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--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 19:57:46,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 19:57:46,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 19:57:46,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 19:57:46,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 19:57:46,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 19:57:46,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 19:57:46,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 19:57:46,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 19:57:46,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 19:57:46,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 19:57:46,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 19:57:46,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 19:57:46,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 19:57:46,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 19:57:46,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 19:57:46,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 19:57:46,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 19:57:46,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 19:57:46,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 19:57:46,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 19:57:46,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 19:57:46,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 19:57:46,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 19:57:46,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 19:57:46,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 19:57:46,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 19:57:46,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 19:57:46,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 19:57:46,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 19:57:46,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 19:57:46,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 19:57:46,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 19:57:46,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 19:57:46,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 19:57:46,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 19:57:46,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 19:57:46,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 19:57:46,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 19:57:46,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 19:57:46,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 19:57:46,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 19:57:46,122 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 19:57:46,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 19:57:46,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 19:57:46,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 19:57:46,125 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 19:57:46,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 19:57:46,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 19:57:46,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 19:57:46,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 19:57:46,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 19:57:46,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 19:57:46,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 19:57:46,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 19:57:46,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 19:57:46,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 19:57:46,128 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 19:57:46,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 19:57:46,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 19:57:46,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 19:57:46,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 19:57:46,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 19:57:46,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 19:57:46,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 19:57:46,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 19:57:46,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 19:57:46,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 19:57:46,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 19:57:46,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 19:57:46,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 19:57:46,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 19:57:46,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 19:57:46,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 19:57:46,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 19:57:46,206 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 19:57:46,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2019-09-08 19:57:46,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f73b7361/d96b3347ba58462c9544afa2a703e59c/FLAG8ffe1f539 [2019-09-08 19:57:47,170 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 19:57:47,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2019-09-08 19:57:47,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f73b7361/d96b3347ba58462c9544afa2a703e59c/FLAG8ffe1f539 [2019-09-08 19:57:47,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f73b7361/d96b3347ba58462c9544afa2a703e59c [2019-09-08 19:57:47,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 19:57:47,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 19:57:47,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 19:57:47,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 19:57:47,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 19:57:47,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 07:57:47" (1/1) ... [2019-09-08 19:57:47,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1461bf25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:47, skipping insertion in model container [2019-09-08 19:57:47,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 07:57:47" (1/1) ... [2019-09-08 19:57:47,650 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 19:57:47,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 19:57:52,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 19:57:52,355 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 19:57:52,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 19:57:53,996 INFO L192 MainTranslator]: Completed translation [2019-09-08 19:57:53,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53 WrapperNode [2019-09-08 19:57:53,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 19:57:53,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 19:57:53,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 19:57:53,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 19:57:54,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (1/1) ... [2019-09-08 19:57:54,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (1/1) ... [2019-09-08 19:57:54,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (1/1) ... [2019-09-08 19:57:54,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (1/1) ... [2019-09-08 19:57:54,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (1/1) ... [2019-09-08 19:57:54,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (1/1) ... [2019-09-08 19:57:54,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (1/1) ... [2019-09-08 19:57:54,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 19:57:54,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 19:57:54,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 19:57:54,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 19:57:54,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 19:57:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 19:57:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 19:57:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-08 19:57:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-08 19:57:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-09-08 19:57:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 19:57:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 19:57:54,629 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 19:57:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 19:57:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-08 19:57:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 19:57:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 19:57:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-08 19:57:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-08 19:57:54,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 19:57:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 19:57:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 19:57:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 19:57:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 19:57:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 19:57:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-08 19:57:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-08 19:57:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-08 19:57:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-08 19:57:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-08 19:57:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-09-08 19:57:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 19:57:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-09-08 19:57:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-09-08 19:57:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-08 19:57:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 19:57:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-08 19:57:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2019-09-08 19:57:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-09-08 19:57:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-09-08 19:57:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2019-09-08 19:57:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-09-08 19:57:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-08 19:57:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 19:57:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 19:57:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2019-09-08 19:57:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2019-09-08 19:57:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2019-09-08 19:57:54,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-09-08 19:57:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-08 19:57:54,641 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-09-08 19:57:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-09-08 19:57:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-08 19:57:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-09-08 19:57:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-09-08 19:57:54,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2019-09-08 19:57:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2019-09-08 19:57:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2019-09-08 19:57:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2019-09-08 19:57:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2019-09-08 19:57:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-09-08 19:57:54,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-09-08 19:57:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-09-08 19:57:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2019-09-08 19:57:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2019-09-08 19:57:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2019-09-08 19:57:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-08 19:57:54,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-08 19:57:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_fold [2019-09-08 19:57:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_nofold [2019-09-08 19:57:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2019-09-08 19:57:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2019-09-08 19:57:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-08 19:57:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2019-09-08 19:57:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-09-08 19:57:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2019-09-08 19:57:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2019-09-08 19:57:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2019-09-08 19:57:54,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-08 19:57:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2019-09-08 19:57:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2019-09-08 19:57:54,648 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2019-09-08 19:57:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2019-09-08 19:57:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2019-09-08 19:57:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_trim [2019-09-08 19:57:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_trim [2019-09-08 19:57:54,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_trim [2019-09-08 19:57:54,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-09-08 19:57:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-09-08 19:57:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2019-09-08 19:57:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2019-09-08 19:57:54,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2019-09-08 19:57:54,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2019-09-08 19:57:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2019-09-08 19:57:54,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2019-09-08 19:57:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-09-08 19:57:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2019-09-08 19:57:54,654 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2019-09-08 19:57:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2019-09-08 19:57:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2019-09-08 19:57:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 19:57:54,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 19:57:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 19:57:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 19:57:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 19:57:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-09-08 19:57:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-09-08 19:57:54,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-08 19:57:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-08 19:57:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-08 19:57:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2019-09-08 19:57:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-09-08 19:57:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_gso_max_size [2019-09-08 19:57:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-09-08 19:57:54,657 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-09-08 19:57:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-09-08 19:57:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2019-09-08 19:57:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2019-09-08 19:57:54,658 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2019-09-08 19:57:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2019-09-08 19:57:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2019-09-08 19:57:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2019-09-08 19:57:54,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2019-09-08 19:57:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_config [2019-09-08 19:57:54,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2019-09-08 19:57:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2019-09-08 19:57:54,661 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_link [2019-09-08 19:57:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2019-09-08 19:57:54,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_event [2019-09-08 19:57:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2019-09-08 19:57:54,663 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_cancel_work [2019-09-08 19:57:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2019-09-08 19:57:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2019-09-08 19:57:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_rx_mode [2019-09-08 19:57:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_rx_mode [2019-09-08 19:57:54,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2019-09-08 19:57:54,665 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2019-09-08 19:57:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restore_vlan [2019-09-08 19:57:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2019-09-08 19:57:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2019-09-08 19:57:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2019-09-08 19:57:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2019-09-08 19:57:54,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_mdio_read [2019-09-08 19:57:54,667 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_mdio_write [2019-09-08 19:57:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_mii_ioctl [2019-09-08 19:57:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2019-09-08 19:57:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_setup_pcicmd [2019-09-08 19:57:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_alloc_queues [2019-09-08 19:57:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_sw_init [2019-09-08 19:57:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2019-09-08 19:57:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2019-09-08 19:57:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_cal_ring_size [2019-09-08 19:57:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_init_ring_resources [2019-09-08 19:57:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_init_ring_ptrs [2019-09-08 19:57:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2019-09-08 19:57:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_setup_ring_resources [2019-09-08 19:57:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_configure_des_ring [2019-09-08 19:57:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_configure_tx [2019-09-08 19:57:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_configure_rx [2019-09-08 19:57:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_configure_dma [2019-09-08 19:57:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_setup_mac_ctrl [2019-09-08 19:57:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_configure [2019-09-08 19:57:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2019-09-08 19:57:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_update_hw_stats [2019-09-08 19:57:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clear_phy_int [2019-09-08 19:57:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_irq [2019-09-08 19:57:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2019-09-08 19:57:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_rx_checksum [2019-09-08 19:57:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_rx_page [2019-09-08 19:57:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_irq [2019-09-08 19:57:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean [2019-09-08 19:57:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2019-09-08 19:57:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tpd_avail [2019-09-08 19:57:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2019-09-08 19:57:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2019-09-08 19:57:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_cal_tdp_req [2019-09-08 19:57:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tso_csum [2019-09-08 19:57:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_map [2019-09-08 19:57:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_queue [2019-09-08 19:57:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_xmit_frame [2019-09-08 19:57:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2019-09-08 19:57:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2019-09-08 19:57:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2019-09-08 19:57:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2019-09-08 19:57:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2019-09-08 19:57:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2019-09-08 19:57:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2019-09-08 19:57:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2019-09-08 19:57:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2019-09-08 19:57:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_init_netdev [2019-09-08 19:57:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_probe [2019-09-08 19:57:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2019-09-08 19:57:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2019-09-08 19:57:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2019-09-08 19:57:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2019-09-08 19:57:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_driver_init [2019-09-08 19:57:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_driver_exit [2019-09-08 19:57:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_3 [2019-09-08 19:57:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_error_handlers_7 [2019-09-08 19:57:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-09-08 19:57:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2019-09-08 19:57:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-09-08 19:57:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-08 19:57:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-09-08 19:57:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_4 [2019-09-08 19:57:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2019-09-08 19:57:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-08 19:57:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_4 [2019-09-08 19:57:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2019-09-08 19:57:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2019-09-08 19:57:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2019-09-08 19:57:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-09-08 19:57:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2019-09-08 19:57:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_3 [2019-09-08 19:57:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-08 19:57:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-08 19:57:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-08 19:57:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_8 [2019-09-08 19:57:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2019-09-08 19:57:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2019-09-08 19:57:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2019-09-08 19:57:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-09-08 19:57:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_6 [2019-09-08 19:57:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-09-08 19:57:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 19:57:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 19:57:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 19:57:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 19:57:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2019-09-08 19:57:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2019-09-08 19:57:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2019-09-08 19:57:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2019-09-08 19:57:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2019-09-08 19:57:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_25 [2019-09-08 19:57:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 19:57:54,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2019-09-08 19:57:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-09-08 19:57:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2019-09-08 19:57:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2019-09-08 19:57:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2019-09-08 19:57:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2019-09-08 19:57:54,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2019-09-08 19:57:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2019-09-08 19:57:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2019-09-08 19:57:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2019-09-08 19:57:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_42 [2019-09-08 19:57:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-09-08 19:57:54,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_44 [2019-09-08 19:57:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_45 [2019-09-08 19:57:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_46 [2019-09-08 19:57:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_47 [2019-09-08 19:57:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_48 [2019-09-08 19:57:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_49 [2019-09-08 19:57:54,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_50 [2019-09-08 19:57:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_51 [2019-09-08 19:57:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_52 [2019-09-08 19:57:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_53 [2019-09-08 19:57:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-08 19:57:54,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-08 19:57:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure rep_nop [2019-09-08 19:57:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2019-09-08 19:57:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2019-09-08 19:57:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2019-09-08 19:57:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_permanent_address [2019-09-08 19:57:54,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_eeprom [2019-09-08 19:57:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2019-09-08 19:57:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2019-09-08 19:57:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_mac_addr [2019-09-08 19:57:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hash_mc_addr [2019-09-08 19:57:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hash_set [2019-09-08 19:57:54,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2019-09-08 19:57:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2019-09-08 19:57:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_init_pcie [2019-09-08 19:57:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_setup_autoneg_adv [2019-09-08 19:57:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2019-09-08 19:57:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2019-09-08 19:57:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2019-09-08 19:57:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_init_hw [2019-09-08 19:57:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_speed_and_duplex [2019-09-08 19:57:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2019-09-08 19:57:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_84 [2019-09-08 19:57:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_85 [2019-09-08 19:57:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_86 [2019-09-08 19:57:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_87 [2019-09-08 19:57:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_88 [2019-09-08 19:57:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_94 [2019-09-08 19:57:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_100 [2019-09-08 19:57:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_102 [2019-09-08 19:57:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_104 [2019-09-08 19:57:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_105 [2019-09-08 19:57:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_106 [2019-09-08 19:57:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_107 [2019-09-08 19:57:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_108 [2019-09-08 19:57:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_109 [2019-09-08 19:57:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_110 [2019-09-08 19:57:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_111 [2019-09-08 19:57:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 19:57:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 19:57:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2019-09-08 19:57:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-09-08 19:57:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_settings [2019-09-08 19:57:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_settings [2019-09-08 19:57:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_msglevel [2019-09-08 19:57:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2019-09-08 19:57:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs [2019-09-08 19:57:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2019-09-08 19:57:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom [2019-09-08 19:57:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_eeprom [2019-09-08 19:57:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_drvinfo [2019-09-08 19:57:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_wol [2019-09-08 19:57:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_wol [2019-09-08 19:57:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2019-09-08 19:57:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_ethtool_ops [2019-09-08 19:57:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_5 [2019-09-08 19:57:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2019-09-08 19:57:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_131 [2019-09-08 19:57:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_132 [2019-09-08 19:57:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_133 [2019-09-08 19:57:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_134 [2019-09-08 19:57:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_135 [2019-09-08 19:57:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_141 [2019-09-08 19:57:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_147 [2019-09-08 19:57:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_149 [2019-09-08 19:57:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_151 [2019-09-08 19:57:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_152 [2019-09-08 19:57:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_153 [2019-09-08 19:57:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_154 [2019-09-08 19:57:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_155 [2019-09-08 19:57:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_156 [2019-09-08 19:57:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_157 [2019-09-08 19:57:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_158 [2019-09-08 19:57:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2019-09-08 19:57:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_options [2019-09-08 19:57:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_178 [2019-09-08 19:57:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_179 [2019-09-08 19:57:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_180 [2019-09-08 19:57:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_181 [2019-09-08 19:57:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_182 [2019-09-08 19:57:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_188 [2019-09-08 19:57:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_194 [2019-09-08 19:57:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_196 [2019-09-08 19:57:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_198 [2019-09-08 19:57:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_199 [2019-09-08 19:57:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_200 [2019-09-08 19:57:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_201 [2019-09-08 19:57:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_202 [2019-09-08 19:57:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_203 [2019-09-08 19:57:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_204 [2019-09-08 19:57:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_205 [2019-09-08 19:57:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 19:57:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 19:57:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 19:57:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 19:57:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 19:57:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 19:57:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 19:57:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-08 19:57:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-08 19:57:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-08 19:57:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-08 19:57:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ___pskb_trim [2019-09-08 19:57:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 19:57:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-08 19:57:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-08 19:57:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-08 19:57:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 19:57:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2019-09-08 19:57:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-09-08 19:57:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-08 19:57:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-09-08 19:57:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 19:57:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2019-09-08 19:57:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 19:57:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 19:57:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 19:57:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-08 19:57:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-08 19:57:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-08 19:57:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-09-08 19:57:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2019-09-08 19:57:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-09-08 19:57:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-08 19:57:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 19:57:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2019-09-08 19:57:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2019-09-08 19:57:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-08 19:57:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-09-08 19:57:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2019-09-08 19:57:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2019-09-08 19:57:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-08 19:57:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-08 19:57:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-09-08 19:57:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-08 19:57:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 19:57:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 19:57:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 19:57:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 19:57:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_8 [2019-09-08 19:57:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_8 [2019-09-08 19:57:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_7 [2019-09-08 19:57:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-09-08 19:57:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2019-09-08 19:57:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-08 19:57:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_7 [2019-09-08 19:57:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_6 [2019-09-08 19:57:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 19:57:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-08 19:57:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2019-09-08 19:57:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-08 19:57:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-08 19:57:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2019-09-08 19:57:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-08 19:57:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-08 19:57:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-08 19:57:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-09-08 19:57:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-09-08 19:57:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2019-09-08 19:57:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb_sk [2019-09-08 19:57:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 19:57:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_word [2019-09-08 19:57:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_dword [2019-09-08 19:57:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_word [2019-09-08 19:57:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-09-08 19:57:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-08 19:57:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-08 19:57:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-09-08 19:57:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-09-08 19:57:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-09-08 19:57:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-09-08 19:57:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-09-08 19:57:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-09-08 19:57:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-09-08 19:57:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-09-08 19:57:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-08 19:57:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-08 19:57:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 19:57:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 19:57:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-08 19:57:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 19:57:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-08 19:57:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2019-09-08 19:57:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 19:57:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 19:57:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 19:57:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 19:57:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 19:57:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 19:57:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 19:57:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 19:57:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 19:57:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 19:57:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 19:57:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 19:57:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 19:57:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 19:57:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-08 19:57:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-08 19:57:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-08 19:57:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-08 19:57:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-08 19:57:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 19:57:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 19:57:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 19:57:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 19:57:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 19:57:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 19:57:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 19:57:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 19:57:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 19:57:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 19:57:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 19:57:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-08 19:57:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-08 19:57:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 19:57:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 19:57:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 19:57:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 19:57:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 19:57:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 19:57:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 19:57:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 19:57:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 19:57:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-09-08 19:57:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 19:57:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-08 19:57:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-08 19:57:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 19:57:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-08 19:57:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-08 19:57:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-08 19:57:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-09-08 19:57:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 19:57:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 19:57:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2019-09-08 19:57:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 19:57:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 19:57:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 19:57:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 19:57:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-09-08 19:57:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 19:57:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-09-08 19:57:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 19:57:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-08 19:57:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 19:57:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-08 19:57:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-09-08 19:57:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 19:57:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 19:57:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2019-09-08 19:57:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2019-09-08 19:57:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-08 19:57:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2019-09-08 19:57:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2019-09-08 19:57:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-08 19:57:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2019-09-08 19:57:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-08 19:57:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_44 [2019-09-08 19:57:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_45 [2019-09-08 19:57:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 19:57:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-08 19:57:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2019-09-08 19:57:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-09-08 19:57:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-09-08 19:57:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2019-09-08 19:57:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-09-08 19:57:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-09-08 19:57:54,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-09-08 19:57:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 19:57:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_25 [2019-09-08 19:57:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_42 [2019-09-08 19:57:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 19:57:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 19:57:54,749 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_3 [2019-09-08 19:57:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_error_handlers_7 [2019-09-08 19:57:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-09-08 19:57:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2019-09-08 19:57:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-09-08 19:57:54,753 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-08 19:57:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-09-08 19:57:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_4 [2019-09-08 19:57:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2019-09-08 19:57:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_5 [2019-09-08 19:57:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-08 19:57:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_4 [2019-09-08 19:57:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2019-09-08 19:57:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2019-09-08 19:57:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2019-09-08 19:57:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-09-08 19:57:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2019-09-08 19:57:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_3 [2019-09-08 19:57:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-08 19:57:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-08 19:57:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-08 19:57:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_8 [2019-09-08 19:57:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2019-09-08 19:57:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2019-09-08 19:57:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2019-09-08 19:57:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-09-08 19:57:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_6 [2019-09-08 19:57:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-09-08 19:57:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2019-09-08 19:57:54,757 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-08 19:57:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-08 19:57:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_47 [2019-09-08 19:57:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 19:57:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_46 [2019-09-08 19:57:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2019-09-08 19:57:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2019-09-08 19:57:54,758 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 19:57:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 19:57:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 19:57:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 19:57:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_word [2019-09-08 19:57:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_word [2019-09-08 19:57:54,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_dword [2019-09-08 19:57:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2019-09-08 19:57:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2019-09-08 19:57:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2019-09-08 19:57:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-08 19:57:54,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-08 19:57:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-09-08 19:57:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-09-08 19:57:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-09-08 19:57:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-09-08 19:57:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-09-08 19:57:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-09-08 19:57:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-09-08 19:57:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_52 [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_53 [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-09-08 19:57:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2019-09-08 19:57:54,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2019-09-08 19:57:54,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-08 19:57:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure csum_fold [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_nofold [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2019-09-08 19:57:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2019-09-08 19:57:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-08 19:57:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2019-09-08 19:57:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-09-08 19:57:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2019-09-08 19:57:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2019-09-08 19:57:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2019-09-08 19:57:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 19:57:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-08 19:57:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2019-09-08 19:57:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2019-09-08 19:57:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2019-09-08 19:57:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2019-09-08 19:57:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2019-09-08 19:57:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure ___pskb_trim [2019-09-08 19:57:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_trim [2019-09-08 19:57:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 19:57:54,862 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_trim [2019-09-08 19:57:54,862 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_trim [2019-09-08 19:57:54,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2019-09-08 19:57:54,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2019-09-08 19:57:54,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2019-09-08 19:57:54,862 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-09-08 19:57:54,862 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-09-08 19:57:54,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2019-09-08 19:57:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2019-09-08 19:57:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2019-09-08 19:57:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2019-09-08 19:57:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2019-09-08 19:57:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2019-09-08 19:57:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-09-08 19:57:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2019-09-08 19:57:54,863 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2019-09-08 19:57:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2019-09-08 19:57:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2019-09-08 19:57:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2019-09-08 19:57:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2019-09-08 19:57:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 19:57:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 19:57:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2019-09-08 19:57:54,864 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 19:57:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_49 [2019-09-08 19:57:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_51 [2019-09-08 19:57:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 19:57:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 19:57:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 19:57:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 19:57:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-09-08 19:57:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-09-08 19:57:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-08 19:57:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-08 19:57:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-08 19:57:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-08 19:57:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-08 19:57:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb_sk [2019-09-08 19:57:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2019-09-08 19:57:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_48 [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_50 [2019-09-08 19:57:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_gso_max_size [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-09-08 19:57:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-09-08 19:57:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2019-09-08 19:57:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2019-09-08 19:57:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2019-09-08 19:57:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2019-09-08 19:57:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2019-09-08 19:57:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_mac_addr [2019-09-08 19:57:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_init_hw [2019-09-08 19:57:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_speed_and_duplex [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hash_mc_addr [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hash_set [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2019-09-08 19:57:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2019-09-08 19:57:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_options [2019-09-08 19:57:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2019-09-08 19:57:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2019-09-08 19:57:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2019-09-08 19:57:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_ethtool_ops [2019-09-08 19:57:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_setup_mac_ctrl [2019-09-08 19:57:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2019-09-08 19:57:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2019-09-08 19:57:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2019-09-08 19:57:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_config [2019-09-08 19:57:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2019-09-08 19:57:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_link [2019-09-08 19:57:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 19:57:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2019-09-08 19:57:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_event [2019-09-08 19:57:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2019-09-08 19:57:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_cancel_work [2019-09-08 19:57:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2019-09-08 19:57:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2019-09-08 19:57:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_rx_mode [2019-09-08 19:57:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_rx_mode [2019-09-08 19:57:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2019-09-08 19:57:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2019-09-08 19:57:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restore_vlan [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_mdio_read [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_mdio_write [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_mii_ioctl [2019-09-08 19:57:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2019-09-08 19:57:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_setup_pcicmd [2019-09-08 19:57:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_alloc_queues [2019-09-08 19:57:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_sw_init [2019-09-08 19:57:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2019-09-08 19:57:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2019-09-08 19:57:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_cal_ring_size [2019-09-08 19:57:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_init_ring_resources [2019-09-08 19:57:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_init_ring_ptrs [2019-09-08 19:57:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2019-09-08 19:57:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_setup_ring_resources [2019-09-08 19:57:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_configure_des_ring [2019-09-08 19:57:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_configure_tx [2019-09-08 19:57:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_configure_rx [2019-09-08 19:57:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_configure_dma [2019-09-08 19:57:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_configure [2019-09-08 19:57:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2019-09-08 19:57:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_update_hw_stats [2019-09-08 19:57:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clear_phy_int [2019-09-08 19:57:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_irq [2019-09-08 19:57:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2019-09-08 19:57:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_rx_checksum [2019-09-08 19:57:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_rx_page [2019-09-08 19:57:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_irq [2019-09-08 19:57:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean [2019-09-08 19:57:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2019-09-08 19:57:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tpd_avail [2019-09-08 19:57:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2019-09-08 19:57:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2019-09-08 19:57:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_cal_tdp_req [2019-09-08 19:57:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tso_csum [2019-09-08 19:57:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_map [2019-09-08 19:57:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_queue [2019-09-08 19:57:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_xmit_frame [2019-09-08 19:57:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2019-09-08 19:57:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2019-09-08 19:57:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2019-09-08 19:57:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2019-09-08 19:57:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2019-09-08 19:57:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2019-09-08 19:57:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2019-09-08 19:57:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_init_netdev [2019-09-08 19:57:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_probe [2019-09-08 19:57:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2019-09-08 19:57:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2019-09-08 19:57:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2019-09-08 19:57:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2019-09-08 19:57:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_driver_init [2019-09-08 19:57:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_driver_exit [2019-09-08 19:57:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_7 [2019-09-08 19:57:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 19:57:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_8 [2019-09-08 19:57:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_6 [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_7 [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_8 [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-08 19:57:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-08 19:57:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure rep_nop [2019-09-08 19:57:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2019-09-08 19:57:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_84 [2019-09-08 19:57:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_86 [2019-09-08 19:57:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_85 [2019-09-08 19:57:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_88 [2019-09-08 19:57:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_87 [2019-09-08 19:57:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_94 [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_111 [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_102 [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_110 [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_104 [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_100 [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_108 [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_109 [2019-09-08 19:57:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_105 [2019-09-08 19:57:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_106 [2019-09-08 19:57:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_107 [2019-09-08 19:57:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-08 19:57:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2019-09-08 19:57:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_eeprom [2019-09-08 19:57:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2019-09-08 19:57:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_permanent_address [2019-09-08 19:57:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_init_pcie [2019-09-08 19:57:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_setup_autoneg_adv [2019-09-08 19:57:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-08 19:57:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_131 [2019-09-08 19:57:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_133 [2019-09-08 19:57:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_132 [2019-09-08 19:57:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_135 [2019-09-08 19:57:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_134 [2019-09-08 19:57:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 19:57:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_141 [2019-09-08 19:57:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_158 [2019-09-08 19:57:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2019-09-08 19:57:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 19:57:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_149 [2019-09-08 19:57:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_157 [2019-09-08 19:57:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_151 [2019-09-08 19:57:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_147 [2019-09-08 19:57:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_155 [2019-09-08 19:57:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_156 [2019-09-08 19:57:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_152 [2019-09-08 19:57:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_153 [2019-09-08 19:57:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_154 [2019-09-08 19:57:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2019-09-08 19:57:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-09-08 19:57:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-09-08 19:57:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_settings [2019-09-08 19:57:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_settings [2019-09-08 19:57:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_msglevel [2019-09-08 19:57:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2019-09-08 19:57:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs [2019-09-08 19:57:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2019-09-08 19:57:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom [2019-09-08 19:57:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_eeprom [2019-09-08 19:57:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_drvinfo [2019-09-08 19:57:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_wol [2019-09-08 19:57:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_wol [2019-09-08 19:57:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2019-09-08 19:57:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_178 [2019-09-08 19:57:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_180 [2019-09-08 19:57:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_179 [2019-09-08 19:57:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_182 [2019-09-08 19:57:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_181 [2019-09-08 19:57:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_188 [2019-09-08 19:57:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_205 [2019-09-08 19:57:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_196 [2019-09-08 19:57:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_204 [2019-09-08 19:57:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_198 [2019-09-08 19:57:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_194 [2019-09-08 19:57:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_202 [2019-09-08 19:57:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_203 [2019-09-08 19:57:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_199 [2019-09-08 19:57:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_200 [2019-09-08 19:57:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_201 [2019-09-08 19:57:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2019-09-08 19:57:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2019-09-08 19:57:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 19:57:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 19:57:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 19:57:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 19:57:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 19:57:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 19:57:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 19:57:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 19:57:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 19:57:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 19:57:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 19:57:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 19:57:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 19:58:04,946 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 19:58:13,672 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 19:58:13,672 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 19:58:13,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 07:58:13 BoogieIcfgContainer [2019-09-08 19:58:13,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 19:58:13,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 19:58:13,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 19:58:13,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 19:58:13,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 07:57:47" (1/3) ... [2019-09-08 19:58:13,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ede8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 07:58:13, skipping insertion in model container [2019-09-08 19:58:13,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:57:53" (2/3) ... [2019-09-08 19:58:13,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ede8bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 07:58:13, skipping insertion in model container [2019-09-08 19:58:13,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 07:58:13" (3/3) ... [2019-09-08 19:58:13,686 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2019-09-08 19:58:13,697 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 19:58:13,721 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 19:58:13,743 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 19:58:13,790 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 19:58:13,791 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 19:58:13,791 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 19:58:13,791 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 19:58:13,791 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 19:58:13,791 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 19:58:13,792 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 19:58:13,792 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 19:58:13,792 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 19:58:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states. [2019-09-08 19:58:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-09-08 19:58:13,921 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:13,923 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:58:13,926 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:13,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:13,932 INFO L82 PathProgramCache]: Analyzing trace with hash 670617027, now seen corresponding path program 1 times [2019-09-08 19:58:13,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:13,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:14,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:14,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:14,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:14,627 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 19:58:14,628 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 19:58:14,628 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 19:58:14,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:15,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 5347 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 19:58:15,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:58:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-09-08 19:58:16,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:58:16,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:58:16,067 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:58:16,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:58:16,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:16,087 INFO L87 Difference]: Start difference. First operand 3848 states. Second operand 3 states. [2019-09-08 19:58:16,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:58:16,952 INFO L93 Difference]: Finished difference Result 9252 states and 12375 transitions. [2019-09-08 19:58:16,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:58:16,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-09-08 19:58:16,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:58:17,020 INFO L225 Difference]: With dead ends: 9252 [2019-09-08 19:58:17,021 INFO L226 Difference]: Without dead ends: 5814 [2019-09-08 19:58:17,047 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:17,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2019-09-08 19:58:17,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5739. [2019-09-08 19:58:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5739 states. [2019-09-08 19:58:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5739 states to 5739 states and 7658 transitions. [2019-09-08 19:58:17,430 INFO L78 Accepts]: Start accepts. Automaton has 5739 states and 7658 transitions. Word has length 187 [2019-09-08 19:58:17,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:58:17,435 INFO L475 AbstractCegarLoop]: Abstraction has 5739 states and 7658 transitions. [2019-09-08 19:58:17,435 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:58:17,435 INFO L276 IsEmpty]: Start isEmpty. Operand 5739 states and 7658 transitions. [2019-09-08 19:58:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-09-08 19:58:17,454 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:17,454 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:58:17,454 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:17,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:17,455 INFO L82 PathProgramCache]: Analyzing trace with hash 944279808, now seen corresponding path program 1 times [2019-09-08 19:58:17,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:17,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:17,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:17,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:17,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2019-09-08 19:58:18,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:58:18,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:58:18,331 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:58:18,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:58:18,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:18,331 INFO L87 Difference]: Start difference. First operand 5739 states and 7658 transitions. Second operand 3 states. [2019-09-08 19:58:18,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:58:18,993 INFO L93 Difference]: Finished difference Result 16340 states and 21755 transitions. [2019-09-08 19:58:18,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:58:18,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-09-08 19:58:18,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:58:19,064 INFO L225 Difference]: With dead ends: 16340 [2019-09-08 19:58:19,064 INFO L226 Difference]: Without dead ends: 10650 [2019-09-08 19:58:19,090 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:19,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10650 states. [2019-09-08 19:58:19,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10650 to 10647. [2019-09-08 19:58:19,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10647 states. [2019-09-08 19:58:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10647 states to 10647 states and 14152 transitions. [2019-09-08 19:58:19,628 INFO L78 Accepts]: Start accepts. Automaton has 10647 states and 14152 transitions. Word has length 219 [2019-09-08 19:58:19,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:58:19,629 INFO L475 AbstractCegarLoop]: Abstraction has 10647 states and 14152 transitions. [2019-09-08 19:58:19,629 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:58:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 10647 states and 14152 transitions. [2019-09-08 19:58:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-09-08 19:58:19,656 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:19,657 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2019-09-08 19:58:19,657 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:19,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:19,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1033149246, now seen corresponding path program 1 times [2019-09-08 19:58:19,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:19,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:19,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:19,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:19,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2019-09-08 19:58:20,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:58:20,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:58:20,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:58:20,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:58:20,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:20,376 INFO L87 Difference]: Start difference. First operand 10647 states and 14152 transitions. Second operand 3 states. [2019-09-08 19:58:21,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:58:21,033 INFO L93 Difference]: Finished difference Result 20617 states and 27495 transitions. [2019-09-08 19:58:21,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:58:21,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 313 [2019-09-08 19:58:21,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:58:21,183 INFO L225 Difference]: With dead ends: 20617 [2019-09-08 19:58:21,183 INFO L226 Difference]: Without dead ends: 20614 [2019-09-08 19:58:21,193 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20614 states. [2019-09-08 19:58:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20614 to 20506. [2019-09-08 19:58:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20506 states. [2019-09-08 19:58:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20506 states to 20506 states and 27308 transitions. [2019-09-08 19:58:22,045 INFO L78 Accepts]: Start accepts. Automaton has 20506 states and 27308 transitions. Word has length 313 [2019-09-08 19:58:22,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:58:22,050 INFO L475 AbstractCegarLoop]: Abstraction has 20506 states and 27308 transitions. [2019-09-08 19:58:22,050 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:58:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 20506 states and 27308 transitions. [2019-09-08 19:58:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2019-09-08 19:58:22,134 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:22,135 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:58:22,135 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:22,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:22,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1048107974, now seen corresponding path program 1 times [2019-09-08 19:58:22,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:22,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:22,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:22,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:22,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:22,696 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-09-08 19:58:22,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:58:22,696 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 19:58:22,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:25,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 7762 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 19:58:25,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:58:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2019-09-08 19:58:25,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:58:25,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:58:25,800 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:58:25,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:58:25,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:25,801 INFO L87 Difference]: Start difference. First operand 20506 states and 27308 transitions. Second operand 3 states. [2019-09-08 19:58:26,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:58:26,939 INFO L93 Difference]: Finished difference Result 56096 states and 74679 transitions. [2019-09-08 19:58:26,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:58:26,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 620 [2019-09-08 19:58:26,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:58:27,104 INFO L225 Difference]: With dead ends: 56096 [2019-09-08 19:58:27,105 INFO L226 Difference]: Without dead ends: 35639 [2019-09-08 19:58:27,195 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:27,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35639 states. [2019-09-08 19:58:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35639 to 35564. [2019-09-08 19:58:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35564 states. [2019-09-08 19:58:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35564 states to 35564 states and 47332 transitions. [2019-09-08 19:58:28,715 INFO L78 Accepts]: Start accepts. Automaton has 35564 states and 47332 transitions. Word has length 620 [2019-09-08 19:58:28,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:58:28,715 INFO L475 AbstractCegarLoop]: Abstraction has 35564 states and 47332 transitions. [2019-09-08 19:58:28,715 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:58:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 35564 states and 47332 transitions. [2019-09-08 19:58:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2019-09-08 19:58:28,826 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:28,827 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:58:28,827 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:28,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:28,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1721429740, now seen corresponding path program 1 times [2019-09-08 19:58:28,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:28,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:28,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:28,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:28,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:29,269 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2019-09-08 19:58:29,270 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:58:29,270 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 19:58:29,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:31,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 7994 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 19:58:31,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:58:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-09-08 19:58:33,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:58:33,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:58:33,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:58:33,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:58:33,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:33,156 INFO L87 Difference]: Start difference. First operand 35564 states and 47332 transitions. Second operand 3 states. [2019-09-08 19:58:34,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:58:34,310 INFO L93 Difference]: Finished difference Result 71071 states and 94598 transitions. [2019-09-08 19:58:34,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:58:34,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 665 [2019-09-08 19:58:34,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:58:34,467 INFO L225 Difference]: With dead ends: 71071 [2019-09-08 19:58:34,468 INFO L226 Difference]: Without dead ends: 35564 [2019-09-08 19:58:34,559 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 663 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:34,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35564 states. [2019-09-08 19:58:35,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35564 to 35552. [2019-09-08 19:58:35,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35552 states. [2019-09-08 19:58:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35552 states to 35552 states and 47312 transitions. [2019-09-08 19:58:35,950 INFO L78 Accepts]: Start accepts. Automaton has 35552 states and 47312 transitions. Word has length 665 [2019-09-08 19:58:35,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:58:35,955 INFO L475 AbstractCegarLoop]: Abstraction has 35552 states and 47312 transitions. [2019-09-08 19:58:35,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:58:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 35552 states and 47312 transitions. [2019-09-08 19:58:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2019-09-08 19:58:36,057 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:36,058 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:58:36,059 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:36,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:36,059 INFO L82 PathProgramCache]: Analyzing trace with hash 973632840, now seen corresponding path program 1 times [2019-09-08 19:58:36,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:36,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:36,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:36,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:36,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:36,312 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 19:58:36,313 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 19:58:36,313 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 19:58:36,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:38,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 8298 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 19:58:38,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:58:38,836 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2019-09-08 19:58:38,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:58:38,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:58:38,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:58:38,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:58:38,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:38,859 INFO L87 Difference]: Start difference. First operand 35552 states and 47312 transitions. Second operand 3 states. [2019-09-08 19:58:39,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:58:39,815 INFO L93 Difference]: Finished difference Result 71223 states and 95350 transitions. [2019-09-08 19:58:39,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:58:39,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 714 [2019-09-08 19:58:39,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:58:40,023 INFO L225 Difference]: With dead ends: 71223 [2019-09-08 19:58:40,023 INFO L226 Difference]: Without dead ends: 35728 [2019-09-08 19:58:40,211 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:40,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35728 states. [2019-09-08 19:58:43,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35728 to 35648. [2019-09-08 19:58:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35648 states. [2019-09-08 19:58:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35648 states to 35648 states and 47440 transitions. [2019-09-08 19:58:43,703 INFO L78 Accepts]: Start accepts. Automaton has 35648 states and 47440 transitions. Word has length 714 [2019-09-08 19:58:43,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:58:43,705 INFO L475 AbstractCegarLoop]: Abstraction has 35648 states and 47440 transitions. [2019-09-08 19:58:43,705 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:58:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 35648 states and 47440 transitions. [2019-09-08 19:58:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2019-09-08 19:58:43,824 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:43,826 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:58:43,826 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:43,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1517134302, now seen corresponding path program 1 times [2019-09-08 19:58:43,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:43,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:43,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:43,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:43,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:44,076 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 19:58:44,077 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 19:58:44,077 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 19:58:44,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:45,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 8321 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 19:58:45,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:58:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2019-09-08 19:58:46,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:58:46,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:58:46,449 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:58:46,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:58:46,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:46,451 INFO L87 Difference]: Start difference. First operand 35648 states and 47440 transitions. Second operand 3 states. [2019-09-08 19:58:48,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:58:48,163 INFO L93 Difference]: Finished difference Result 86928 states and 115863 transitions. [2019-09-08 19:58:48,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:58:48,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 721 [2019-09-08 19:58:48,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:58:48,396 INFO L225 Difference]: With dead ends: 86928 [2019-09-08 19:58:48,396 INFO L226 Difference]: Without dead ends: 51337 [2019-09-08 19:58:48,495 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:48,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51337 states. [2019-09-08 19:58:50,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51337 to 50998. [2019-09-08 19:58:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50998 states. [2019-09-08 19:58:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50998 states to 50998 states and 67907 transitions. [2019-09-08 19:58:50,475 INFO L78 Accepts]: Start accepts. Automaton has 50998 states and 67907 transitions. Word has length 721 [2019-09-08 19:58:50,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:58:50,477 INFO L475 AbstractCegarLoop]: Abstraction has 50998 states and 67907 transitions. [2019-09-08 19:58:50,477 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:58:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 50998 states and 67907 transitions. [2019-09-08 19:58:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2019-09-08 19:58:50,564 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:50,565 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:58:50,566 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:50,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:50,566 INFO L82 PathProgramCache]: Analyzing trace with hash 124274829, now seen corresponding path program 1 times [2019-09-08 19:58:50,566 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:50,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:50,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:50,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:50,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:50,793 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 19:58:50,794 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 19:58:50,794 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 19:58:50,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:58:52,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 8390 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 19:58:52,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:58:53,118 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2019-09-08 19:58:53,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:58:53,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:58:53,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:58:53,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:58:53,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:53,137 INFO L87 Difference]: Start difference. First operand 50998 states and 67907 transitions. Second operand 3 states. [2019-09-08 19:58:56,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:58:56,202 INFO L93 Difference]: Finished difference Result 118076 states and 157367 transitions. [2019-09-08 19:58:56,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:58:56,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 749 [2019-09-08 19:58:56,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:58:56,497 INFO L225 Difference]: With dead ends: 118076 [2019-09-08 19:58:56,497 INFO L226 Difference]: Without dead ends: 67135 [2019-09-08 19:58:56,636 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:58:56,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67135 states. [2019-09-08 19:58:58,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67135 to 66796. [2019-09-08 19:58:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66796 states. [2019-09-08 19:58:58,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66796 states to 66796 states and 89040 transitions. [2019-09-08 19:58:58,548 INFO L78 Accepts]: Start accepts. Automaton has 66796 states and 89040 transitions. Word has length 749 [2019-09-08 19:58:58,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:58:58,550 INFO L475 AbstractCegarLoop]: Abstraction has 66796 states and 89040 transitions. [2019-09-08 19:58:58,550 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:58:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 66796 states and 89040 transitions. [2019-09-08 19:58:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 784 [2019-09-08 19:58:58,635 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:58:58,636 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:58:58,636 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:58:58,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:58:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1765321814, now seen corresponding path program 1 times [2019-09-08 19:58:58,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:58:58,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:58:58,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:58,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:58:58,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:58:58,873 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 19:58:58,873 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 19:58:58,873 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 19:58:58,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:59:00,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 8573 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 19:59:00,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:59:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2019-09-08 19:59:01,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:59:01,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 19:59:01,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 19:59:01,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 19:59:01,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:59:01,150 INFO L87 Difference]: Start difference. First operand 66796 states and 89040 transitions. Second operand 3 states. [2019-09-08 19:59:06,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:59:06,536 INFO L93 Difference]: Finished difference Result 133874 states and 178404 transitions. [2019-09-08 19:59:06,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 19:59:06,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 783 [2019-09-08 19:59:06,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:59:06,835 INFO L225 Difference]: With dead ends: 133874 [2019-09-08 19:59:06,835 INFO L226 Difference]: Without dead ends: 67135 [2019-09-08 19:59:06,994 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 781 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 19:59:07,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67135 states. [2019-09-08 19:59:08,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67135 to 66796. [2019-09-08 19:59:08,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66796 states. [2019-09-08 19:59:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66796 states to 66796 states and 88856 transitions. [2019-09-08 19:59:08,839 INFO L78 Accepts]: Start accepts. Automaton has 66796 states and 88856 transitions. Word has length 783 [2019-09-08 19:59:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:59:08,840 INFO L475 AbstractCegarLoop]: Abstraction has 66796 states and 88856 transitions. [2019-09-08 19:59:08,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 19:59:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 66796 states and 88856 transitions. [2019-09-08 19:59:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 803 [2019-09-08 19:59:08,921 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:59:08,922 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:59:08,922 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:59:08,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:59:08,923 INFO L82 PathProgramCache]: Analyzing trace with hash 782517952, now seen corresponding path program 1 times [2019-09-08 19:59:08,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:59:08,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:59:08,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:08,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:08,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:59:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2019-09-08 19:59:10,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:59:10,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 19:59:10,060 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:59:10,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:59:10,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:59:10,061 INFO L87 Difference]: Start difference. First operand 66796 states and 88856 transitions. Second operand 5 states. [2019-09-08 19:59:14,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:59:14,031 INFO L93 Difference]: Finished difference Result 133535 states and 177694 transitions. [2019-09-08 19:59:14,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 19:59:14,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 802 [2019-09-08 19:59:14,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:59:14,303 INFO L225 Difference]: With dead ends: 133535 [2019-09-08 19:59:14,303 INFO L226 Difference]: Without dead ends: 66796 [2019-09-08 19:59:14,447 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:59:14,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66796 states. [2019-09-08 19:59:15,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66796 to 66796. [2019-09-08 19:59:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66796 states. [2019-09-08 19:59:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66796 states to 66796 states and 88840 transitions. [2019-09-08 19:59:15,864 INFO L78 Accepts]: Start accepts. Automaton has 66796 states and 88840 transitions. Word has length 802 [2019-09-08 19:59:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:59:15,865 INFO L475 AbstractCegarLoop]: Abstraction has 66796 states and 88840 transitions. [2019-09-08 19:59:15,865 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:59:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 66796 states and 88840 transitions. [2019-09-08 19:59:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2019-09-08 19:59:15,966 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:59:15,967 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:59:15,967 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:59:15,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:59:15,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1791901870, now seen corresponding path program 1 times [2019-09-08 19:59:15,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:59:15,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:59:15,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:15,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:15,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:59:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2019-09-08 19:59:17,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:59:17,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 19:59:17,838 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:59:17,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:59:17,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:59:17,839 INFO L87 Difference]: Start difference. First operand 66796 states and 88840 transitions. Second operand 5 states. [2019-09-08 19:59:19,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:59:19,324 INFO L93 Difference]: Finished difference Result 133631 states and 177774 transitions. [2019-09-08 19:59:19,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 19:59:19,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 829 [2019-09-08 19:59:19,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:59:19,521 INFO L225 Difference]: With dead ends: 133631 [2019-09-08 19:59:19,521 INFO L226 Difference]: Without dead ends: 66892 [2019-09-08 19:59:19,640 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 19:59:19,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66892 states. [2019-09-08 19:59:23,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66892 to 66860. [2019-09-08 19:59:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66860 states. [2019-09-08 19:59:23,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66860 states to 66860 states and 88904 transitions. [2019-09-08 19:59:23,770 INFO L78 Accepts]: Start accepts. Automaton has 66860 states and 88904 transitions. Word has length 829 [2019-09-08 19:59:23,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:59:23,771 INFO L475 AbstractCegarLoop]: Abstraction has 66860 states and 88904 transitions. [2019-09-08 19:59:23,771 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:59:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 66860 states and 88904 transitions. [2019-09-08 19:59:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2019-09-08 19:59:23,872 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:59:23,872 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:59:23,873 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:59:23,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:59:23,873 INFO L82 PathProgramCache]: Analyzing trace with hash -541191757, now seen corresponding path program 1 times [2019-09-08 19:59:23,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:59:23,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:59:23,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:23,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:23,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:59:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2019-09-08 19:59:25,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:59:25,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 19:59:25,396 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 19:59:25,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 19:59:25,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 19:59:25,396 INFO L87 Difference]: Start difference. First operand 66860 states and 88904 transitions. Second operand 7 states. [2019-09-08 19:59:26,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:59:26,643 INFO L93 Difference]: Finished difference Result 133863 states and 178038 transitions. [2019-09-08 19:59:26,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 19:59:26,643 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 836 [2019-09-08 19:59:26,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:59:26,844 INFO L225 Difference]: With dead ends: 133863 [2019-09-08 19:59:26,845 INFO L226 Difference]: Without dead ends: 67060 [2019-09-08 19:59:26,957 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-08 19:59:27,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67060 states. [2019-09-08 19:59:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67060 to 67004. [2019-09-08 19:59:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67004 states. [2019-09-08 19:59:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67004 states to 67004 states and 89104 transitions. [2019-09-08 19:59:29,111 INFO L78 Accepts]: Start accepts. Automaton has 67004 states and 89104 transitions. Word has length 836 [2019-09-08 19:59:29,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:59:29,112 INFO L475 AbstractCegarLoop]: Abstraction has 67004 states and 89104 transitions. [2019-09-08 19:59:29,112 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 19:59:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 67004 states and 89104 transitions. [2019-09-08 19:59:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2019-09-08 19:59:29,194 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:59:29,195 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:59:29,195 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:59:29,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:59:29,195 INFO L82 PathProgramCache]: Analyzing trace with hash -137411937, now seen corresponding path program 1 times [2019-09-08 19:59:29,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:59:29,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:59:29,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:29,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:29,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:59:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2019-09-08 19:59:30,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:59:30,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 19:59:30,654 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 19:59:30,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 19:59:30,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 19:59:30,655 INFO L87 Difference]: Start difference. First operand 67004 states and 89104 transitions. Second operand 7 states. [2019-09-08 19:59:35,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:59:35,110 INFO L93 Difference]: Finished difference Result 134127 states and 178390 transitions. [2019-09-08 19:59:35,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 19:59:35,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 841 [2019-09-08 19:59:35,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:59:35,277 INFO L225 Difference]: With dead ends: 134127 [2019-09-08 19:59:35,277 INFO L226 Difference]: Without dead ends: 67180 [2019-09-08 19:59:35,365 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 19:59:35,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67180 states. [2019-09-08 19:59:36,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67180 to 67148. [2019-09-08 19:59:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67148 states. [2019-09-08 19:59:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67148 states to 67148 states and 89256 transitions. [2019-09-08 19:59:36,754 INFO L78 Accepts]: Start accepts. Automaton has 67148 states and 89256 transitions. Word has length 841 [2019-09-08 19:59:36,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:59:36,754 INFO L475 AbstractCegarLoop]: Abstraction has 67148 states and 89256 transitions. [2019-09-08 19:59:36,754 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 19:59:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 67148 states and 89256 transitions. [2019-09-08 19:59:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 842 [2019-09-08 19:59:36,836 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:59:36,837 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:59:36,837 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:59:36,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:59:36,837 INFO L82 PathProgramCache]: Analyzing trace with hash 73807742, now seen corresponding path program 1 times [2019-09-08 19:59:36,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:59:36,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:59:36,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:36,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:36,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:59:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2019-09-08 19:59:38,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:59:38,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 19:59:38,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 19:59:38,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 19:59:38,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:59:38,584 INFO L87 Difference]: Start difference. First operand 67148 states and 89256 transitions. Second operand 5 states. [2019-09-08 19:59:43,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:59:43,243 INFO L93 Difference]: Finished difference Result 181380 states and 241211 transitions. [2019-09-08 19:59:43,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 19:59:43,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 841 [2019-09-08 19:59:43,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:59:43,546 INFO L225 Difference]: With dead ends: 181380 [2019-09-08 19:59:43,547 INFO L226 Difference]: Without dead ends: 114289 [2019-09-08 19:59:43,650 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 19:59:43,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114289 states. [2019-09-08 19:59:46,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114289 to 114270. [2019-09-08 19:59:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114270 states. [2019-09-08 19:59:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114270 states to 114270 states and 151995 transitions. [2019-09-08 19:59:46,653 INFO L78 Accepts]: Start accepts. Automaton has 114270 states and 151995 transitions. Word has length 841 [2019-09-08 19:59:46,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:59:46,654 INFO L475 AbstractCegarLoop]: Abstraction has 114270 states and 151995 transitions. [2019-09-08 19:59:46,654 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 19:59:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 114270 states and 151995 transitions. [2019-09-08 19:59:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2019-09-08 19:59:46,795 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:59:46,796 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:59:46,796 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:59:46,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:59:46,797 INFO L82 PathProgramCache]: Analyzing trace with hash -325934098, now seen corresponding path program 1 times [2019-09-08 19:59:46,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:59:46,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:59:46,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:46,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:46,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:46,985 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 19:59:46,986 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 19:59:46,986 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 19:59:47,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:59:48,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 8914 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 19:59:48,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:59:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2019-09-08 19:59:49,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 19:59:49,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 19:59:49,893 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 19:59:49,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 19:59:49,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 19:59:49,894 INFO L87 Difference]: Start difference. First operand 114270 states and 151995 transitions. Second operand 4 states. [2019-09-08 19:59:52,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:59:52,048 INFO L93 Difference]: Finished difference Result 228691 states and 304548 transitions. [2019-09-08 19:59:52,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 19:59:52,048 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 867 [2019-09-08 19:59:52,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:59:56,748 INFO L225 Difference]: With dead ends: 228691 [2019-09-08 19:59:56,748 INFO L226 Difference]: Without dead ends: 114478 [2019-09-08 19:59:56,973 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 19:59:57,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114478 states. [2019-09-08 19:59:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114478 to 114398. [2019-09-08 19:59:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114398 states. [2019-09-08 19:59:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114398 states to 114398 states and 152263 transitions. [2019-09-08 19:59:59,808 INFO L78 Accepts]: Start accepts. Automaton has 114398 states and 152263 transitions. Word has length 867 [2019-09-08 19:59:59,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:59:59,809 INFO L475 AbstractCegarLoop]: Abstraction has 114398 states and 152263 transitions. [2019-09-08 19:59:59,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 19:59:59,809 INFO L276 IsEmpty]: Start isEmpty. Operand 114398 states and 152263 transitions. [2019-09-08 19:59:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2019-09-08 19:59:59,950 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:59:59,950 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 19:59:59,950 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:59:59,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:59:59,951 INFO L82 PathProgramCache]: Analyzing trace with hash -527673197, now seen corresponding path program 1 times [2019-09-08 19:59:59,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:59:59,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:59:59,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:59:59,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:59:59,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:00,151 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:00:00,152 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:00:00,152 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:00:00,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:00:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:00:02,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 8954 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 20:00:02,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:00:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2019-09-08 20:00:03,139 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:00:03,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-09-08 20:00:03,145 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 20:00:03,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 20:00:03,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 20:00:03,148 INFO L87 Difference]: Start difference. First operand 114398 states and 152263 transitions. Second operand 5 states. [2019-09-08 20:00:05,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:00:05,391 INFO L93 Difference]: Finished difference Result 229027 states and 305240 transitions. [2019-09-08 20:00:05,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 20:00:05,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 868 [2019-09-08 20:00:05,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:00:09,921 INFO L225 Difference]: With dead ends: 229027 [2019-09-08 20:00:09,921 INFO L226 Difference]: Without dead ends: 114686 [2019-09-08 20:00:10,145 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 869 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 20:00:10,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114686 states. [2019-09-08 20:00:12,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114686 to 114430. [2019-09-08 20:00:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114430 states. [2019-09-08 20:00:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114430 states to 114430 states and 152327 transitions. [2019-09-08 20:00:12,932 INFO L78 Accepts]: Start accepts. Automaton has 114430 states and 152327 transitions. Word has length 868 [2019-09-08 20:00:12,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:00:12,933 INFO L475 AbstractCegarLoop]: Abstraction has 114430 states and 152327 transitions. [2019-09-08 20:00:12,933 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 20:00:12,933 INFO L276 IsEmpty]: Start isEmpty. Operand 114430 states and 152327 transitions. [2019-09-08 20:00:13,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2019-09-08 20:00:13,160 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:00:13,161 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:00:13,162 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:00:13,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:00:13,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1808349326, now seen corresponding path program 2 times [2019-09-08 20:00:13,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:00:13,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:00:13,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:13,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:00:13,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:13,350 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:00:13,351 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:00:13,351 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:00:13,388 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 20:00:14,694 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-09-08 20:00:14,694 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:00:14,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 4748 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 20:00:14,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:00:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2019-09-08 20:00:15,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:00:15,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 20:00:15,552 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 20:00:15,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 20:00:15,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 20:00:15,553 INFO L87 Difference]: Start difference. First operand 114430 states and 152327 transitions. Second operand 3 states. [2019-09-08 20:00:17,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:00:17,427 INFO L93 Difference]: Finished difference Result 228835 states and 304660 transitions. [2019-09-08 20:00:17,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 20:00:17,427 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 869 [2019-09-08 20:00:17,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:00:17,901 INFO L225 Difference]: With dead ends: 228835 [2019-09-08 20:00:17,901 INFO L226 Difference]: Without dead ends: 114462 [2019-09-08 20:00:19,018 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 867 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 20:00:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114462 states. [2019-09-08 20:00:26,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114462 to 114430. [2019-09-08 20:00:26,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114430 states. [2019-09-08 20:00:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114430 states to 114430 states and 152311 transitions. [2019-09-08 20:00:26,874 INFO L78 Accepts]: Start accepts. Automaton has 114430 states and 152311 transitions. Word has length 869 [2019-09-08 20:00:26,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:00:26,875 INFO L475 AbstractCegarLoop]: Abstraction has 114430 states and 152311 transitions. [2019-09-08 20:00:26,875 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 20:00:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 114430 states and 152311 transitions. [2019-09-08 20:00:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2019-09-08 20:00:27,016 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:00:27,016 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:00:27,017 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:00:27,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:00:27,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1806559600, now seen corresponding path program 1 times [2019-09-08 20:00:27,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:00:27,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:00:27,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:27,021 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:00:27,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:27,191 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:00:27,192 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:00:27,192 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:00:27,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:00:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:00:29,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 8994 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 20:00:29,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:00:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2019-09-08 20:00:29,816 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:00:29,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 20:00:29,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 20:00:29,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 20:00:29,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 20:00:29,817 INFO L87 Difference]: Start difference. First operand 114430 states and 152311 transitions. Second operand 6 states. [2019-09-08 20:00:32,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:00:32,545 INFO L93 Difference]: Finished difference Result 229267 states and 305696 transitions. [2019-09-08 20:00:32,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 20:00:32,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 869 [2019-09-08 20:00:32,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:00:32,875 INFO L225 Difference]: With dead ends: 229267 [2019-09-08 20:00:32,875 INFO L226 Difference]: Without dead ends: 114894 [2019-09-08 20:00:33,036 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-09-08 20:00:33,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114894 states. [2019-09-08 20:00:35,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114894 to 114462. [2019-09-08 20:00:35,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114462 states. [2019-09-08 20:00:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114462 states to 114462 states and 152375 transitions. [2019-09-08 20:00:36,225 INFO L78 Accepts]: Start accepts. Automaton has 114462 states and 152375 transitions. Word has length 869 [2019-09-08 20:00:36,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:00:36,226 INFO L475 AbstractCegarLoop]: Abstraction has 114462 states and 152375 transitions. [2019-09-08 20:00:36,226 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 20:00:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 114462 states and 152375 transitions. [2019-09-08 20:00:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2019-09-08 20:00:36,368 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:00:36,368 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:00:36,369 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:00:36,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:00:36,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1890661877, now seen corresponding path program 2 times [2019-09-08 20:00:36,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:00:36,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:00:36,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:36,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:00:36,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:36,538 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:00:36,538 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:00:36,538 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:00:36,577 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 20:00:37,873 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-09-08 20:00:37,873 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:00:37,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 4748 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 20:00:37,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:00:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2019-09-08 20:00:38,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:00:38,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 20:00:38,813 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 20:00:38,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 20:00:38,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 20:00:38,814 INFO L87 Difference]: Start difference. First operand 114462 states and 152375 transitions. Second operand 3 states. [2019-09-08 20:00:41,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:00:41,225 INFO L93 Difference]: Finished difference Result 228899 states and 304756 transitions. [2019-09-08 20:00:41,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 20:00:41,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 870 [2019-09-08 20:00:41,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:00:41,567 INFO L225 Difference]: With dead ends: 228899 [2019-09-08 20:00:41,568 INFO L226 Difference]: Without dead ends: 114494 [2019-09-08 20:00:41,744 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 869 GetRequests, 868 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 20:00:41,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114494 states. [2019-09-08 20:00:48,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114494 to 114462. [2019-09-08 20:00:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114462 states. [2019-09-08 20:00:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114462 states to 114462 states and 152359 transitions. [2019-09-08 20:00:48,901 INFO L78 Accepts]: Start accepts. Automaton has 114462 states and 152359 transitions. Word has length 870 [2019-09-08 20:00:48,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:00:48,902 INFO L475 AbstractCegarLoop]: Abstraction has 114462 states and 152359 transitions. [2019-09-08 20:00:48,902 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 20:00:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 114462 states and 152359 transitions. [2019-09-08 20:00:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 871 [2019-09-08 20:00:49,039 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:00:49,039 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:00:49,039 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:00:49,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:00:49,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1081315251, now seen corresponding path program 1 times [2019-09-08 20:00:49,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:00:49,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:00:49,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:49,044 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:00:49,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:00:49,689 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:00:49,689 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:00:49,690 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:00:49,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:00:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:00:51,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 9034 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 20:00:51,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:00:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 137 proven. 6 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2019-09-08 20:00:52,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:00:52,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-09-08 20:00:52,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 20:00:52,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 20:00:52,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 20:00:52,017 INFO L87 Difference]: Start difference. First operand 114462 states and 152359 transitions. Second operand 7 states. [2019-09-08 20:00:54,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:00:54,736 INFO L93 Difference]: Finished difference Result 229507 states and 306152 transitions. [2019-09-08 20:00:54,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 20:00:54,736 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 870 [2019-09-08 20:00:54,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:00:55,086 INFO L225 Difference]: With dead ends: 229507 [2019-09-08 20:00:55,087 INFO L226 Difference]: Without dead ends: 115102 [2019-09-08 20:00:55,277 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 873 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-09-08 20:00:55,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115102 states. [2019-09-08 20:01:02,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115102 to 114494. [2019-09-08 20:01:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114494 states. [2019-09-08 20:01:03,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114494 states to 114494 states and 152423 transitions. [2019-09-08 20:01:03,283 INFO L78 Accepts]: Start accepts. Automaton has 114494 states and 152423 transitions. Word has length 870 [2019-09-08 20:01:03,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:01:03,284 INFO L475 AbstractCegarLoop]: Abstraction has 114494 states and 152423 transitions. [2019-09-08 20:01:03,284 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 20:01:03,284 INFO L276 IsEmpty]: Start isEmpty. Operand 114494 states and 152423 transitions. [2019-09-08 20:01:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2019-09-08 20:01:03,420 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:01:03,420 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:01:03,420 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:01:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:01:03,421 INFO L82 PathProgramCache]: Analyzing trace with hash -268935954, now seen corresponding path program 2 times [2019-09-08 20:01:03,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:01:03,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:01:03,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:01:03,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:01:03,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:01:03,565 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:01:03,566 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:01:03,566 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:01:03,601 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 20:01:55,611 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 20:01:55,611 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:01:55,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 9074 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 20:01:55,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:01:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 138 proven. 10 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2019-09-08 20:01:56,375 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:01:56,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-08 20:01:56,376 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 20:01:56,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 20:01:56,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-08 20:01:56,377 INFO L87 Difference]: Start difference. First operand 114494 states and 152423 transitions. Second operand 8 states. [2019-09-08 20:01:59,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:01:59,448 INFO L93 Difference]: Finished difference Result 229747 states and 306640 transitions. [2019-09-08 20:01:59,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 20:01:59,448 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 871 [2019-09-08 20:01:59,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:01:59,779 INFO L225 Difference]: With dead ends: 229747 [2019-09-08 20:01:59,779 INFO L226 Difference]: Without dead ends: 115310 [2019-09-08 20:01:59,952 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2019-09-08 20:02:00,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115310 states. [2019-09-08 20:02:03,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115310 to 114526. [2019-09-08 20:02:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114526 states. [2019-09-08 20:02:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114526 states to 114526 states and 152487 transitions. [2019-09-08 20:02:03,460 INFO L78 Accepts]: Start accepts. Automaton has 114526 states and 152487 transitions. Word has length 871 [2019-09-08 20:02:03,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:02:03,461 INFO L475 AbstractCegarLoop]: Abstraction has 114526 states and 152487 transitions. [2019-09-08 20:02:03,462 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 20:02:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 114526 states and 152487 transitions. [2019-09-08 20:02:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2019-09-08 20:02:03,622 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:02:03,623 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:02:03,623 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:02:03,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:02:03,624 INFO L82 PathProgramCache]: Analyzing trace with hash 822949651, now seen corresponding path program 3 times [2019-09-08 20:02:03,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:02:03,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:02:03,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:02:03,628 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:02:03,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:02:03,766 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:02:03,766 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:02:03,767 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:02:03,797 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 20:02:57,003 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-09-08 20:02:57,004 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:02:57,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 6636 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 20:02:57,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:02:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2019-09-08 20:02:58,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:02:58,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 20:02:58,312 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 20:02:58,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 20:02:58,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 20:02:58,313 INFO L87 Difference]: Start difference. First operand 114526 states and 152487 transitions. Second operand 4 states. [2019-09-08 20:03:00,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:03:00,992 INFO L93 Difference]: Finished difference Result 229163 states and 305393 transitions. [2019-09-08 20:03:00,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 20:03:00,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 872 [2019-09-08 20:03:00,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:03:01,342 INFO L225 Difference]: With dead ends: 229163 [2019-09-08 20:03:01,342 INFO L226 Difference]: Without dead ends: 114694 [2019-09-08 20:03:01,523 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 20:03:01,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114694 states. [2019-09-08 20:03:04,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114694 to 114622. [2019-09-08 20:03:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114622 states. [2019-09-08 20:03:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114622 states to 114622 states and 152679 transitions. [2019-09-08 20:03:04,920 INFO L78 Accepts]: Start accepts. Automaton has 114622 states and 152679 transitions. Word has length 872 [2019-09-08 20:03:04,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:03:04,921 INFO L475 AbstractCegarLoop]: Abstraction has 114622 states and 152679 transitions. [2019-09-08 20:03:04,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 20:03:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 114622 states and 152679 transitions. [2019-09-08 20:03:10,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2019-09-08 20:03:10,311 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:03:10,312 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:03:10,312 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:03:10,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:03:10,312 INFO L82 PathProgramCache]: Analyzing trace with hash -869596108, now seen corresponding path program 1 times [2019-09-08 20:03:10,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:03:10,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:03:10,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:03:10,315 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:03:10,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:03:10,460 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:03:10,460 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:03:10,460 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:03:10,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:03:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:03:12,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 9199 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 20:03:12,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:03:12,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 489 proven. 15 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2019-09-08 20:03:12,903 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:03:12,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-08 20:03:12,904 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 20:03:12,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 20:03:12,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-09-08 20:03:12,904 INFO L87 Difference]: Start difference. First operand 114622 states and 152679 transitions. Second operand 9 states. [2019-09-08 20:03:15,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:03:15,804 INFO L93 Difference]: Finished difference Result 230179 states and 307512 transitions. [2019-09-08 20:03:15,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 20:03:15,804 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 880 [2019-09-08 20:03:15,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:03:16,133 INFO L225 Difference]: With dead ends: 230179 [2019-09-08 20:03:16,133 INFO L226 Difference]: Without dead ends: 115614 [2019-09-08 20:03:16,304 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 872 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2019-09-08 20:03:16,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115614 states. [2019-09-08 20:03:18,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115614 to 114654. [2019-09-08 20:03:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114654 states. [2019-09-08 20:03:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114654 states to 114654 states and 152743 transitions. [2019-09-08 20:03:19,312 INFO L78 Accepts]: Start accepts. Automaton has 114654 states and 152743 transitions. Word has length 880 [2019-09-08 20:03:19,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:03:19,312 INFO L475 AbstractCegarLoop]: Abstraction has 114654 states and 152743 transitions. [2019-09-08 20:03:19,313 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 20:03:19,313 INFO L276 IsEmpty]: Start isEmpty. Operand 114654 states and 152743 transitions. [2019-09-08 20:03:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2019-09-08 20:03:20,080 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:03:20,080 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:03:20,081 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:03:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:03:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1518912431, now seen corresponding path program 2 times [2019-09-08 20:03:20,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:03:20,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:03:20,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:03:20,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:03:20,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:03:20,218 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:03:20,218 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:03:20,219 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:03:20,251 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 20:03:46,562 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 20:03:46,562 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:03:46,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 9239 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 20:03:46,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:03:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 490 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2019-09-08 20:03:51,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:03:51,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 20:03:51,081 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 20:03:51,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 20:03:51,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 20:03:51,082 INFO L87 Difference]: Start difference. First operand 114654 states and 152743 transitions. Second operand 4 states. [2019-09-08 20:03:53,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:03:53,464 INFO L93 Difference]: Finished difference Result 229503 states and 306144 transitions. [2019-09-08 20:03:53,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 20:03:53,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 881 [2019-09-08 20:03:53,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:03:53,792 INFO L225 Difference]: With dead ends: 229503 [2019-09-08 20:03:53,792 INFO L226 Difference]: Without dead ends: 114906 [2019-09-08 20:03:53,941 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 881 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 20:03:54,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114906 states. [2019-09-08 20:03:56,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114906 to 114686. [2019-09-08 20:03:56,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114686 states. [2019-09-08 20:03:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114686 states to 114686 states and 152807 transitions. [2019-09-08 20:03:56,871 INFO L78 Accepts]: Start accepts. Automaton has 114686 states and 152807 transitions. Word has length 881 [2019-09-08 20:03:56,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:03:56,872 INFO L475 AbstractCegarLoop]: Abstraction has 114686 states and 152807 transitions. [2019-09-08 20:03:56,872 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 20:03:56,872 INFO L276 IsEmpty]: Start isEmpty. Operand 114686 states and 152807 transitions. [2019-09-08 20:03:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2019-09-08 20:03:57,015 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:03:57,016 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:03:57,016 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:03:57,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:03:57,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1594664082, now seen corresponding path program 1 times [2019-09-08 20:03:57,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:03:57,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:03:57,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:03:57,021 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:03:57,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:03:57,149 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:03:57,150 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:03:57,150 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:03:57,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:03:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:03:59,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 9249 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 20:03:59,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:04:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 491 proven. 1 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2019-09-08 20:04:00,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:04:00,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-09-08 20:04:00,172 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 20:04:00,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 20:04:00,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 20:04:00,173 INFO L87 Difference]: Start difference. First operand 114686 states and 152807 transitions. Second operand 5 states. [2019-09-08 20:04:05,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:04:05,729 INFO L93 Difference]: Finished difference Result 229723 states and 306592 transitions. [2019-09-08 20:04:05,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 20:04:05,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 882 [2019-09-08 20:04:05,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:04:06,096 INFO L225 Difference]: With dead ends: 229723 [2019-09-08 20:04:06,096 INFO L226 Difference]: Without dead ends: 115094 [2019-09-08 20:04:06,298 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 20:04:06,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115094 states. [2019-09-08 20:04:09,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115094 to 114718. [2019-09-08 20:04:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114718 states. [2019-09-08 20:04:09,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114718 states to 114718 states and 152871 transitions. [2019-09-08 20:04:09,838 INFO L78 Accepts]: Start accepts. Automaton has 114718 states and 152871 transitions. Word has length 882 [2019-09-08 20:04:09,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:04:09,839 INFO L475 AbstractCegarLoop]: Abstraction has 114718 states and 152871 transitions. [2019-09-08 20:04:09,839 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 20:04:09,839 INFO L276 IsEmpty]: Start isEmpty. Operand 114718 states and 152871 transitions. [2019-09-08 20:04:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2019-09-08 20:04:09,993 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:04:09,994 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:04:09,994 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:04:09,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:04:09,994 INFO L82 PathProgramCache]: Analyzing trace with hash -352002033, now seen corresponding path program 2 times [2019-09-08 20:04:09,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:04:09,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:04:09,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:04:09,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:04:09,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:04:10,141 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:04:10,141 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:04:10,141 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:04:10,190 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 20:04:37,925 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 20:04:37,925 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:04:38,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 9259 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 20:04:38,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:04:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-09-08 20:04:39,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:04:39,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 20:04:39,186 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 20:04:39,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 20:04:39,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 20:04:39,187 INFO L87 Difference]: Start difference. First operand 114718 states and 152871 transitions. Second operand 5 states. [2019-09-08 20:04:41,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:04:41,245 INFO L93 Difference]: Finished difference Result 179204 states and 237885 transitions. [2019-09-08 20:04:41,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 20:04:41,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 883 [2019-09-08 20:04:41,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:04:41,432 INFO L225 Difference]: With dead ends: 179204 [2019-09-08 20:04:41,432 INFO L226 Difference]: Without dead ends: 64523 [2019-09-08 20:04:41,590 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 20:04:41,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64523 states. [2019-09-08 20:04:42,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64523 to 64483. [2019-09-08 20:04:42,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64483 states. [2019-09-08 20:04:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64483 states to 64483 states and 84964 transitions. [2019-09-08 20:04:42,998 INFO L78 Accepts]: Start accepts. Automaton has 64483 states and 84964 transitions. Word has length 883 [2019-09-08 20:04:42,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:04:42,999 INFO L475 AbstractCegarLoop]: Abstraction has 64483 states and 84964 transitions. [2019-09-08 20:04:42,999 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 20:04:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 64483 states and 84964 transitions. [2019-09-08 20:04:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2019-09-08 20:04:43,844 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:04:43,845 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:04:43,845 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:04:43,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:04:43,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1939355712, now seen corresponding path program 1 times [2019-09-08 20:04:43,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:04:43,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:04:43,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:04:43,851 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:04:43,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:04:44,022 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:04:44,022 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:04:44,022 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:04:44,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:04:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:04:46,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 9180 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 20:04:46,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:04:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-09-08 20:04:46,530 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:04:46,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-09-08 20:04:46,531 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 20:04:46,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 20:04:46,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 20:04:46,532 INFO L87 Difference]: Start difference. First operand 64483 states and 84964 transitions. Second operand 5 states. [2019-09-08 20:04:48,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:04:48,095 INFO L93 Difference]: Finished difference Result 129041 states and 170218 transitions. [2019-09-08 20:04:48,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 20:04:48,096 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 876 [2019-09-08 20:04:48,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:04:48,299 INFO L225 Difference]: With dead ends: 129041 [2019-09-08 20:04:48,299 INFO L226 Difference]: Without dead ends: 64607 [2019-09-08 20:04:48,408 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 872 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-09-08 20:04:48,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64607 states. [2019-09-08 20:04:50,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64607 to 64503. [2019-09-08 20:04:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64503 states. [2019-09-08 20:04:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64503 states to 64503 states and 85000 transitions. [2019-09-08 20:04:50,457 INFO L78 Accepts]: Start accepts. Automaton has 64503 states and 85000 transitions. Word has length 876 [2019-09-08 20:04:50,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:04:50,458 INFO L475 AbstractCegarLoop]: Abstraction has 64503 states and 85000 transitions. [2019-09-08 20:04:50,458 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 20:04:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 64503 states and 85000 transitions. [2019-09-08 20:04:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2019-09-08 20:04:50,594 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:04:50,594 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:04:50,595 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:04:50,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:04:50,595 INFO L82 PathProgramCache]: Analyzing trace with hash 710367278, now seen corresponding path program 2 times [2019-09-08 20:04:50,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:04:50,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:04:50,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:04:50,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:04:50,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:04:50,743 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:04:50,743 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:04:50,743 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:04:50,792 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 20:05:44,595 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 20:05:44,595 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:05:44,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 9186 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 20:05:44,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:05:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 41 proven. 3 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2019-09-08 20:05:45,418 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:05:45,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 20:05:45,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 20:05:45,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 20:05:45,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 20:05:45,420 INFO L87 Difference]: Start difference. First operand 64503 states and 85000 transitions. Second operand 6 states. [2019-09-08 20:05:46,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:05:46,548 INFO L93 Difference]: Finished difference Result 129149 states and 170427 transitions. [2019-09-08 20:05:46,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 20:05:46,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 877 [2019-09-08 20:05:46,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:05:47,197 INFO L225 Difference]: With dead ends: 129149 [2019-09-08 20:05:47,197 INFO L226 Difference]: Without dead ends: 64695 [2019-09-08 20:05:47,275 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 872 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-09-08 20:05:47,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64695 states. [2019-09-08 20:05:48,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64695 to 64523. [2019-09-08 20:05:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64523 states. [2019-09-08 20:05:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64523 states to 64523 states and 85036 transitions. [2019-09-08 20:05:48,860 INFO L78 Accepts]: Start accepts. Automaton has 64523 states and 85036 transitions. Word has length 877 [2019-09-08 20:05:48,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:05:48,861 INFO L475 AbstractCegarLoop]: Abstraction has 64523 states and 85036 transitions. [2019-09-08 20:05:48,861 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 20:05:48,861 INFO L276 IsEmpty]: Start isEmpty. Operand 64523 states and 85036 transitions. [2019-09-08 20:05:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2019-09-08 20:05:48,988 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:05:48,989 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:05:48,989 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:05:48,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:05:48,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1247401344, now seen corresponding path program 3 times [2019-09-08 20:05:48,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:05:48,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:05:48,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:05:48,994 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:05:48,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:05:52,800 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:05:52,800 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:05:52,800 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:05:52,836 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 20:06:46,983 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-09-08 20:06:46,983 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:06:47,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 6636 conjuncts, 17 conjunts are in the unsatisfiable core [2019-09-08 20:06:47,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:06:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2019-09-08 20:06:47,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:06:47,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 20:06:47,443 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 20:06:47,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 20:06:47,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 20:06:47,443 INFO L87 Difference]: Start difference. First operand 64523 states and 85036 transitions. Second operand 8 states. [2019-09-08 20:06:49,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:06:49,212 INFO L93 Difference]: Finished difference Result 129069 states and 170118 transitions. [2019-09-08 20:06:49,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 20:06:49,212 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 878 [2019-09-08 20:06:49,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:06:49,395 INFO L225 Difference]: With dead ends: 129069 [2019-09-08 20:06:49,395 INFO L226 Difference]: Without dead ends: 64603 [2019-09-08 20:06:49,494 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 879 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-08 20:06:49,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64603 states. [2019-09-08 20:06:51,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64603 to 64571. [2019-09-08 20:06:51,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64571 states. [2019-09-08 20:06:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64571 states to 64571 states and 85092 transitions. [2019-09-08 20:06:51,329 INFO L78 Accepts]: Start accepts. Automaton has 64571 states and 85092 transitions. Word has length 878 [2019-09-08 20:06:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:06:51,330 INFO L475 AbstractCegarLoop]: Abstraction has 64571 states and 85092 transitions. [2019-09-08 20:06:51,330 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 20:06:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 64571 states and 85092 transitions. [2019-09-08 20:06:51,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2019-09-08 20:06:51,458 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:06:51,459 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:06:51,459 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:06:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:06:51,460 INFO L82 PathProgramCache]: Analyzing trace with hash 812628923, now seen corresponding path program 1 times [2019-09-08 20:06:51,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:06:51,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:06:51,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:06:51,464 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:06:51,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:06:51,635 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:06:51,636 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:06:51,636 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:06:51,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:06:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:06:53,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 9318 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 20:06:53,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:06:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2019-09-08 20:06:54,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:06:54,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 20:06:54,499 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 20:06:54,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 20:06:54,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 20:06:54,500 INFO L87 Difference]: Start difference. First operand 64571 states and 85092 transitions. Second operand 8 states. [2019-09-08 20:06:58,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:06:58,489 INFO L93 Difference]: Finished difference Result 155040 states and 204432 transitions. [2019-09-08 20:06:58,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 20:06:58,490 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 900 [2019-09-08 20:06:58,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:06:58,785 INFO L225 Difference]: With dead ends: 155040 [2019-09-08 20:06:58,785 INFO L226 Difference]: Without dead ends: 90526 [2019-09-08 20:06:59,506 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 906 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-09-08 20:06:59,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90526 states. [2019-09-08 20:07:01,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90526 to 64619. [2019-09-08 20:07:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64619 states. [2019-09-08 20:07:01,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64619 states to 64619 states and 85156 transitions. [2019-09-08 20:07:01,218 INFO L78 Accepts]: Start accepts. Automaton has 64619 states and 85156 transitions. Word has length 900 [2019-09-08 20:07:01,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:07:01,219 INFO L475 AbstractCegarLoop]: Abstraction has 64619 states and 85156 transitions. [2019-09-08 20:07:01,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 20:07:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 64619 states and 85156 transitions. [2019-09-08 20:07:01,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2019-09-08 20:07:01,352 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:07:01,353 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:07:01,353 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:07:01,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:07:01,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1152526721, now seen corresponding path program 1 times [2019-09-08 20:07:01,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:07:01,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:07:01,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:07:01,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:07:01,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:07:01,475 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:07:01,475 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:07:01,475 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:07:01,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:07:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:07:04,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 9401 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 20:07:04,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:07:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2019-09-08 20:07:04,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:07:04,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 20:07:04,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 20:07:04,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 20:07:04,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 20:07:04,509 INFO L87 Difference]: Start difference. First operand 64619 states and 85156 transitions. Second operand 9 states. [2019-09-08 20:07:09,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:07:09,141 INFO L93 Difference]: Finished difference Result 155244 states and 204700 transitions. [2019-09-08 20:07:09,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 20:07:09,141 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 919 [2019-09-08 20:07:09,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:07:09,472 INFO L225 Difference]: With dead ends: 155244 [2019-09-08 20:07:09,472 INFO L226 Difference]: Without dead ends: 90682 [2019-09-08 20:07:09,604 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 928 GetRequests, 911 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-08 20:07:09,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90682 states. [2019-09-08 20:07:11,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90682 to 64659. [2019-09-08 20:07:11,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64659 states. [2019-09-08 20:07:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64659 states to 64659 states and 85212 transitions. [2019-09-08 20:07:12,126 INFO L78 Accepts]: Start accepts. Automaton has 64659 states and 85212 transitions. Word has length 919 [2019-09-08 20:07:12,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:07:12,127 INFO L475 AbstractCegarLoop]: Abstraction has 64659 states and 85212 transitions. [2019-09-08 20:07:12,127 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 20:07:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 64659 states and 85212 transitions. [2019-09-08 20:07:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2019-09-08 20:07:12,276 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:07:12,277 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:07:12,277 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:07:12,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:07:12,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1983960592, now seen corresponding path program 1 times [2019-09-08 20:07:12,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:07:12,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:07:12,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:07:12,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:07:12,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:07:12,426 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:07:12,426 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:07:12,426 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:07:12,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:07:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:07:14,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 9443 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 20:07:14,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:07:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2019-09-08 20:07:15,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:07:15,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 20:07:15,540 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 20:07:15,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 20:07:15,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 20:07:15,541 INFO L87 Difference]: Start difference. First operand 64659 states and 85212 transitions. Second operand 9 states. [2019-09-08 20:07:20,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:07:20,232 INFO L93 Difference]: Finished difference Result 155236 states and 204684 transitions. [2019-09-08 20:07:20,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 20:07:20,232 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 929 [2019-09-08 20:07:20,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:07:20,483 INFO L225 Difference]: With dead ends: 155236 [2019-09-08 20:07:20,483 INFO L226 Difference]: Without dead ends: 90634 [2019-09-08 20:07:20,583 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 938 GetRequests, 921 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-08 20:07:20,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90634 states. [2019-09-08 20:07:23,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90634 to 64571. [2019-09-08 20:07:23,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64571 states. [2019-09-08 20:07:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64571 states to 64571 states and 85092 transitions. [2019-09-08 20:07:23,224 INFO L78 Accepts]: Start accepts. Automaton has 64571 states and 85092 transitions. Word has length 929 [2019-09-08 20:07:23,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:07:23,225 INFO L475 AbstractCegarLoop]: Abstraction has 64571 states and 85092 transitions. [2019-09-08 20:07:23,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 20:07:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 64571 states and 85092 transitions. [2019-09-08 20:07:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 970 [2019-09-08 20:07:23,364 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:07:23,365 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:07:23,365 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:07:23,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:07:23,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1032155170, now seen corresponding path program 1 times [2019-09-08 20:07:23,365 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:07:23,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:07:23,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:07:23,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:07:23,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:07:23,496 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:07:23,497 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:07:23,497 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:07:23,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:07:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:07:25,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 9814 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 20:07:25,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:07:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2019-09-08 20:07:26,568 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:07:26,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-09-08 20:07:26,569 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 20:07:26,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 20:07:26,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-08 20:07:26,570 INFO L87 Difference]: Start difference. First operand 64571 states and 85092 transitions. Second operand 7 states. [2019-09-08 20:07:27,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:07:27,982 INFO L93 Difference]: Finished difference Result 129353 states and 170748 transitions. [2019-09-08 20:07:27,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 20:07:27,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 969 [2019-09-08 20:07:27,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:07:28,191 INFO L225 Difference]: With dead ends: 129353 [2019-09-08 20:07:28,191 INFO L226 Difference]: Without dead ends: 64831 [2019-09-08 20:07:28,299 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 963 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-09-08 20:07:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64831 states. [2019-09-08 20:07:34,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64831 to 64591. [2019-09-08 20:07:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64591 states. [2019-09-08 20:07:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64591 states to 64591 states and 85128 transitions. [2019-09-08 20:07:34,373 INFO L78 Accepts]: Start accepts. Automaton has 64591 states and 85128 transitions. Word has length 969 [2019-09-08 20:07:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:07:34,374 INFO L475 AbstractCegarLoop]: Abstraction has 64591 states and 85128 transitions. [2019-09-08 20:07:34,374 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 20:07:34,375 INFO L276 IsEmpty]: Start isEmpty. Operand 64591 states and 85128 transitions. [2019-09-08 20:07:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2019-09-08 20:07:34,537 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:07:34,538 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:07:34,538 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:07:34,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:07:34,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1231186992, now seen corresponding path program 2 times [2019-09-08 20:07:34,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:07:34,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:07:34,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:07:34,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:07:34,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:07:34,690 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:07:34,690 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:07:34,690 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:07:34,723 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 20:08:31,372 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 20:08:31,372 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:08:31,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 9820 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 20:08:31,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:08:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 53 proven. 10 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2019-09-08 20:08:31,875 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 20:08:31,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-08 20:08:31,876 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 20:08:31,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 20:08:31,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-08 20:08:31,876 INFO L87 Difference]: Start difference. First operand 64591 states and 85128 transitions. Second operand 8 states. [2019-09-08 20:08:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:08:33,670 INFO L93 Difference]: Finished difference Result 129461 states and 170957 transitions. [2019-09-08 20:08:33,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 20:08:33,671 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 970 [2019-09-08 20:08:33,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:08:33,867 INFO L225 Difference]: With dead ends: 129461 [2019-09-08 20:08:33,867 INFO L226 Difference]: Without dead ends: 64919 [2019-09-08 20:08:33,972 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 974 GetRequests, 963 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2019-09-08 20:08:34,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64919 states. [2019-09-08 20:08:35,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64919 to 64611. [2019-09-08 20:08:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64611 states. [2019-09-08 20:08:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64611 states to 64611 states and 85164 transitions. [2019-09-08 20:08:36,154 INFO L78 Accepts]: Start accepts. Automaton has 64611 states and 85164 transitions. Word has length 970 [2019-09-08 20:08:36,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:08:36,155 INFO L475 AbstractCegarLoop]: Abstraction has 64611 states and 85164 transitions. [2019-09-08 20:08:36,155 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 20:08:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 64611 states and 85164 transitions. [2019-09-08 20:08:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 972 [2019-09-08 20:08:36,296 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:08:36,296 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:08:36,297 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:08:36,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:08:36,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1188761118, now seen corresponding path program 3 times [2019-09-08 20:08:36,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:08:36,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:08:36,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:08:36,300 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:08:36,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:08:36,418 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:08:36,418 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:08:36,418 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:08:36,447 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 20:09:32,194 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-09-08 20:09:32,194 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 20:09:32,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 6637 conjuncts, 23 conjunts are in the unsatisfiable core [2019-09-08 20:09:32,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:09:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2019-09-08 20:09:33,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:09:33,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 20:09:33,173 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 20:09:33,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 20:09:33,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 20:09:33,174 INFO L87 Difference]: Start difference. First operand 64611 states and 85164 transitions. Second operand 6 states. [2019-09-08 20:09:34,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:09:34,660 INFO L93 Difference]: Finished difference Result 129713 states and 171142 transitions. [2019-09-08 20:09:34,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 20:09:34,661 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 971 [2019-09-08 20:09:34,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:09:35,355 INFO L225 Difference]: With dead ends: 129713 [2019-09-08 20:09:35,355 INFO L226 Difference]: Without dead ends: 65159 [2019-09-08 20:09:35,443 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 971 GetRequests, 966 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 20:09:35,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65159 states. [2019-09-08 20:09:36,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65159 to 64681. [2019-09-08 20:09:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64681 states. [2019-09-08 20:09:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64681 states to 64681 states and 85258 transitions. [2019-09-08 20:09:37,104 INFO L78 Accepts]: Start accepts. Automaton has 64681 states and 85258 transitions. Word has length 971 [2019-09-08 20:09:37,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:09:37,104 INFO L475 AbstractCegarLoop]: Abstraction has 64681 states and 85258 transitions. [2019-09-08 20:09:37,105 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 20:09:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 64681 states and 85258 transitions. [2019-09-08 20:09:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 979 [2019-09-08 20:09:37,240 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:09:37,241 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:09:37,241 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:09:37,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:09:37,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1830776336, now seen corresponding path program 1 times [2019-09-08 20:09:37,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:09:37,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:09:37,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:09:37,246 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 20:09:37,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:09:37,364 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:09:37,365 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:09:37,365 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:09:37,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:09:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:09:40,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 9846 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 20:09:40,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:09:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2019-09-08 20:09:40,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:09:40,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 20:09:40,388 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 20:09:40,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 20:09:40,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 20:09:40,389 INFO L87 Difference]: Start difference. First operand 64681 states and 85258 transitions. Second operand 3 states. [2019-09-08 20:09:45,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 20:09:45,002 INFO L93 Difference]: Finished difference Result 129401 states and 170770 transitions. [2019-09-08 20:09:45,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 20:09:45,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 978 [2019-09-08 20:09:45,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 20:09:45,191 INFO L225 Difference]: With dead ends: 129401 [2019-09-08 20:09:45,191 INFO L226 Difference]: Without dead ends: 64777 [2019-09-08 20:09:45,292 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 977 GetRequests, 976 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 20:09:45,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64777 states. [2019-09-08 20:09:47,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64777 to 64705. [2019-09-08 20:09:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64705 states. [2019-09-08 20:09:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64705 states to 64705 states and 85282 transitions. [2019-09-08 20:09:47,320 INFO L78 Accepts]: Start accepts. Automaton has 64705 states and 85282 transitions. Word has length 978 [2019-09-08 20:09:47,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 20:09:47,320 INFO L475 AbstractCegarLoop]: Abstraction has 64705 states and 85282 transitions. [2019-09-08 20:09:47,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 20:09:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 64705 states and 85282 transitions. [2019-09-08 20:09:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 979 [2019-09-08 20:09:47,462 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 20:09:47,462 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 20:09:47,463 INFO L418 AbstractCegarLoop]: === Iteration 37 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 20:09:47,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 20:09:47,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2124634066, now seen corresponding path program 1 times [2019-09-08 20:09:47,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 20:09:47,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 20:09:47,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:09:47,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:09:47,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 20:09:47,590 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 20:09:47,591 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 20:09:47,591 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 20:09:47,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 20:09:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 20:09:49,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 9847 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 20:09:49,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 20:09:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 839 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2019-09-08 20:09:50,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 20:09:50,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 20:09:50,586 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 20:09:50,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 20:09:50,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 20:09:50,586 INFO L87 Difference]: Start difference. First operand 64705 states and 85282 transitions. Second operand 3 states.