-03 00:52:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_driver_init [2019-10-03 00:52:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure mrf24j40_driver_exit [2019-10-03 00:52:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-10-03 00:52:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-10-03 00:52:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee802154_ops_4 [2019-10-03 00:52:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-10-03 00:52:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-03 00:52:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-03 00:52:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-03 00:52:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-03 00:52:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_3 [2019-10-03 00:52:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-10-03 00:52:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-03 00:52:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-10-03 00:52:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:52:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:52:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:52:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:52:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:52:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_11 [2019-10-03 00:52:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-03 00:52:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_13 [2019-10-03 00:52:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-10-03 00:52:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_15 [2019-10-03 00:52:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:52:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:52:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:52:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:52:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:52:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:52:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:52:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:52:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:52:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:52:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:52:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:52:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:52:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:52:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:52:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:52:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:52:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-03 00:52:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-03 00:52:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 00:52:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 00:52:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-03 00:52:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 00:52:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-03 00:52:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-10-03 00:52:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-10-03 00:52:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-10-03 00:52:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_alloc_device [2019-10-03 00:52:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_free_device [2019-10-03 00:52:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_register_device [2019-10-03 00:52:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_rx_irqsafe [2019-10-03 00:52:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee802154_unregister_device [2019-10-03 00:52:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2019-10-03 00:52:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2019-10-03 00:52:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-03 00:52:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 00:52:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:52:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 00:52:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-03 00:52:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2019-10-03 00:52:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2019-10-03 00:52:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-03 00:52:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:52:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:52:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:52:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:52:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:52:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:52:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:52:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:52:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-03 00:52:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 00:52:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:52:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 00:52:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-03 00:52:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:52:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-03 00:52:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:52:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:52:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 00:52:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-03 00:52:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:52:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:52:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:52:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_completion [2019-10-03 00:52:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2019-10-03 00:52:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-03 00:52:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 00:52:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-03 00:52:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 00:52:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-03 00:52:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-10-03 00:52:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-10-03 00:52:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-10-03 00:52:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-03 00:52:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 00:52:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 00:52:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 00:52:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-03 00:52:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:52:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:52:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:52:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-03 00:52:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-10-03 00:52:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:52:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_13 [2019-10-03 00:52:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 00:52:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-03 00:52:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:52:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:52:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:52:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:52:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:52:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:52:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:52:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:52:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:52:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:52:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:52:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:52:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:52:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:52:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:52:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:52:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:52:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:52:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-10-03 00:52:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-10-03 00:52:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee802154_ops_4 [2019-10-03 00:52:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-10-03 00:52:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-03 00:52:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-03 00:52:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-03 00:52:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-03 00:52:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_3 [2019-10-03 00:52:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-10-03 00:52:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-03 00:52:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-10-03 00:52:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2019-10-03 00:52:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2019-10-03 00:52:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2019-10-03 00:52:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2019-10-03 00:52:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2019-10-03 00:52:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:52:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2019-10-03 00:52:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2019-10-03 00:52:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:52:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-10-03 00:52:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_11 [2019-10-03 00:52:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_15 [2019-10-03 00:52:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-03 00:52:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_alloc_device [2019-10-03 00:52:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_free_device [2019-10-03 00:52:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_register_device [2019-10-03 00:52:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_unregister_device [2019-10-03 00:52:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure ieee802154_rx_irqsafe [2019-10-03 00:52:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure write_short_reg [2019-10-03 00:52:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read_short_reg [2019-10-03 00:52:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure read_long_reg [2019-10-03 00:52:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure write_long_reg [2019-10-03 00:52:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure write_tx_buf [2019-10-03 00:52:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_read_rx_buf [2019-10-03 00:52:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_tx [2019-10-03 00:52:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_ed [2019-10-03 00:52:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_start [2019-10-03 00:52:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_stop [2019-10-03 00:52:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_set_channel [2019-10-03 00:52:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_filter [2019-10-03 00:52:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:52:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_handle_rx [2019-10-03 00:52:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_isr [2019-10-03 00:52:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_probe [2019-10-03 00:52:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_remove [2019-10-03 00:52:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_driver_init [2019-10-03 00:52:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrf24j40_driver_exit [2019-10-03 00:52:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2019-10-03 00:52:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:52:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:52:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2019-10-03 00:52:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:52:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:52:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:52:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:52:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:52:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:52:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:52:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:52:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:52:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:52:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:52:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:52:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:52:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:52:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:52:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 00:52:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:52:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:52:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:52:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:52:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:52:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:52:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:52:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:52:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:52:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:52:18,384 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:52:35,138 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:52:35,139 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-03 00:52:35,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:52:35 BoogieIcfgContainer [2019-10-03 00:52:35,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:52:35,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:52:35,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:52:35,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:52:35,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:52:11" (1/3) ... [2019-10-03 00:52:35,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b703095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:52:35, skipping insertion in model container [2019-10-03 00:52:35,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:52:13" (2/3) ... [2019-10-03 00:52:35,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b703095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:52:35, skipping insertion in model container [2019-10-03 00:52:35,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:52:35" (3/3) ... [2019-10-03 00:52:35,155 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 [2019-10-03 00:52:35,173 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:52:35,188 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:52:35,204 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:52:35,257 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:52:35,258 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:52:35,258 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:52:35,258 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:52:35,258 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:52:35,258 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:52:35,258 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:52:35,259 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:52:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states. [2019-10-03 00:52:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-03 00:52:35,323 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:52:35,325 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] [2019-10-03 00:52:35,328 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:52:35,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:52:35,335 INFO L82 PathProgramCache]: Analyzing trace with hash 360479612, now seen corresponding path program 1 times [2019-10-03 00:52:35,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:52:35,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:35,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:52:35,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:35,436 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:52:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:52:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-03 00:52:36,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:52:36,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:52:36,216 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:52:36,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:52:36,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:52:36,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:52:36,244 INFO L87 Difference]: Start difference. First operand 828 states. Second operand 3 states. [2019-10-03 00:52:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:52:38,098 INFO L93 Difference]: Finished difference Result 1519 states and 2022 transitions. [2019-10-03 00:52:38,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:52:38,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-03 00:52:38,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:52:38,175 INFO L225 Difference]: With dead ends: 1519 [2019-10-03 00:52:38,176 INFO L226 Difference]: Without dead ends: 1494 [2019-10-03 00:52:38,179 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:52:38,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-10-03 00:52:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1494. [2019-10-03 00:52:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2019-10-03 00:52:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1981 transitions. [2019-10-03 00:52:38,413 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1981 transitions. Word has length 58 [2019-10-03 00:52:38,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:52:38,414 INFO L475 AbstractCegarLoop]: Abstraction has 1494 states and 1981 transitions. [2019-10-03 00:52:38,414 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:52:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1981 transitions. [2019-10-03 00:52:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-03 00:52:38,425 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:52:38,426 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] [2019-10-03 00:52:38,426 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:52:38,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:52:38,427 INFO L82 PathProgramCache]: Analyzing trace with hash -94218510, now seen corresponding path program 1 times [2019-10-03 00:52:38,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:52:38,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:38,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:52:38,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:38,440 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:52:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:52:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-03 00:52:38,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:52:38,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:52:38,878 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:52:38,882 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:52:38,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:52:38,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:52:38,883 INFO L87 Difference]: Start difference. First operand 1494 states and 1981 transitions. Second operand 6 states. [2019-10-03 00:52:42,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:52:42,569 INFO L93 Difference]: Finished difference Result 2973 states and 3978 transitions. [2019-10-03 00:52:42,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:52:42,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-03 00:52:42,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:52:42,600 INFO L225 Difference]: With dead ends: 2973 [2019-10-03 00:52:42,601 INFO L226 Difference]: Without dead ends: 2952 [2019-10-03 00:52:42,602 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 [2019-10-03 00:52:42,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2019-10-03 00:52:42,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 2952. [2019-10-03 00:52:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2952 states. [2019-10-03 00:52:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2952 states and 3954 transitions. [2019-10-03 00:52:42,773 INFO L78 Accepts]: Start accepts. Automaton has 2952 states and 3954 transitions. Word has length 62 [2019-10-03 00:52:42,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:52:42,773 INFO L475 AbstractCegarLoop]: Abstraction has 2952 states and 3954 transitions. [2019-10-03 00:52:42,773 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:52:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 3954 transitions. [2019-10-03 00:52:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-10-03 00:52:42,802 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:52:42,803 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] [2019-10-03 00:52:42,804 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:52:42,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:52:42,804 INFO L82 PathProgramCache]: Analyzing trace with hash 619656332, now seen corresponding path program 1 times [2019-10-03 00:52:42,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:52:42,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:42,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:52:42,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:42,817 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:52:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:52:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-03 00:52:43,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:52:43,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 00:52:43,468 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:52:43,469 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 00:52:43,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 00:52:43,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:52:43,470 INFO L87 Difference]: Start difference. First operand 2952 states and 3954 transitions. Second operand 7 states. [2019-10-03 00:54:13,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:13,927 INFO L93 Difference]: Finished difference Result 5960 states and 8013 transitions. [2019-10-03 00:54:13,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-03 00:54:13,928 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 322 [2019-10-03 00:54:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:13,985 INFO L225 Difference]: With dead ends: 5960 [2019-10-03 00:54:13,985 INFO L226 Difference]: Without dead ends: 5960 [2019-10-03 00:54:13,987 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 [2019-10-03 00:54:13,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5960 states. [2019-10-03 00:54:14,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5960 to 5900. [2019-10-03 00:54:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5900 states. [2019-10-03 00:54:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5900 states to 5900 states and 7939 transitions. [2019-10-03 00:54:14,295 INFO L78 Accepts]: Start accepts. Automaton has 5900 states and 7939 transitions. Word has length 322 [2019-10-03 00:54:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:14,300 INFO L475 AbstractCegarLoop]: Abstraction has 5900 states and 7939 transitions. [2019-10-03 00:54:14,300 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 00:54:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5900 states and 7939 transitions. [2019-10-03 00:54:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-10-03 00:54:14,338 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:14,340 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] [2019-10-03 00:54:14,340 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:14,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:14,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1965136656, now seen corresponding path program 1 times [2019-10-03 00:54:14,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:14,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:14,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:14,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:14,352 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-03 00:54:14,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:54:14,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 00:54:14,754 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:14,755 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 00:54:14,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 00:54:14,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:54:14,755 INFO L87 Difference]: Start difference. First operand 5900 states and 7939 transitions. Second operand 7 states. [2019-10-03 00:55:41,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:41,764 INFO L93 Difference]: Finished difference Result 11068 states and 14817 transitions. [2019-10-03 00:55:41,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-03 00:55:41,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2019-10-03 00:55:41,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:41,906 INFO L225 Difference]: With dead ends: 11068 [2019-10-03 00:55:41,906 INFO L226 Difference]: Without dead ends: 11068 [2019-10-03 00:55:41,907 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 [2019-10-03 00:55:41,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11068 states. [2019-10-03 00:55:42,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11068 to 10914. [2019-10-03 00:55:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10914 states. [2019-10-03 00:55:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10914 states to 10914 states and 14629 transitions. [2019-10-03 00:55:42,300 INFO L78 Accepts]: Start accepts. Automaton has 10914 states and 14629 transitions. Word has length 319 [2019-10-03 00:55:42,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:42,306 INFO L475 AbstractCegarLoop]: Abstraction has 10914 states and 14629 transitions. [2019-10-03 00:55:42,306 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 00:55:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 10914 states and 14629 transitions. [2019-10-03 00:55:42,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-10-03 00:55:42,353 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:42,354 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] [2019-10-03 00:55:42,355 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:42,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:42,356 INFO L82 PathProgramCache]: Analyzing trace with hash -314928964, now seen corresponding path program 1 times [2019-10-03 00:55:42,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:42,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:42,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:42,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:42,366 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-03 00:55:42,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:42,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:55:42,770 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:42,771 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:55:42,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:55:42,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:55:42,772 INFO L87 Difference]: Start difference. First operand 10914 states and 14629 transitions. Second operand 6 states. [2019-10-03 00:55:46,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:46,783 INFO L93 Difference]: Finished difference Result 16998 states and 22803 transitions. [2019-10-03 00:55:46,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 00:55:46,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 320 [2019-10-03 00:55:46,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:46,878 INFO L225 Difference]: With dead ends: 16998 [2019-10-03 00:55:46,878 INFO L226 Difference]: Without dead ends: 16998 [2019-10-03 00:55:46,878 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 [2019-10-03 00:55:46,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16998 states. [2019-10-03 00:55:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16998 to 16902. [2019-10-03 00:55:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16902 states. [2019-10-03 00:55:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16902 states to 16902 states and 22667 transitions. [2019-10-03 00:55:48,079 INFO L78 Accepts]: Start accepts. Automaton has 16902 states and 22667 transitions. Word has length 320 [2019-10-03 00:55:48,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:48,079 INFO L475 AbstractCegarLoop]: Abstraction has 16902 states and 22667 transitions. [2019-10-03 00:55:48,079 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:55:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 16902 states and 22667 transitions. [2019-10-03 00:55:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2019-10-03 00:55:48,121 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:48,121 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] [2019-10-03 00:55:48,121 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:48,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:48,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1091805379, now seen corresponding path program 1 times [2019-10-03 00:55:48,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:48,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:48,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:48,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:48,134 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:48,467 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-03 00:55:48,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:48,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:55:48,468 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:48,470 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:55:48,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:55:48,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:55:48,470 INFO L87 Difference]: Start difference. First operand 16902 states and 22667 transitions. Second operand 6 states. [2019-10-03 00:55:52,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:52,699 INFO L93 Difference]: Finished difference Result 23146 states and 30969 transitions. [2019-10-03 00:55:52,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 00:55:52,700 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 321 [2019-10-03 00:55:52,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:52,828 INFO L225 Difference]: With dead ends: 23146 [2019-10-03 00:55:52,828 INFO L226 Difference]: Without dead ends: 23146 [2019-10-03 00:55:52,829 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 [2019-10-03 00:55:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23146 states. [2019-10-03 00:55:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23146 to 23042. [2019-10-03 00:55:53,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23042 states. [2019-10-03 00:55:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23042 states to 23042 states and 30825 transitions. [2019-10-03 00:55:54,053 INFO L78 Accepts]: Start accepts. Automaton has 23042 states and 30825 transitions. Word has length 321 [2019-10-03 00:55:54,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:54,054 INFO L475 AbstractCegarLoop]: Abstraction has 23042 states and 30825 transitions. [2019-10-03 00:55:54,054 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:55:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 23042 states and 30825 transitions. [2019-10-03 00:55:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-10-03 00:55:54,119 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:54,120 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] [2019-10-03 00:55:54,120 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:54,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:54,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1512262439, now seen corresponding path program 1 times [2019-10-03 00:55:54,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:54,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:54,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:54,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:54,134 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:55:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-03 00:55:54,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:55:54,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:55:54,627 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:55:54,628 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:55:54,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:55:54,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:55:54,630 INFO L87 Difference]: Start difference. First operand 23042 states and 30825 transitions. Second operand 6 states. [2019-10-03 00:55:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:55:57,967 INFO L93 Difference]: Finished difference Result 23106 states and 30869 transitions. [2019-10-03 00:55:57,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:55:57,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 324 [2019-10-03 00:55:57,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:55:58,067 INFO L225 Difference]: With dead ends: 23106 [2019-10-03 00:55:58,068 INFO L226 Difference]: Without dead ends: 23106 [2019-10-03 00:55:58,068 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 [2019-10-03 00:55:58,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23106 states. [2019-10-03 00:55:58,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23106 to 23042. [2019-10-03 00:55:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23042 states. [2019-10-03 00:55:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23042 states to 23042 states and 30765 transitions. [2019-10-03 00:55:59,705 INFO L78 Accepts]: Start accepts. Automaton has 23042 states and 30765 transitions. Word has length 324 [2019-10-03 00:55:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:55:59,705 INFO L475 AbstractCegarLoop]: Abstraction has 23042 states and 30765 transitions. [2019-10-03 00:55:59,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:55:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 23042 states and 30765 transitions. [2019-10-03 00:55:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-03 00:55:59,741 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:55:59,742 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] [2019-10-03 00:55:59,742 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:55:59,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:55:59,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1596201274, now seen corresponding path program 1 times [2019-10-03 00:55:59,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:55:59,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:59,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:55:59,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:55:59,751 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:55:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:56:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-03 00:56:00,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:56:00,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:56:00,087 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:56:00,089 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:56:00,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:56:00,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:56:00,089 INFO L87 Difference]: Start difference. First operand 23042 states and 30765 transitions. Second operand 6 states. [2019-10-03 00:56:03,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:56:03,351 INFO L93 Difference]: Finished difference Result 23106 states and 30793 transitions. [2019-10-03 00:56:03,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:56:03,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 325 [2019-10-03 00:56:03,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:56:03,440 INFO L225 Difference]: With dead ends: 23106 [2019-10-03 00:56:03,440 INFO L226 Difference]: Without dead ends: 23106 [2019-10-03 00:56:03,441 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 [2019-10-03 00:56:03,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23106 states. [2019-10-03 00:56:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23106 to 23042. [2019-10-03 00:56:03,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23042 states. [2019-10-03 00:56:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23042 states to 23042 states and 30705 transitions. [2019-10-03 00:56:04,004 INFO L78 Accepts]: Start accepts. Automaton has 23042 states and 30705 transitions. Word has length 325 [2019-10-03 00:56:04,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:56:04,005 INFO L475 AbstractCegarLoop]: Abstraction has 23042 states and 30705 transitions. [2019-10-03 00:56:04,005 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:56:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 23042 states and 30705 transitions. [2019-10-03 00:56:04,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-10-03 00:56:04,023 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:56:04,024 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] [2019-10-03 00:56:04,024 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:56:04,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:56:04,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1780510601, now seen corresponding path program 1 times [2019-10-03 00:56:04,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:56:04,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:56:04,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:56:04,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:56:04,033 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:56:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:56:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-03 00:56:04,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:56:04,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:56:04,668 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:56:04,669 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:56:04,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:56:04,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:56:04,669 INFO L87 Difference]: Start difference. First operand 23042 states and 30705 transitions. Second operand 6 states. [2019-10-03 00:56:08,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:56:08,721 INFO L93 Difference]: Finished difference Result 29310 states and 38967 transitions. [2019-10-03 00:56:08,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 00:56:08,722 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 322 [2019-10-03 00:56:08,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:56:08,856 INFO L225 Difference]: With dead ends: 29310 [2019-10-03 00:56:08,856 INFO L226 Difference]: Without dead ends: 29166 [2019-10-03 00:56:08,857 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 [2019-10-03 00:56:08,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29166 states. [2019-10-03 00:56:09,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29166 to 29058. [2019-10-03 00:56:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29058 states. [2019-10-03 00:56:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29058 states to 29058 states and 38631 transitions. [2019-10-03 00:56:09,759 INFO L78 Accepts]: Start accepts. Automaton has 29058 states and 38631 transitions. Word has length 322 [2019-10-03 00:56:09,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:56:09,760 INFO L475 AbstractCegarLoop]: Abstraction has 29058 states and 38631 transitions. [2019-10-03 00:56:09,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:56:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 29058 states and 38631 transitions. [2019-10-03 00:56:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-10-03 00:56:09,778 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:56:09,779 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] [2019-10-03 00:56:09,780 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:56:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:56:09,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1992376345, now seen corresponding path program 1 times [2019-10-03 00:56:09,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:56:09,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:56:09,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:56:09,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:56:09,794 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:56:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:56:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2019-10-03 00:56:10,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:56:10,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:56:10,352 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:56:10,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:56:10,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:56:10,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:56:10,354 INFO L87 Difference]: Start difference. First operand 29058 states and 38631 transitions. Second operand 6 states. [2019-10-03 00:56:13,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:56:13,590 INFO L93 Difference]: Finished difference Result 29138 states and 38625 transitions. [2019-10-03 00:56:13,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:56:13,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 323 [2019-10-03 00:56:13,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:56:13,724 INFO L225 Difference]: With dead ends: 29138 [2019-10-03 00:56:13,724 INFO L226 Difference]: Without dead ends: 28110 [2019-10-03 00:56:13,725 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 [2019-10-03 00:56:13,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28110 states. [2019-10-03 00:56:14,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28110 to 28066. [2019-10-03 00:56:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28066 states. [2019-10-03 00:56:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28066 states to 28066 states and 37266 transitions. [2019-10-03 00:56:14,453 INFO L78 Accepts]: Start accepts. Automaton has 28066 states and 37266 transitions. Word has length 323 [2019-10-03 00:56:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:56:14,454 INFO L475 AbstractCegarLoop]: Abstraction has 28066 states and 37266 transitions. [2019-10-03 00:56:14,454 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:56:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 28066 states and 37266 transitions. [2019-10-03 00:56:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2019-10-03 00:56:14,474 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:56:14,475 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] [2019-10-03 00:56:14,475 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:56:14,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:56:14,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1305731031, now seen corresponding path program 1 times [2019-10-03 00:56:14,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:56:14,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:56:14,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:56:14,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:56:14,484 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:56:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:56:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2019-10-03 00:56:14,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:56:14,856 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:56:14,858 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2019-10-03 00:56:14,861 INFO L207 CegarAbsIntRunner]: [46], [47], [82], [176], [182], [203], [231], [233], [234], [235], [237], [241], [243], [244], [372], [374], [375], [398], [399], [400], [462], [464], [465], [474], [480], [481], [580], [584], [586], [589], [594], [595], [598], [599], [602], [603], [606], [607], [616], [618], [620], [622], [624], [626], [762], [765], [768], [774], [777], [780], [792], [795], [798], [800], [808], [812], [917], [918], [919], [922], [946], [949], [952], [954], [968], [970], [971], [972], [974], [976], [1030], [1034], [1036], [1041], [1044], [1045], [1046], [1055], [1060], [1072], [1076], [1191], [1192], [1247], [1249], [1254], [1256], [1258], [1261], [1288], [1291], [1295], [1339], [1341], [1446], [1448], [1453], [1459], [1461], [1464], [1466], [1470], [1471], [1525], [1528], [1530], [1563], [1566], [1567], [1601], [1603], [1608], [1612], [1615], [1619], [1649], [1650], [1683], [1684], [1685], [1686], [1687], [1688], [1751], [1752], [1771], [1772], [1807], [1808], [1809], [1810], [1811], [1812], [1813], [1814], [1815], [1816], [1821], [1822], [1823], [1824], [1825], [1826], [1827], [1828], [1851], [1852], [1855], [1856], [1873], [1877], [1878], [1881], [1882], [1883], [1884], [1891], [1892], [1893], [1894], [1895], [1896], [1897], [1898], [1899], [1900], [1929], [1930], [1931], [1932], [1933], [1934], [1947], [1948], [1967], [1968], [1997], [1998], [2001], [2002], [2019], [2020], [2041], [2042], [2043], [2047], [2048], [2049] [2019-10-03 00:56:14,932 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:56:14,933 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:56:15,126 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:56:15,128 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 264 root evaluator evaluations with a maximum evaluation depth of 0. Performed 264 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 538 variables. [2019-10-03 00:56:15,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:56:15,134 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:56:15,258 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:56:15,258 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:56:15,270 INFO L420 sIntCurrentIteration]: We unified 334 AI predicates to 334 [2019-10-03 00:56:15,271 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:56:15,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:56:15,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2019-10-03 00:56:15,274 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:56:15,274 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:56:15,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:56:15,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:56:15,275 INFO L87 Difference]: Start difference. First operand 28066 states and 37266 transitions. Second operand 2 states. [2019-10-03 00:56:15,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:56:15,276 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:56:15,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:56:15,276 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 335 [2019-10-03 00:56:15,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:56:15,277 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:56:15,277 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:56:15,278 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:56:15,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:56:15,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:56:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:56:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:56:15,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 335 [2019-10-03 00:56:15,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:56:15,279 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:56:15,279 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:56:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:56:15,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:56:15,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:56:15 BoogieIcfgContainer [2019-10-03 00:56:15,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:56:15,291 INFO L168 Benchmark]: Toolchain (without parser) took 243648.26 ms. Allocated memory was 137.9 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 76.0 MB in the beginning and 368.9 MB in the end (delta: -292.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-03 00:56:15,292 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-03 00:56:15,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2192.94 ms. Allocated memory was 137.9 MB in the beginning and 273.7 MB in the end (delta: 135.8 MB). Free memory was 75.8 MB in the beginning and 217.4 MB in the end (delta: -141.6 MB). Peak memory consumption was 108.0 MB. Max. memory is 7.1 GB. [2019-10-03 00:56:15,297 INFO L168 Benchmark]: Boogie Preprocessor took 306.63 ms. Allocated memory is still 273.7 MB. Free memory was 217.4 MB in the beginning and 198.4 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-10-03 00:56:15,302 INFO L168 Benchmark]: RCFGBuilder took 21001.18 ms. Allocated memory was 273.7 MB in the beginning and 590.3 MB in the end (delta: 316.7 MB). Free memory was 198.4 MB in the beginning and 49.4 MB in the end (delta: 149.0 MB). Peak memory consumption was 488.9 MB. Max. memory is 7.1 GB. [2019-10-03 00:56:15,303 INFO L168 Benchmark]: TraceAbstraction took 220142.66 ms. Allocated memory was 590.3 MB in the beginning and 1.5 GB in the end (delta: 920.1 MB). Free memory was 49.4 MB in the beginning and 368.9 MB in the end (delta: -319.5 MB). Peak memory consumption was 600.6 MB. Max. memory is 7.1 GB. [2019-10-03 00:56:15,314 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2192.94 ms. Allocated memory was 137.9 MB in the beginning and 273.7 MB in the end (delta: 135.8 MB). Free memory was 75.8 MB in the beginning and 217.4 MB in the end (delta: -141.6 MB). Peak memory consumption was 108.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 306.63 ms. Allocated memory is still 273.7 MB. Free memory was 217.4 MB in the beginning and 198.4 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21001.18 ms. Allocated memory was 273.7 MB in the beginning and 590.3 MB in the end (delta: 316.7 MB). Free memory was 198.4 MB in the beginning and 49.4 MB in the end (delta: 149.0 MB). Peak memory consumption was 488.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 220142.66 ms. Allocated memory was 590.3 MB in the beginning and 1.5 GB in the end (delta: 920.1 MB). Free memory was 49.4 MB in the beginning and 368.9 MB in the end (delta: -319.5 MB). Peak memory consumption was 600.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5533]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 114 procedures, 932 locations, 1 error locations. SAFE Result, 220.0s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 206.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13346 SDtfs, 15073 SDslu, 31520 SDs, 0 SdLazy, 12320 SolverSat, 1977 SolverUnsat, 77 SolverUnknown, 0 SolverNotchecked, 197.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29058occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.808383233532934 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 694 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3031 NumberOfCodeBlocks, 3031 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3020 ConstructedInterpolants, 0 QuantifiedInterpolants, 1162470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 2498/2503 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...