java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 09:54:36,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 09:54:36,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 09:54:36,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 09:54:36,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 09:54:36,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 09:54:36,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 09:54:36,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 09:54:36,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 09:54:36,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 09:54:36,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 09:54:36,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 09:54:36,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 09:54:36,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 09:54:36,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 09:54:36,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 09:54:36,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 09:54:36,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 09:54:36,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 09:54:36,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 09:54:36,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 09:54:36,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 09:54:36,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 09:54:36,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 09:54:36,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 09:54:36,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 09:54:36,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 09:54:36,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 09:54:36,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 09:54:36,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 09:54:36,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 09:54:36,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 09:54:36,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 09:54:36,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 09:54:36,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 09:54:36,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 09:54:36,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 09:54:36,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 09:54:36,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 09:54:36,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 09:54:36,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 09:54:36,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 09:54:36,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 09:54:36,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 09:54:36,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 09:54:36,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 09:54:36,114 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 09:54:36,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 09:54:36,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 09:54:36,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 09:54:36,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 09:54:36,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 09:54:36,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 09:54:36,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 09:54:36,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 09:54:36,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 09:54:36,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 09:54:36,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 09:54:36,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 09:54:36,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 09:54:36,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 09:54:36,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 09:54:36,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 09:54:36,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 09:54:36,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 09:54:36,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 09:54:36,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 09:54:36,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 09:54:36,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 09:54:36,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 09:54:36,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 09:54:36,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 09:54:36,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 09:54:36,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 09:54:36,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 09:54:36,171 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 09:54:36,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-02 09:54:36,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561ee7d42/51140cd85e3346179435b6d3a33d5981/FLAG7a25c2e77 [2019-10-02 09:54:37,199 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 09:54:37,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-02 09:54:37,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561ee7d42/51140cd85e3346179435b6d3a33d5981/FLAG7a25c2e77 [2019-10-02 09:54:37,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561ee7d42/51140cd85e3346179435b6d3a33d5981 [2019-10-02 09:54:37,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 09:54:37,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 09:54:37,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 09:54:37,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 09:54:37,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 09:54:37,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 09:54:37" (1/1) ... [2019-10-02 09:54:37,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45aaa007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:37, skipping insertion in model container [2019-10-02 09:54:37,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 09:54:37" (1/1) ... [2019-10-02 09:54:37,564 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 09:54:37,727 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 09:54:40,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 09:54:40,227 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 09:54:40,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 09:54:41,052 INFO L192 MainTranslator]: Completed translation [2019-10-02 09:54:41,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41 WrapperNode [2019-10-02 09:54:41,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 09:54:41,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 09:54:41,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 09:54:41,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 09:54:41,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (1/1) ... [2019-10-02 09:54:41,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (1/1) ... [2019-10-02 09:54:41,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (1/1) ... [2019-10-02 09:54:41,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (1/1) ... [2019-10-02 09:54:41,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (1/1) ... [2019-10-02 09:54:41,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (1/1) ... [2019-10-02 09:54:41,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (1/1) ... [2019-10-02 09:54:41,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 09:54:41,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 09:54:41,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 09:54:41,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 09:54:41,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 09:54:41,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 09:54:41,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 09:54:41,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-02 09:54:41,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 09:54:41,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-02 09:54:41,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-02 09:54:41,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 09:54:41,467 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 09:54:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 09:54:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-02 09:54:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-02 09:54:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-02 09:54:41,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 09:54:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 09:54:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 09:54:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 09:54:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 09:54:41,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 09:54:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 09:54:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 09:54:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 09:54:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2019-10-02 09:54:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2019-10-02 09:54:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 09:54:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-02 09:54:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-02 09:54:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-02 09:54:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-02 09:54:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-10-02 09:54:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 09:54:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 09:54:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-02 09:54:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2019-10-02 09:54:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-02 09:54:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-02 09:54:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-02 09:54:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-02 09:54:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-02 09:54:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2019-10-02 09:54:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_device [2019-10-02 09:54:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-02 09:54:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-02 09:54:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-02 09:54:41,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-02 09:54:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2019-10-02 09:54:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2019-10-02 09:54:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-02 09:54:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-02 09:54:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 09:54:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-02 09:54:41,475 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-02 09:54:41,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-02 09:54:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-02 09:54:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 09:54:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-02 09:54:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-02 09:54:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-02 09:54:41,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-10-02 09:54:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2019-10-02 09:54:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rxaddr [2019-10-02 09:54:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infoaddr [2019-10-02 09:54:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init_one [2019-10-02 09:54:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_remove_one [2019-10-02 09:54:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_issue_cmd [2019-10-02 09:54:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_reset [2019-10-02 09:54:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2019-10-02 09:54:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2019-10-02 09:54:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2019-10-02 09:54:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init [2019-10-02 09:54:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2019-10-02 09:54:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_handle_event [2019-10-02 09:54:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int [2019-10-02 09:54:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_interrupt [2019-10-02 09:54:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2019-10-02 09:54:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2019-10-02 09:54:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_timer [2019-10-02 09:54:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_open [2019-10-02 09:54:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_dump [2019-10-02 09:54:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_close [2019-10-02 09:54:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_start_xmit [2019-10-02 09:54:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_load_firmware [2019-10-02 09:54:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_ioctl [2019-10-02 09:54:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_driver_init [2019-10-02 09:54:41,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_driver_exit [2019-10-02 09:54:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-02 09:54:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-02 09:54:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-02 09:54:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-02 09:54:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-02 09:54:41,482 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-02 09:54:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-02 09:54:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-02 09:54:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_3 [2019-10-02 09:54:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-02 09:54:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-02 09:54:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 09:54:41,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 09:54:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 09:54:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 09:54:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 09:54:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-02 09:54:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-02 09:54:41,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-02 09:54:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-02 09:54:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-02 09:54:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-02 09:54:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-02 09:54:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-02 09:54:41,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-02 09:54:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-02 09:54:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-02 09:54:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2019-10-02 09:54:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2019-10-02 09:54:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_39 [2019-10-02 09:54:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_40 [2019-10-02 09:54:41,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_41 [2019-10-02 09:54:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_42 [2019-10-02 09:54:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-02 09:54:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_44 [2019-10-02 09:54:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_45 [2019-10-02 09:54:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 09:54:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 09:54:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 09:54:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 09:54:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 09:54:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-02 09:54:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-02 09:54:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-02 09:54:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-02 09:54:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-02 09:54:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-02 09:54:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-02 09:54:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-02 09:54:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-02 09:54:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-10-02 09:54:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-02 09:54:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-02 09:54:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-02 09:54:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 09:54:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 09:54:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-02 09:54:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 09:54:41,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 09:54:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 09:54:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-02 09:54:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hippi_dev [2019-10-02 09:54:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-02 09:54:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-02 09:54:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-02 09:54:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_cpu [2019-10-02 09:54:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_for_device [2019-10-02 09:54:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-02 09:54:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-02 09:54:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-02 09:54:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-02 09:54:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-02 09:54:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 09:54:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_change_mtu [2019-10-02 09:54:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_mac_addr [2019-10-02 09:54:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hippi_type_trans [2019-10-02 09:54:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 09:54:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 09:54:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-02 09:54:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-02 09:54:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2019-10-02 09:54:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-02 09:54:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-02 09:54:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 09:54:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-02 09:54:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2019-10-02 09:54:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-02 09:54:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-02 09:54:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-02 09:54:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-02 09:54:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-02 09:54:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-02 09:54:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-02 09:54:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-02 09:54:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 09:54:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-02 09:54:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-02 09:54:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-02 09:54:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 09:54:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-02 09:54:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 09:54:41,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 09:54:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 09:54:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 09:54:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 09:54:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 09:54:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 09:54:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 09:54:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 09:54:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 09:54:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 09:54:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-02 09:54:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-02 09:54:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-02 09:54:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 09:54:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-02 09:54:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-02 09:54:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-02 09:54:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 09:54:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 09:54:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 09:54:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 09:54:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 09:54:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 09:54:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 09:54:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 09:54:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 09:54:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 09:54:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 09:54:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 09:54:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 09:54:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 09:54:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 09:54:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 09:54:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 09:54:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 09:54:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-02 09:54:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 09:54:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-02 09:54:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2019-10-02 09:54:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2019-10-02 09:54:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 09:54:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 09:54:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 09:54:41,504 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 09:54:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 09:54:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-02 09:54:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 09:54:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-02 09:54:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 09:54:41,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-02 09:54:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 09:54:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-02 09:54:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-02 09:54:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_42 [2019-10-02 09:54:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-02 09:54:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-10-02 09:54:41,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-02 09:54:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-02 09:54:41,507 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-02 09:54:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 09:54:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-02 09:54:41,508 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 09:54:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-02 09:54:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-02 09:54:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-02 09:54:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-02 09:54:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-02 09:54:41,509 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-02 09:54:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-02 09:54:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-02 09:54:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-02 09:54:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_3 [2019-10-02 09:54:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-02 09:54:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-02 09:54:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 09:54:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 09:54:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 09:54:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 09:54:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-02 09:54:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2019-10-02 09:54:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-02 09:54:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2019-10-02 09:54:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-02 09:54:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-02 09:54:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-02 09:54:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-02 09:54:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-02 09:54:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-02 09:54:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_44 [2019-10-02 09:54:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-02 09:54:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_45 [2019-10-02 09:54:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-02 09:54:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-02 09:54:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-02 09:54:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-02 09:54:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_cpu [2019-10-02 09:54:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_for_device [2019-10-02 09:54:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-02 09:54:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-02 09:54:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-02 09:54:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-02 09:54:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 09:54:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2019-10-02 09:54:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-02 09:54:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_device [2019-10-02 09:54:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-02 09:54:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-02 09:54:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-02 09:54:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-02 09:54:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-02 09:54:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-02 09:54:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2019-10-02 09:54:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2019-10-02 09:54:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-02 09:54:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-02 09:54:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-02 09:54:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 09:54:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-02 09:54:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-02 09:54:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-02 09:54:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 09:54:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 09:54:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-02 09:54:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-02 09:54:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-02 09:54:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-02 09:54:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-02 09:54:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-02 09:54:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-02 09:54:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-02 09:54:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-02 09:54:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 09:54:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-02 09:54:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-10-02 09:54:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-02 09:54:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 09:54:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-02 09:54:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-02 09:54:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-02 09:54:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-10-02 09:54:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-02 09:54:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-02 09:54:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 09:54:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-02 09:54:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-02 09:54:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_41 [2019-10-02 09:54:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-02 09:54:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-02 09:54:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 09:54:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 09:54:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 09:54:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2019-10-02 09:54:41,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_40 [2019-10-02 09:54:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-02 09:54:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-02 09:54:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 09:54:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-02 09:54:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 09:54:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-02 09:54:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-02 09:54:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-02 09:54:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-10-02 09:54:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-10-02 09:54:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-02 09:54:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-02 09:54:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2019-10-02 09:54:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-02 09:54:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_39 [2019-10-02 09:54:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_type_trans [2019-10-02 09:54:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_change_mtu [2019-10-02 09:54:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure hippi_mac_addr [2019-10-02 09:54:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hippi_dev [2019-10-02 09:54:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2019-10-02 09:54:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_rxaddr [2019-10-02 09:54:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_infoaddr [2019-10-02 09:54:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init [2019-10-02 09:54:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2019-10-02 09:54:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure rr_interrupt [2019-10-02 09:54:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure rr_open [2019-10-02 09:54:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure rr_start_xmit [2019-10-02 09:54:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure rr_close [2019-10-02 09:54:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure rr_ioctl [2019-10-02 09:54:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2019-10-02 09:54:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2019-10-02 09:54:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure rr_load_firmware [2019-10-02 09:54:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2019-10-02 09:54:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2019-10-02 09:54:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init_one [2019-10-02 09:54:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 09:54:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure rr_remove_one [2019-10-02 09:54:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure rr_issue_cmd [2019-10-02 09:54:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure rr_reset [2019-10-02 09:54:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2019-10-02 09:54:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure rr_handle_event [2019-10-02 09:54:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int [2019-10-02 09:54:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure rr_timer [2019-10-02 09:54:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure rr_dump [2019-10-02 09:54:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure rr_driver_init [2019-10-02 09:54:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure rr_driver_exit [2019-10-02 09:54:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-02 09:54:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2019-10-02 09:54:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 09:54:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-02 09:54:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 09:54:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-02 09:54:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 09:54:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 09:54:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 09:54:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 09:54:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 09:54:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 09:54:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-02 09:54:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-02 09:54:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-02 09:54:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-02 09:54:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 09:54:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 09:54:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-02 09:54:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 09:54:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 09:54:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 09:54:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 09:54:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 09:54:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 09:54:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 09:54:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 09:54:41,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 09:54:42,516 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 09:55:02,378 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 09:55:02,378 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 09:55:02,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 09:55:02 BoogieIcfgContainer [2019-10-02 09:55:02,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 09:55:02,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 09:55:02,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 09:55:02,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 09:55:02,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 09:54:37" (1/3) ... [2019-10-02 09:55:02,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382234c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 09:55:02, skipping insertion in model container [2019-10-02 09:55:02,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:54:41" (2/3) ... [2019-10-02 09:55:02,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382234c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 09:55:02, skipping insertion in model container [2019-10-02 09:55:02,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 09:55:02" (3/3) ... [2019-10-02 09:55:02,390 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--hippi--rrunner.ko-entry_point.cil.out.i [2019-10-02 09:55:02,402 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 09:55:02,414 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 09:55:02,433 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 09:55:02,480 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 09:55:02,481 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 09:55:02,481 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 09:55:02,481 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 09:55:02,481 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 09:55:02,481 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 09:55:02,481 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 09:55:02,481 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 09:55:02,482 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 09:55:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states. [2019-10-02 09:55:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-02 09:55:02,557 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:55:02,558 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-10-02 09:55:02,561 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:55:02,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:55:02,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1827391194, now seen corresponding path program 1 times [2019-10-02 09:55:02,568 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:55:02,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:55:02,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:02,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:55:02,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:55:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-10-02 09:55:03,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:55:03,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:55:03,446 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:55:03,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:55:03,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:55:03,464 INFO L87 Difference]: Start difference. First operand 1646 states. Second operand 3 states. [2019-10-02 09:55:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:55:04,014 INFO L93 Difference]: Finished difference Result 4216 states and 5649 transitions. [2019-10-02 09:55:04,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:55:04,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-02 09:55:04,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:55:04,068 INFO L225 Difference]: With dead ends: 4216 [2019-10-02 09:55:04,068 INFO L226 Difference]: Without dead ends: 2585 [2019-10-02 09:55:04,089 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:55:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2019-10-02 09:55:04,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2565. [2019-10-02 09:55:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2565 states. [2019-10-02 09:55:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3403 transitions. [2019-10-02 09:55:04,368 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3403 transitions. Word has length 99 [2019-10-02 09:55:04,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:55:04,369 INFO L475 AbstractCegarLoop]: Abstraction has 2565 states and 3403 transitions. [2019-10-02 09:55:04,369 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:55:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3403 transitions. [2019-10-02 09:55:04,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-02 09:55:04,377 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:55:04,377 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-10-02 09:55:04,378 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:55:04,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:55:04,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1782199768, now seen corresponding path program 1 times [2019-10-02 09:55:04,378 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:55:04,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:55:04,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:04,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:55:04,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:55:04,757 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:55:04,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:55:04,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:55:04,760 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:55:04,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:55:04,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:55:04,760 INFO L87 Difference]: Start difference. First operand 2565 states and 3403 transitions. Second operand 5 states. [2019-10-02 09:55:05,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:55:05,193 INFO L93 Difference]: Finished difference Result 7660 states and 10187 transitions. [2019-10-02 09:55:05,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 09:55:05,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2019-10-02 09:55:05,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:55:05,244 INFO L225 Difference]: With dead ends: 7660 [2019-10-02 09:55:05,245 INFO L226 Difference]: Without dead ends: 5121 [2019-10-02 09:55:05,260 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:55:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5121 states. [2019-10-02 09:55:05,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5121 to 5098. [2019-10-02 09:55:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5098 states. [2019-10-02 09:55:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5098 states to 5098 states and 6770 transitions. [2019-10-02 09:55:05,604 INFO L78 Accepts]: Start accepts. Automaton has 5098 states and 6770 transitions. Word has length 138 [2019-10-02 09:55:05,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:55:05,607 INFO L475 AbstractCegarLoop]: Abstraction has 5098 states and 6770 transitions. [2019-10-02 09:55:05,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:55:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 5098 states and 6770 transitions. [2019-10-02 09:55:05,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-02 09:55:05,621 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:55:05,621 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-10-02 09:55:05,622 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:55:05,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:55:05,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2110552006, now seen corresponding path program 1 times [2019-10-02 09:55:05,626 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:55:05,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:55:05,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:05,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:55:05,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:55:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:55:06,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:55:06,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:55:06,742 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:55:06,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:55:06,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:55:06,743 INFO L87 Difference]: Start difference. First operand 5098 states and 6770 transitions. Second operand 5 states. [2019-10-02 09:55:07,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:55:07,227 INFO L93 Difference]: Finished difference Result 15284 states and 20328 transitions. [2019-10-02 09:55:07,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 09:55:07,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2019-10-02 09:55:07,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:55:07,309 INFO L225 Difference]: With dead ends: 15284 [2019-10-02 09:55:07,309 INFO L226 Difference]: Without dead ends: 10212 [2019-10-02 09:55:07,337 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:55:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10212 states. [2019-10-02 09:55:07,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10212 to 10173. [2019-10-02 09:55:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10173 states. [2019-10-02 09:55:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10173 states to 10173 states and 13512 transitions. [2019-10-02 09:55:07,954 INFO L78 Accepts]: Start accepts. Automaton has 10173 states and 13512 transitions. Word has length 139 [2019-10-02 09:55:07,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:55:07,957 INFO L475 AbstractCegarLoop]: Abstraction has 10173 states and 13512 transitions. [2019-10-02 09:55:07,958 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:55:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 10173 states and 13512 transitions. [2019-10-02 09:55:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-02 09:55:07,962 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:55:07,963 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-10-02 09:55:07,963 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:55:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:55:07,963 INFO L82 PathProgramCache]: Analyzing trace with hash -741259861, now seen corresponding path program 1 times [2019-10-02 09:55:07,963 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:55:07,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:55:07,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:07,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:55:07,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:55:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:55:08,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:55:08,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:55:08,280 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:55:08,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:55:08,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:55:08,281 INFO L87 Difference]: Start difference. First operand 10173 states and 13512 transitions. Second operand 5 states. [2019-10-02 09:55:09,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:55:09,108 INFO L93 Difference]: Finished difference Result 30554 states and 40628 transitions. [2019-10-02 09:55:09,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 09:55:09,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2019-10-02 09:55:09,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:55:09,269 INFO L225 Difference]: With dead ends: 30554 [2019-10-02 09:55:09,270 INFO L226 Difference]: Without dead ends: 20407 [2019-10-02 09:55:09,334 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:55:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20407 states. [2019-10-02 09:55:10,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20407 to 20332. [2019-10-02 09:55:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20332 states. [2019-10-02 09:55:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20332 states to 20332 states and 27006 transitions. [2019-10-02 09:55:10,828 INFO L78 Accepts]: Start accepts. Automaton has 20332 states and 27006 transitions. Word has length 140 [2019-10-02 09:55:10,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:55:10,828 INFO L475 AbstractCegarLoop]: Abstraction has 20332 states and 27006 transitions. [2019-10-02 09:55:10,828 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:55:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 20332 states and 27006 transitions. [2019-10-02 09:55:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-02 09:55:10,833 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:55:10,833 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2019-10-02 09:55:10,833 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:55:10,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:55:10,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1715400605, now seen corresponding path program 1 times [2019-10-02 09:55:10,834 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:55:10,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:55:10,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:10,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:55:10,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:55:11,089 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:55:11,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:55:11,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 09:55:11,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 09:55:11,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 09:55:11,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 09:55:11,091 INFO L87 Difference]: Start difference. First operand 20332 states and 27006 transitions. Second operand 5 states. [2019-10-02 09:55:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:55:13,887 INFO L93 Difference]: Finished difference Result 60567 states and 80488 transitions. [2019-10-02 09:55:13,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 09:55:13,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2019-10-02 09:55:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:55:14,145 INFO L225 Difference]: With dead ends: 60567 [2019-10-02 09:55:14,146 INFO L226 Difference]: Without dead ends: 40261 [2019-10-02 09:55:14,269 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:55:14,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40261 states. [2019-10-02 09:55:16,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40261 to 40120. [2019-10-02 09:55:16,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40120 states. [2019-10-02 09:55:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40120 states to 40120 states and 53256 transitions. [2019-10-02 09:55:16,557 INFO L78 Accepts]: Start accepts. Automaton has 40120 states and 53256 transitions. Word has length 141 [2019-10-02 09:55:16,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:55:16,558 INFO L475 AbstractCegarLoop]: Abstraction has 40120 states and 53256 transitions. [2019-10-02 09:55:16,558 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 09:55:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 40120 states and 53256 transitions. [2019-10-02 09:55:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-02 09:55:16,564 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:55:16,565 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:55:16,565 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:55:16,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:55:16,565 INFO L82 PathProgramCache]: Analyzing trace with hash 2061998495, now seen corresponding path program 1 times [2019-10-02 09:55:16,566 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:55:16,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:55:16,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:16,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:55:16,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:55:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:55:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-02 09:55:16,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:55:16,918 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:55:17,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:55:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:55:17,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 3079 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 09:55:17,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:55:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:55:18,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:55:18,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2019-10-02 09:55:18,143 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 09:55:18,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 09:55:18,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2019-10-02 09:55:18,144 INFO L87 Difference]: Start difference. First operand 40120 states and 53256 transitions. Second operand 14 states. [2019-10-02 09:56:35,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:56:35,157 INFO L93 Difference]: Finished difference Result 100820 states and 134033 transitions. [2019-10-02 09:56:35,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-02 09:56:35,157 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2019-10-02 09:56:35,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:56:35,565 INFO L225 Difference]: With dead ends: 100820 [2019-10-02 09:56:35,566 INFO L226 Difference]: Without dead ends: 60726 [2019-10-02 09:56:35,719 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2019-10-02 09:56:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60726 states. [2019-10-02 09:56:39,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60726 to 60193. [2019-10-02 09:56:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60193 states. [2019-10-02 09:56:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60193 states to 60193 states and 79944 transitions. [2019-10-02 09:56:39,762 INFO L78 Accepts]: Start accepts. Automaton has 60193 states and 79944 transitions. Word has length 154 [2019-10-02 09:56:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:56:39,764 INFO L475 AbstractCegarLoop]: Abstraction has 60193 states and 79944 transitions. [2019-10-02 09:56:39,764 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-02 09:56:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 60193 states and 79944 transitions. [2019-10-02 09:56:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-02 09:56:39,770 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:56:39,770 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:56:39,770 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:56:39,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:56:39,771 INFO L82 PathProgramCache]: Analyzing trace with hash 8715916, now seen corresponding path program 1 times [2019-10-02 09:56:39,771 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:56:39,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:56:39,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:56:39,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:56:39,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:56:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:56:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:56:40,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:56:40,170 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:56:41,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:56:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:56:42,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 3081 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 09:56:42,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:56:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:56:42,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:56:42,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-10-02 09:56:42,341 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 09:56:42,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 09:56:42,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-02 09:56:42,342 INFO L87 Difference]: Start difference. First operand 60193 states and 79944 transitions. Second operand 15 states. [2019-10-02 09:57:03,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:57:03,689 INFO L93 Difference]: Finished difference Result 189848 states and 252507 transitions. [2019-10-02 09:57:03,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-02 09:57:03,689 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2019-10-02 09:57:03,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:57:04,246 INFO L225 Difference]: With dead ends: 189848 [2019-10-02 09:57:04,247 INFO L226 Difference]: Without dead ends: 129681 [2019-10-02 09:57:04,376 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-10-02 09:57:04,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129681 states. [2019-10-02 09:57:09,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129681 to 129177. [2019-10-02 09:57:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129177 states. [2019-10-02 09:57:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129177 states to 129177 states and 171710 transitions. [2019-10-02 09:57:09,592 INFO L78 Accepts]: Start accepts. Automaton has 129177 states and 171710 transitions. Word has length 155 [2019-10-02 09:57:09,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:57:09,592 INFO L475 AbstractCegarLoop]: Abstraction has 129177 states and 171710 transitions. [2019-10-02 09:57:09,592 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 09:57:09,592 INFO L276 IsEmpty]: Start isEmpty. Operand 129177 states and 171710 transitions. [2019-10-02 09:57:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-02 09:57:09,599 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:57:09,600 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:57:09,600 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:57:09,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:57:09,600 INFO L82 PathProgramCache]: Analyzing trace with hash -797063976, now seen corresponding path program 1 times [2019-10-02 09:57:09,600 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:57:09,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:57:09,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:57:09,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:57:09,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:57:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:57:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:57:09,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:57:09,953 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:57:10,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:57:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:57:11,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 3083 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 09:57:11,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:57:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 09:57:11,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:57:11,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-10-02 09:57:11,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 09:57:11,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 09:57:11,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-02 09:57:11,210 INFO L87 Difference]: Start difference. First operand 129177 states and 171710 transitions. Second operand 15 states. [2019-10-02 09:57:31,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:57:31,111 INFO L93 Difference]: Finished difference Result 375522 states and 499666 transitions. [2019-10-02 09:57:31,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-02 09:57:31,112 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 156 [2019-10-02 09:57:31,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:57:32,123 INFO L225 Difference]: With dead ends: 375522 [2019-10-02 09:57:32,123 INFO L226 Difference]: Without dead ends: 246371 [2019-10-02 09:57:37,824 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-10-02 09:57:38,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246371 states. [2019-10-02 09:57:48,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246371 to 241106. [2019-10-02 09:57:48,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241106 states. [2019-10-02 09:57:48,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241106 states to 241106 states and 320662 transitions. [2019-10-02 09:57:48,984 INFO L78 Accepts]: Start accepts. Automaton has 241106 states and 320662 transitions. Word has length 156 [2019-10-02 09:57:48,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:57:48,985 INFO L475 AbstractCegarLoop]: Abstraction has 241106 states and 320662 transitions. [2019-10-02 09:57:48,985 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 09:57:48,985 INFO L276 IsEmpty]: Start isEmpty. Operand 241106 states and 320662 transitions. [2019-10-02 09:57:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-02 09:57:48,993 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:57:48,994 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:57:48,994 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:57:48,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:57:48,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1584966235, now seen corresponding path program 1 times [2019-10-02 09:57:48,995 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:57:48,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:57:49,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:57:49,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:57:49,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:57:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:57:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:57:49,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:57:49,303 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:57:54,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:57:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:57:55,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 3085 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 09:57:55,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:57:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-02 09:57:55,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:57:55,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2019-10-02 09:57:55,176 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 09:57:55,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 09:57:55,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2019-10-02 09:57:55,177 INFO L87 Difference]: Start difference. First operand 241106 states and 320662 transitions. Second operand 15 states. [2019-10-02 09:58:18,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:58:18,074 INFO L93 Difference]: Finished difference Result 673740 states and 896497 transitions. [2019-10-02 09:58:18,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-02 09:58:18,074 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 157 [2019-10-02 09:58:18,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:58:20,259 INFO L225 Difference]: With dead ends: 673740 [2019-10-02 09:58:20,260 INFO L226 Difference]: Without dead ends: 432660 [2019-10-02 09:58:20,722 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2019-10-02 09:58:22,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432660 states. [2019-10-02 09:58:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432660 to 420483. [2019-10-02 09:58:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420483 states. [2019-10-02 09:58:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420483 states to 420483 states and 559159 transitions. [2019-10-02 09:58:55,414 INFO L78 Accepts]: Start accepts. Automaton has 420483 states and 559159 transitions. Word has length 157 [2019-10-02 09:58:55,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:58:55,415 INFO L475 AbstractCegarLoop]: Abstraction has 420483 states and 559159 transitions. [2019-10-02 09:58:55,415 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 09:58:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 420483 states and 559159 transitions. [2019-10-02 09:58:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2019-10-02 09:58:55,443 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:58:55,443 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:58:55,443 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:58:55,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:58:55,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1169153641, now seen corresponding path program 1 times [2019-10-02 09:58:55,444 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:58:55,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:58:55,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:58:55,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:58:55,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:58:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:58:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2019-10-02 09:58:55,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:58:55,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:58:55,753 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:58:55,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:58:55,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:58:55,753 INFO L87 Difference]: Start difference. First operand 420483 states and 559159 transitions. Second operand 3 states. [2019-10-02 09:59:28,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:59:28,777 INFO L93 Difference]: Finished difference Result 1179471 states and 1579086 transitions. [2019-10-02 09:59:28,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:59:28,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 455 [2019-10-02 09:59:28,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:59:41,224 INFO L225 Difference]: With dead ends: 1179471 [2019-10-02 09:59:41,224 INFO L226 Difference]: Without dead ends: 759014 [2019-10-02 09:59:41,992 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:59:42,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759014 states. [2019-10-02 10:00:28,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759014 to 755897. [2019-10-02 10:00:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755897 states. [2019-10-02 10:00:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755897 states to 755897 states and 1015805 transitions. [2019-10-02 10:00:44,291 INFO L78 Accepts]: Start accepts. Automaton has 755897 states and 1015805 transitions. Word has length 455 [2019-10-02 10:00:44,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:00:44,292 INFO L475 AbstractCegarLoop]: Abstraction has 755897 states and 1015805 transitions. [2019-10-02 10:00:44,292 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:00:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 755897 states and 1015805 transitions. [2019-10-02 10:00:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2019-10-02 10:00:44,321 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:00:44,321 INFO L411 BasicCegarLoop]: trace histogram [50, 50, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:00:44,322 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:00:44,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:00:44,322 INFO L82 PathProgramCache]: Analyzing trace with hash 936940090, now seen corresponding path program 1 times [2019-10-02 10:00:44,322 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:00:44,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:00:44,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:00:44,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:00:44,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:00:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:00:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3803 trivial. 0 not checked. [2019-10-02 10:00:47,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:00:47,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:00:47,083 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:00:47,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:00:47,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:00:47,084 INFO L87 Difference]: Start difference. First operand 755897 states and 1015805 transitions. Second operand 5 states. [2019-10-02 10:02:53,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:02:53,791 INFO L93 Difference]: Finished difference Result 3382005 states and 4525996 transitions. [2019-10-02 10:02:53,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 10:02:53,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 441 [2019-10-02 10:02:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted.