/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 23:34:26,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:34:26,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:34:26,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:34:26,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:34:26,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:34:26,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:34:26,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:34:26,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:34:26,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:34:26,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:34:26,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:34:26,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:34:26,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:34:26,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:34:26,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:34:26,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:34:26,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:34:26,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:34:26,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:34:26,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:34:26,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:34:26,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:34:26,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:34:26,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:34:26,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:34:26,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:34:26,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:34:26,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:34:26,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:34:26,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:34:26,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:34:26,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:34:26,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:34:26,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:34:26,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:34:26,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:34:26,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:34:26,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:34:26,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:34:26,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:34:26,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 23:34:26,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:34:26,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:34:26,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:34:26,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:34:26,505 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:34:26,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:34:26,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:34:26,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:34:26,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:34:26,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:34:26,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:34:26,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:34:26,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:34:26,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:34:26,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:34:26,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:34:26,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:34:26,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:34:26,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:34:26,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:34:26,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:34:26,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:34:26,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:34:26,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:34:26,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:34:26,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:34:26,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:34:26,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:34:26,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 23:34:26,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:34:26,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:34:26,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:34:26,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:34:26,799 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:34:26,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-11-06 23:34:26,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b82300c2c/031703d6dfbd4882800b1a434ca11567/FLAG615d1e8f2 [2019-11-06 23:34:27,680 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:34:27,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-11-06 23:34:27,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b82300c2c/031703d6dfbd4882800b1a434ca11567/FLAG615d1e8f2 [2019-11-06 23:34:28,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b82300c2c/031703d6dfbd4882800b1a434ca11567 [2019-11-06 23:34:28,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:34:28,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:34:28,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:34:28,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:34:28,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:34:28,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:34:28" (1/1) ... [2019-11-06 23:34:28,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9a4c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:28, skipping insertion in model container [2019-11-06 23:34:28,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:34:28" (1/1) ... [2019-11-06 23:34:28,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:34:28,576 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:34:30,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:34:30,391 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:34:30,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:34:31,043 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:34:31,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31 WrapperNode [2019-11-06 23:34:31,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:34:31,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:34:31,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:34:31,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:34:31,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (1/1) ... [2019-11-06 23:34:31,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (1/1) ... [2019-11-06 23:34:31,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (1/1) ... [2019-11-06 23:34:31,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (1/1) ... [2019-11-06 23:34:31,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (1/1) ... [2019-11-06 23:34:31,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (1/1) ... [2019-11-06 23:34:31,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (1/1) ... [2019-11-06 23:34:31,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:34:31,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:34:31,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:34:31,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:34:31,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (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 [2019-11-06 23:34:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:34:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:34:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2019-11-06 23:34:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2019-11-06 23:34:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 23:34:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-06 23:34:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-06 23:34:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-11-06 23:34:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-06 23:34:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 23:34:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-06 23:34:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:34:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 23:34:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 23:34:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 23:34:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 23:34:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:34:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 23:34:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:34:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 23:34:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-11-06 23:34:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-06 23:34:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-06 23:34:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-11-06 23:34:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-11-06 23:34:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-11-06 23:34:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-06 23:34:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-11-06 23:34:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-06 23:34:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-11-06 23:34:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-11-06 23:34:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2019-11-06 23:34:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_write_cmdreg [2019-11-06 23:34:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_is_absent [2019-11-06 23:34:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_probe_chip [2019-11-06 23:34:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure set_reset_mode [2019-11-06 23:34:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure set_normal_mode [2019-11-06 23:34:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start [2019-11-06 23:34:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_mode [2019-11-06 23:34:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_set_bittiming [2019-11-06 23:34:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_get_berr_counter [2019-11-06 23:34:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure chipset_init [2019-11-06 23:34:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_start_xmit [2019-11-06 23:34:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_rx [2019-11-06 23:34:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_err [2019-11-06 23:34:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_interrupt [2019-11-06 23:34:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_open [2019-11-06 23:34:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_close [2019-11-06 23:34:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_sja1000dev [2019-11-06 23:34:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure free_sja1000dev [2019-11-06 23:34:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sja1000dev [2019-11-06 23:34:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sja1000dev [2019-11-06 23:34:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_init [2019-11-06 23:34:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sja1000_exit [2019-11-06 23:34:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-11-06 23:34:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-11-06 23:34:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-11-06 23:34:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-11-06 23:34:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-11-06 23:34:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-11-06 23:34:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:34:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-11-06 23:34:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-11-06 23:34:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-11-06 23:34:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-11-06 23:34:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-11-06 23:34:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-11-06 23:34:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-11-06 23:34:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2019-11-06 23:34:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_15 [2019-11-06 23:34:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2019-11-06 23:34:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-11-06 23:34:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-11-06 23:34:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-11-06 23:34:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-11-06 23:34:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-11-06 23:34:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 23:34:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-06 23:34:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-06 23:34:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-06 23:34:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-11-06 23:34:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:34:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-11-06 23:34:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-11-06 23:34:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-11-06 23:34:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-11-06 23:34:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-11-06 23:34:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:34:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-06 23:34:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-11-06 23:34:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-11-06 23:34:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 23:34:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-06 23:34:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:34:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-11-06 23:34:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-11-06 23:34:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-11-06 23:34:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-11-06 23:34:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-11-06 23:34:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-11-06 23:34:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-11-06 23:34:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-11-06 23:34:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-11-06 23:34:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-11-06 23:34:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-11-06 23:34:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-11-06 23:34:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-06 23:34:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-11-06 23:34:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-11-06 23:34:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-11-06 23:34:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-11-06 23:34:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-11-06 23:34:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-11-06 23:34:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:34:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-11-06 23:34:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-11-06 23:34:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-11-06 23:34:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-06 23:34:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:34:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:34:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 23:34:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:34:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:34:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-06 23:34:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-06 23:34:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-11-06 23:34:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-06 23:34:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:34:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:34:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-11-06 23:34:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-06 23:34:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 23:34:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-06 23:34:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:34:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 23:34:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-06 23:34:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-11-06 23:34:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-11-06 23:34:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-11-06 23:34:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-11-06 23:34:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-11-06 23:34:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-11-06 23:34:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-11-06 23:34:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-11-06 23:34:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:34:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 23:34:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:34:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:34:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:34:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:34:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:34:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:34:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 23:34:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 23:34:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 23:34:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 23:34:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 23:34:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:34:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 23:34:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 23:34:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-11-06 23:34:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-11-06 23:34:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-11-06 23:34:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-11-06 23:34:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-11-06 23:34:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-11-06 23:34:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-11-06 23:34:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-11-06 23:34:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_15 [2019-11-06 23:34:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-06 23:34:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2019-11-06 23:34:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-06 23:34:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-06 23:34:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:34:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-06 23:34:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-11-06 23:34:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-11-06 23:34:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-11-06 23:34:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-11-06 23:34:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-06 23:34:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-11-06 23:34:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:34:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-06 23:34:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-11-06 23:34:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-11-06 23:34:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-11-06 23:34:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2019-11-06 23:34:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-11-06 23:34:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-11-06 23:34:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-11-06 23:34:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-11-06 23:34:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-11-06 23:34:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2019-11-06 23:34:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:34:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-11-06 23:34:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-11-06 23:34:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-11-06 23:34:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-11-06 23:34:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-11-06 23:34:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-11-06 23:34:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-11-06 23:34:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-11-06 23:34:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-11-06 23:34:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-11-06 23:34:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-11-06 23:34:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-11-06 23:34:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-11-06 23:34:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_sja1000dev [2019-11-06 23:34:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure free_sja1000dev [2019-11-06 23:34:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure register_sja1000dev [2019-11-06 23:34:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sja1000dev [2019-11-06 23:34:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_interrupt [2019-11-06 23:34:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_write_cmdreg [2019-11-06 23:34:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2019-11-06 23:34:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2019-11-06 23:34:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_is_absent [2019-11-06 23:34:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_probe_chip [2019-11-06 23:34:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure set_reset_mode [2019-11-06 23:34:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure set_normal_mode [2019-11-06 23:34:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start [2019-11-06 23:34:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_mode [2019-11-06 23:34:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_set_bittiming [2019-11-06 23:34:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_get_berr_counter [2019-11-06 23:34:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure chipset_init [2019-11-06 23:34:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_start_xmit [2019-11-06 23:34:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_rx [2019-11-06 23:34:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:34:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_err [2019-11-06 23:34:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:34:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 23:34:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_open [2019-11-06 23:34:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_close [2019-11-06 23:34:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_init [2019-11-06 23:34:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure sja1000_exit [2019-11-06 23:34:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-11-06 23:34:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-11-06 23:34:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:34:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 23:34:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:34:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:34:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:34:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:34:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:34:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:34:32,476 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 23:34:34,803 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:34:34,803 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 23:34:34,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:34:34 BoogieIcfgContainer [2019-11-06 23:34:34,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:34:34,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:34:34,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:34:34,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:34:34,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:34:28" (1/3) ... [2019-11-06 23:34:34,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234eb59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:34:34, skipping insertion in model container [2019-11-06 23:34:34,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:34:31" (2/3) ... [2019-11-06 23:34:34,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234eb59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:34:34, skipping insertion in model container [2019-11-06 23:34:34,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:34:34" (3/3) ... [2019-11-06 23:34:34,825 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--sja1000--sja1000.ko-entry_point.cil.out.i [2019-11-06 23:34:34,836 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:34:34,850 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:34:34,862 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:34:34,904 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:34:34,904 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:34:34,904 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:34:34,904 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:34:34,904 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:34:34,904 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:34:34,904 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:34:34,905 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:34:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states. [2019-11-06 23:34:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-06 23:34:34,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:34,963 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:34:34,965 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:34,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:34,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1121687713, now seen corresponding path program 1 times [2019-11-06 23:34:34,977 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:34,978 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325170468] [2019-11-06 23:34:34,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:34:35,599 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325170468] [2019-11-06 23:34:35,600 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:35,600 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:34:35,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49789622] [2019-11-06 23:34:35,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:34:35,610 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:35,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:34:35,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:34:35,629 INFO L87 Difference]: Start difference. First operand 827 states. Second operand 3 states. [2019-11-06 23:34:36,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:36,064 INFO L93 Difference]: Finished difference Result 1990 states and 2654 transitions. [2019-11-06 23:34:36,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:34:36,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-11-06 23:34:36,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:36,095 INFO L225 Difference]: With dead ends: 1990 [2019-11-06 23:34:36,096 INFO L226 Difference]: Without dead ends: 1297 [2019-11-06 23:34:36,104 INFO L630 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 [2019-11-06 23:34:36,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2019-11-06 23:34:36,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1297. [2019-11-06 23:34:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1297 states. [2019-11-06 23:34:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1692 transitions. [2019-11-06 23:34:36,317 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1692 transitions. Word has length 41 [2019-11-06 23:34:36,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:36,318 INFO L462 AbstractCegarLoop]: Abstraction has 1297 states and 1692 transitions. [2019-11-06 23:34:36,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:34:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1692 transitions. [2019-11-06 23:34:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-06 23:34:36,328 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:36,328 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:34:36,329 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:36,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:36,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1934004690, now seen corresponding path program 1 times [2019-11-06 23:34:36,329 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:36,329 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918253998] [2019-11-06 23:34:36,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:34:36,560 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918253998] [2019-11-06 23:34:36,560 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:36,561 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:34:36,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622694191] [2019-11-06 23:34:36,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:34:36,563 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:36,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:34:36,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:34:36,564 INFO L87 Difference]: Start difference. First operand 1297 states and 1692 transitions. Second operand 5 states. [2019-11-06 23:34:36,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:36,794 INFO L93 Difference]: Finished difference Result 2577 states and 3365 transitions. [2019-11-06 23:34:36,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 23:34:36,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2019-11-06 23:34:36,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:36,802 INFO L225 Difference]: With dead ends: 2577 [2019-11-06 23:34:36,803 INFO L226 Difference]: Without dead ends: 1296 [2019-11-06 23:34:36,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:34:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2019-11-06 23:34:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1296. [2019-11-06 23:34:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2019-11-06 23:34:36,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1688 transitions. [2019-11-06 23:34:36,866 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1688 transitions. Word has length 44 [2019-11-06 23:34:36,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:36,867 INFO L462 AbstractCegarLoop]: Abstraction has 1296 states and 1688 transitions. [2019-11-06 23:34:36,867 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:34:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1688 transitions. [2019-11-06 23:34:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-06 23:34:36,871 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:36,871 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:34:36,871 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:36,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:36,871 INFO L82 PathProgramCache]: Analyzing trace with hash -539260528, now seen corresponding path program 1 times [2019-11-06 23:34:36,872 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:36,872 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025203998] [2019-11-06 23:34:36,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-06 23:34:37,114 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025203998] [2019-11-06 23:34:37,114 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:37,114 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:34:37,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100320728] [2019-11-06 23:34:37,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:34:37,115 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:37,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:34:37,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:34:37,116 INFO L87 Difference]: Start difference. First operand 1296 states and 1688 transitions. Second operand 6 states. [2019-11-06 23:34:38,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:38,369 INFO L93 Difference]: Finished difference Result 2580 states and 3397 transitions. [2019-11-06 23:34:38,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:34:38,372 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-11-06 23:34:38,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:38,395 INFO L225 Difference]: With dead ends: 2580 [2019-11-06 23:34:38,395 INFO L226 Difference]: Without dead ends: 2564 [2019-11-06 23:34:38,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-06 23:34:38,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2019-11-06 23:34:38,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2564. [2019-11-06 23:34:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2564 states. [2019-11-06 23:34:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 3381 transitions. [2019-11-06 23:34:38,592 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 3381 transitions. Word has length 65 [2019-11-06 23:34:38,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:38,595 INFO L462 AbstractCegarLoop]: Abstraction has 2564 states and 3381 transitions. [2019-11-06 23:34:38,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:34:38,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3381 transitions. [2019-11-06 23:34:38,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-06 23:34:38,611 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:38,612 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-06 23:34:38,612 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:38,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:38,613 INFO L82 PathProgramCache]: Analyzing trace with hash 186954161, now seen corresponding path program 1 times [2019-11-06 23:34:38,613 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:38,614 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763960658] [2019-11-06 23:34:38,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:39,012 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 23:34:39,012 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763960658] [2019-11-06 23:34:39,013 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:39,014 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:34:39,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889190980] [2019-11-06 23:34:39,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:34:39,018 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:39,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:34:39,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:34:39,019 INFO L87 Difference]: Start difference. First operand 2564 states and 3381 transitions. Second operand 3 states. [2019-11-06 23:34:39,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:39,576 INFO L93 Difference]: Finished difference Result 6629 states and 8758 transitions. [2019-11-06 23:34:39,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:34:39,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-11-06 23:34:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:39,631 INFO L225 Difference]: With dead ends: 6629 [2019-11-06 23:34:39,632 INFO L226 Difference]: Without dead ends: 4081 [2019-11-06 23:34:39,647 INFO L630 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 [2019-11-06 23:34:39,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4081 states. [2019-11-06 23:34:39,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4081 to 4051. [2019-11-06 23:34:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4051 states. [2019-11-06 23:34:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 4051 states and 5333 transitions. [2019-11-06 23:34:40,004 INFO L78 Accepts]: Start accepts. Automaton has 4051 states and 5333 transitions. Word has length 112 [2019-11-06 23:34:40,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:40,005 INFO L462 AbstractCegarLoop]: Abstraction has 4051 states and 5333 transitions. [2019-11-06 23:34:40,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:34:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4051 states and 5333 transitions. [2019-11-06 23:34:40,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-06 23:34:40,017 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:40,018 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-06 23:34:40,018 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:40,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:40,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1243922125, now seen corresponding path program 2 times [2019-11-06 23:34:40,019 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:40,019 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223843258] [2019-11-06 23:34:40,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-06 23:34:40,293 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223843258] [2019-11-06 23:34:40,294 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:40,294 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:34:40,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082018583] [2019-11-06 23:34:40,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:34:40,296 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:40,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:34:40,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:34:40,297 INFO L87 Difference]: Start difference. First operand 4051 states and 5333 transitions. Second operand 3 states. [2019-11-06 23:34:40,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:40,598 INFO L93 Difference]: Finished difference Result 7543 states and 9915 transitions. [2019-11-06 23:34:40,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:34:40,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-11-06 23:34:40,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:40,621 INFO L225 Difference]: With dead ends: 7543 [2019-11-06 23:34:40,621 INFO L226 Difference]: Without dead ends: 3517 [2019-11-06 23:34:40,637 INFO L630 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 [2019-11-06 23:34:40,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2019-11-06 23:34:40,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3489. [2019-11-06 23:34:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3489 states. [2019-11-06 23:34:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4577 transitions. [2019-11-06 23:34:40,900 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4577 transitions. Word has length 112 [2019-11-06 23:34:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:40,900 INFO L462 AbstractCegarLoop]: Abstraction has 3489 states and 4577 transitions. [2019-11-06 23:34:40,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:34:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4577 transitions. [2019-11-06 23:34:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-06 23:34:40,915 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:40,915 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-11-06 23:34:40,915 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:40,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:40,916 INFO L82 PathProgramCache]: Analyzing trace with hash 468006100, now seen corresponding path program 1 times [2019-11-06 23:34:40,916 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:40,916 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412083475] [2019-11-06 23:34:40,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-06 23:34:41,067 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412083475] [2019-11-06 23:34:41,068 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:41,068 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:34:41,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201384965] [2019-11-06 23:34:41,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:34:41,069 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:41,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:34:41,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:34:41,074 INFO L87 Difference]: Start difference. First operand 3489 states and 4577 transitions. Second operand 3 states. [2019-11-06 23:34:41,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:41,390 INFO L93 Difference]: Finished difference Result 7023 states and 9226 transitions. [2019-11-06 23:34:41,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:34:41,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-11-06 23:34:41,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:41,419 INFO L225 Difference]: With dead ends: 7023 [2019-11-06 23:34:41,419 INFO L226 Difference]: Without dead ends: 4269 [2019-11-06 23:34:41,430 INFO L630 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 [2019-11-06 23:34:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4269 states. [2019-11-06 23:34:41,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4269 to 4241. [2019-11-06 23:34:41,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4241 states. [2019-11-06 23:34:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 4241 states and 5560 transitions. [2019-11-06 23:34:41,685 INFO L78 Accepts]: Start accepts. Automaton has 4241 states and 5560 transitions. Word has length 129 [2019-11-06 23:34:41,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:41,685 INFO L462 AbstractCegarLoop]: Abstraction has 4241 states and 5560 transitions. [2019-11-06 23:34:41,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:34:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 5560 transitions. [2019-11-06 23:34:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-06 23:34:41,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:41,702 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:34:41,702 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:41,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:41,703 INFO L82 PathProgramCache]: Analyzing trace with hash -847576212, now seen corresponding path program 1 times [2019-11-06 23:34:41,703 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:41,703 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634752417] [2019-11-06 23:34:41,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 23:34:41,970 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634752417] [2019-11-06 23:34:41,970 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:41,971 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:34:41,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538162969] [2019-11-06 23:34:41,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:34:41,972 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:41,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:34:41,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:34:41,973 INFO L87 Difference]: Start difference. First operand 4241 states and 5560 transitions. Second operand 6 states. [2019-11-06 23:34:44,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:44,110 INFO L93 Difference]: Finished difference Result 12031 states and 15881 transitions. [2019-11-06 23:34:44,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 23:34:44,111 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2019-11-06 23:34:44,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:44,169 INFO L225 Difference]: With dead ends: 12031 [2019-11-06 23:34:44,169 INFO L226 Difference]: Without dead ends: 7815 [2019-11-06 23:34:44,191 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 23:34:44,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7815 states. [2019-11-06 23:34:44,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7815 to 7799. [2019-11-06 23:34:44,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7799 states. [2019-11-06 23:34:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7799 states to 7799 states and 10254 transitions. [2019-11-06 23:34:44,770 INFO L78 Accepts]: Start accepts. Automaton has 7799 states and 10254 transitions. Word has length 174 [2019-11-06 23:34:44,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:44,772 INFO L462 AbstractCegarLoop]: Abstraction has 7799 states and 10254 transitions. [2019-11-06 23:34:44,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:34:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states and 10254 transitions. [2019-11-06 23:34:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-06 23:34:44,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:44,789 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:34:44,789 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:44,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:44,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1972595355, now seen corresponding path program 1 times [2019-11-06 23:34:44,790 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:44,790 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687125141] [2019-11-06 23:34:44,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 23:34:45,061 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687125141] [2019-11-06 23:34:45,061 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:45,062 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:34:45,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227122632] [2019-11-06 23:34:45,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:34:45,063 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:45,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:34:45,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:34:45,064 INFO L87 Difference]: Start difference. First operand 7799 states and 10254 transitions. Second operand 6 states. [2019-11-06 23:34:47,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:47,488 INFO L93 Difference]: Finished difference Result 22663 states and 29906 transitions. [2019-11-06 23:34:47,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 23:34:47,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 175 [2019-11-06 23:34:47,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:47,566 INFO L225 Difference]: With dead ends: 22663 [2019-11-06 23:34:47,567 INFO L226 Difference]: Without dead ends: 14889 [2019-11-06 23:34:47,595 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 23:34:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14889 states. [2019-11-06 23:34:48,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14889 to 14857. [2019-11-06 23:34:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14857 states. [2019-11-06 23:34:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14857 states to 14857 states and 19513 transitions. [2019-11-06 23:34:48,265 INFO L78 Accepts]: Start accepts. Automaton has 14857 states and 19513 transitions. Word has length 175 [2019-11-06 23:34:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:48,265 INFO L462 AbstractCegarLoop]: Abstraction has 14857 states and 19513 transitions. [2019-11-06 23:34:48,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:34:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 14857 states and 19513 transitions. [2019-11-06 23:34:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-06 23:34:48,280 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:48,281 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:34:48,281 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:48,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:48,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1362816435, now seen corresponding path program 1 times [2019-11-06 23:34:48,282 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:48,282 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324141919] [2019-11-06 23:34:48,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 23:34:48,500 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324141919] [2019-11-06 23:34:48,501 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:48,501 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 23:34:48,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148680706] [2019-11-06 23:34:48,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 23:34:48,502 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:48,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 23:34:48,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:34:48,502 INFO L87 Difference]: Start difference. First operand 14857 states and 19513 transitions. Second operand 7 states. [2019-11-06 23:34:56,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:34:56,071 INFO L93 Difference]: Finished difference Result 45881 states and 60403 transitions. [2019-11-06 23:34:56,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 23:34:56,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2019-11-06 23:34:56,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:34:56,267 INFO L225 Difference]: With dead ends: 45881 [2019-11-06 23:34:56,267 INFO L226 Difference]: Without dead ends: 31049 [2019-11-06 23:34:56,335 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-11-06 23:34:56,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31049 states. [2019-11-06 23:34:57,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31049 to 30587. [2019-11-06 23:34:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30587 states. [2019-11-06 23:34:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30587 states to 30587 states and 40089 transitions. [2019-11-06 23:34:57,831 INFO L78 Accepts]: Start accepts. Automaton has 30587 states and 40089 transitions. Word has length 172 [2019-11-06 23:34:57,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:34:57,832 INFO L462 AbstractCegarLoop]: Abstraction has 30587 states and 40089 transitions. [2019-11-06 23:34:57,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 23:34:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 30587 states and 40089 transitions. [2019-11-06 23:34:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-06 23:34:57,852 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:34:57,853 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:34:57,853 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:34:57,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:34:57,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1626968450, now seen corresponding path program 1 times [2019-11-06 23:34:57,853 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:34:57,854 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465473646] [2019-11-06 23:34:57,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:34:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:34:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-06 23:34:58,027 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465473646] [2019-11-06 23:34:58,028 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:34:58,028 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:34:58,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088647756] [2019-11-06 23:34:58,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:34:58,029 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:34:58,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:34:58,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:34:58,029 INFO L87 Difference]: Start difference. First operand 30587 states and 40089 transitions. Second operand 6 states.