java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 07:02:46,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 07:02:46,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 07:02:46,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 07:02:46,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 07:02:46,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 07:02:46,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 07:02:46,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 07:02:46,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 07:02:46,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 07:02:46,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 07:02:46,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 07:02:46,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 07:02:46,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 07:02:46,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 07:02:46,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 07:02:46,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 07:02:46,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 07:02:46,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 07:02:46,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 07:02:46,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 07:02:46,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 07:02:46,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 07:02:46,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 07:02:46,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 07:02:46,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 07:02:46,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 07:02:46,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 07:02:46,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 07:02:46,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 07:02:46,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 07:02:46,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 07:02:46,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 07:02:46,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 07:02:46,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 07:02:46,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 07:02:46,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 07:02:46,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 07:02:46,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 07:02:46,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 07:02:46,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 07:02:46,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 07:02:46,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 07:02:46,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 07:02:46,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 07:02:46,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 07:02:46,345 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 07:02:46,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 07:02:46,345 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 07:02:46,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 07:02:46,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 07:02:46,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 07:02:46,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 07:02:46,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 07:02:46,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 07:02:46,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 07:02:46,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 07:02:46,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 07:02:46,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 07:02:46,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 07:02:46,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 07:02:46,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 07:02:46,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 07:02:46,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 07:02:46,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 07:02:46,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 07:02:46,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 07:02:46,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 07:02:46,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 07:02:46,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 07:02:46,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 07:02:46,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 07:02:46,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 07:02:46,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 07:02:46,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 07:02:46,402 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 07:02:46,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i [2019-10-02 07:02:46,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74997a45/675d0cd31fed447295b5ae10c765e2c0/FLAGf93d07ea0 [2019-10-02 07:02:47,316 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 07:02:47,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i [2019-10-02 07:02:47,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74997a45/675d0cd31fed447295b5ae10c765e2c0/FLAGf93d07ea0 [2019-10-02 07:02:47,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e74997a45/675d0cd31fed447295b5ae10c765e2c0 [2019-10-02 07:02:47,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 07:02:47,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 07:02:47,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 07:02:47,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 07:02:47,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 07:02:47,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:02:47" (1/1) ... [2019-10-02 07:02:47,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56714b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:47, skipping insertion in model container [2019-10-02 07:02:47,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:02:47" (1/1) ... [2019-10-02 07:02:47,807 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 07:02:47,951 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 07:02:50,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 07:02:50,443 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 07:02:50,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 07:02:51,178 INFO L192 MainTranslator]: Completed translation [2019-10-02 07:02:51,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51 WrapperNode [2019-10-02 07:02:51,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 07:02:51,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 07:02:51,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 07:02:51,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 07:02:51,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (1/1) ... [2019-10-02 07:02:51,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (1/1) ... [2019-10-02 07:02:51,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (1/1) ... [2019-10-02 07:02:51,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (1/1) ... [2019-10-02 07:02:51,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (1/1) ... [2019-10-02 07:02:51,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (1/1) ... [2019-10-02 07:02:51,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (1/1) ... [2019-10-02 07:02:51,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 07:02:51,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 07:02:51,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 07:02:51,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 07:02:51,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 07:02:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 07:02:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 07:02:51,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-02 07:02:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-02 07:02:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 07:02:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-02 07:02:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-10-02 07:02:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~dma_cookie_t~0 [2019-10-02 07:02:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-02 07:02:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 07:02:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 07:02:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 07:02:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 07:02:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 07:02:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2019-10-02 07:02:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 07:02:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 07:02:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-02 07:02:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-02 07:02:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-02 07:02:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-02 07:02:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-02 07:02:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 07:02:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 07:02:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 07:02:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 07:02:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2019-10-02 07:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_slave_sg [2019-10-02 07:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_set [2019-10-02 07:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_zero [2019-10-02 07:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-02 07:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-02 07:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-02 07:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-02 07:02:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_range_for_device [2019-10-02 07:02:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2019-10-02 07:02:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-10-02 07:02:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-10-02 07:02:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-02 07:02:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-02 07:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-02 07:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-02 07:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 07:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 07:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 07:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 07:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 07:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 07:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 07:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 07:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 07:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-02 07:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-02 07:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-10-02 07:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-10-02 07:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 07:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 07:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-02 07:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-02 07:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-02 07:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-02 07:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-02 07:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-02 07:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-02 07:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-10-02 07:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-10-02 07:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-10-02 07:02:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-10-02 07:02:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2019-10-02 07:02:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_resume_dma [2019-10-02 07:02:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_select_bank [2019-10-02 07:02:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_write8 [2019-10-02 07:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_write16 [2019-10-02 07:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_enable_bits [2019-10-02 07:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_clear_bits [2019-10-02 07:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_write32 [2019-10-02 07:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_read8 [2019-10-02 07:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_read16 [2019-10-02 07:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_read32 [2019-10-02 07:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_reset [2019-10-02 07:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_update_link_status [2019-10-02 07:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_enable_tx [2019-10-02 07:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_disable_tx [2019-10-02 07:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_enable_rx [2019-10-02 07:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_disable_rx [2019-10-02 07:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_reset_hw [2019-10-02 07:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_read_mac_addr [2019-10-02 07:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_write_mac_addr [2019-10-02 07:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_tx_fifo_space [2019-10-02 07:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_tx_frame_dma [2019-10-02 07:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_tx_frame [2019-10-02 07:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_update_rx_err_counters [2019-10-02 07:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_update_rx_counters [2019-10-02 07:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __ks8842_start_new_rx_dma [2019-10-02 07:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_rx_frame_dma_tasklet [2019-10-02 07:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_rx_frame [2019-10-02 07:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_handle_rx [2019-10-02 07:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_handle_tx [2019-10-02 07:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_handle_rx_overrun [2019-10-02 07:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_tasklet [2019-10-02 07:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_irq [2019-10-02 07:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_dma_rx_cb [2019-10-02 07:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_dma_tx_cb [2019-10-02 07:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_stop_dma [2019-10-02 07:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_dealloc_dma_bufs [2019-10-02 07:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_dma_filter_fn [2019-10-02 07:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_alloc_dma_bufs [2019-10-02 07:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_open [2019-10-02 07:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_close [2019-10-02 07:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_xmit_frame [2019-10-02 07:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_set_mac [2019-10-02 07:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_tx_timeout_work [2019-10-02 07:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_tx_timeout [2019-10-02 07:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_probe [2019-10-02 07:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_remove [2019-10-02 07:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_platform_driver_init [2019-10-02 07:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8842_platform_driver_exit [2019-10-02 07:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-02 07:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-02 07:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-02 07:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-10-02 07:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-02 07:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_2 [2019-10-02 07:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-02 07:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 07:02:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-02 07:02:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-02 07:02:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-02 07:02:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-02 07:02:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-02 07:02:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2019-10-02 07:02:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2019-10-02 07:02:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2019-10-02 07:02:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_15 [2019-10-02 07:02:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2019-10-02 07:02:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_17 [2019-10-02 07:02:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2019-10-02 07:02:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_19 [2019-10-02 07:02:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_20 [2019-10-02 07:02:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_21 [2019-10-02 07:02:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_22 [2019-10-02 07:02:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-02 07:02:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-02 07:02:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-02 07:02:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-02 07:02:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-02 07:02:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 07:02:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 07:02:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 07:02:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 07:02:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-02 07:02:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 07:02:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-02 07:02:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-02 07:02:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-02 07:02:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-02 07:02:51,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-02 07:02:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 07:02:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_channel [2019-10-02 07:02:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-02 07:02:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-02 07:02:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-02 07:02:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-02 07:02:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-02 07:02:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-10-02 07:02:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 07:02:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-02 07:02:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-02 07:02:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-02 07:02:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 07:02:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 07:02:51,662 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-10-02 07:02:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-02 07:02:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-02 07:02:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_mapping_error [2019-10-02 07:02:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_sync_single_range_for_device [2019-10-02 07:02:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-02 07:02:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2019-10-02 07:02:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-10-02 07:02:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-10-02 07:02:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-10-02 07:02:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-02 07:02:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-02 07:02:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-10-02 07:02:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2019-10-02 07:02:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-02 07:02:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-02 07:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-02 07:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-02 07:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2019-10-02 07:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-02 07:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2019-10-02 07:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-10-02 07:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-10-02 07:02:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-02 07:02:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-02 07:02:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-02 07:02:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-02 07:02:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-10-02 07:02:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-10-02 07:02:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-10-02 07:02:51,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 07:02:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-02 07:02:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-02 07:02:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-02 07:02:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-10-02 07:02:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 07:02:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-02 07:02:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-02 07:02:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-02 07:02:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 07:02:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 07:02:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 07:02:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 07:02:51,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 07:02:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 07:02:51,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-02 07:02:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 07:02:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 07:02:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 07:02:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 07:02:51,669 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 07:02:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 07:02:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 07:02:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 07:02:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-02 07:02:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 07:02:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 07:02:51,670 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 07:02:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-02 07:02:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 07:02:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-02 07:02:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2019-10-02 07:02:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 07:02:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-02 07:02:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 07:02:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 07:02:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 07:02:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 07:02:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 07:02:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-02 07:02:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-02 07:02:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-02 07:02:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-02 07:02:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-02 07:02:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-02 07:02:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-02 07:02:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-02 07:02:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-02 07:02:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-02 07:02:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-02 07:02:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-02 07:02:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2019-10-02 07:02:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-02 07:02:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2019-10-02 07:02:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2019-10-02 07:02:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-02 07:02:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-02 07:02:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-10-02 07:02:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 07:02:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 07:02:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 07:02:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 07:02:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 07:02:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 07:02:51,675 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 07:02:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2019-10-02 07:02:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-10-02 07:02:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_slave_sg [2019-10-02 07:02:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~$Pointer$ [2019-10-02 07:02:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_set [2019-10-02 07:02:51,676 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_zero [2019-10-02 07:02:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_channel [2019-10-02 07:02:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2019-10-02 07:02:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-02 07:02:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-02 07:02:51,677 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2019-10-02 07:02:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-02 07:02:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_sync_single_range_for_device [2019-10-02 07:02:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-02 07:02:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-02 07:02:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-02 07:02:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-02 07:02:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-02 07:02:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_range_for_device [2019-10-02 07:02:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2019-10-02 07:02:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2019-10-02 07:02:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~int [2019-10-02 07:02:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-02 07:02:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-02 07:02:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-02 07:02:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-02 07:02:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-02 07:02:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-10-02 07:02:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-10-02 07:02:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 07:02:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-02 07:02:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 07:02:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-02 07:02:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2019-10-02 07:02:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-02 07:02:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-02 07:02:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 07:02:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-02 07:02:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 07:02:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-02 07:02:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-02 07:02:51,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-02 07:02:51,683 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 07:02:51,683 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 07:02:51,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 07:02:51,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 07:02:51,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 07:02:51,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 07:02:51,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 07:02:51,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 07:02:51,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 07:02:51,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 07:02:51,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 07:02:51,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 07:02:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 07:02:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 07:02:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 07:02:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-02 07:02:51,690 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-02 07:02:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-02 07:02:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-10-02 07:02:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-02 07:02:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_2 [2019-10-02 07:02:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-02 07:02:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-02 07:02:51,691 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-02 07:02:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_15 [2019-10-02 07:02:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-02 07:02:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2019-10-02 07:02:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-02 07:02:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-02 07:02:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-02 07:02:51,692 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-02 07:02:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-10-02 07:02:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-10-02 07:02:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-10-02 07:02:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_21 [2019-10-02 07:02:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-10-02 07:02:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_22 [2019-10-02 07:02:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-10-02 07:02:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-10-02 07:02:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-02 07:02:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-10-02 07:02:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 07:02:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 07:02:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-02 07:02:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2019-10-02 07:02:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_20 [2019-10-02 07:02:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-02 07:02:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-02 07:02:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-02 07:02:51,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-02 07:02:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 07:02:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-02 07:02:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-02 07:02:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-02 07:02:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-02 07:02:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2019-10-02 07:02:51,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2019-10-02 07:02:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-02 07:02:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-02 07:02:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-02 07:02:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_17 [2019-10-02 07:02:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-02 07:02:51,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_19 [2019-10-02 07:02:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-10-02 07:02:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-10-02 07:02:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-10-02 07:02:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-10-02 07:02:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-10-02 07:02:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-10-02 07:02:51,698 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-10-02 07:02:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2019-10-02 07:02:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_dma_rx_cb [2019-10-02 07:02:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_dma_tx_cb [2019-10-02 07:02:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_resume_dma [2019-10-02 07:02:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_select_bank [2019-10-02 07:02:51,699 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_write8 [2019-10-02 07:02:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_write16 [2019-10-02 07:02:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_enable_bits [2019-10-02 07:02:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_clear_bits [2019-10-02 07:02:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_write32 [2019-10-02 07:02:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_read8 [2019-10-02 07:02:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_read16 [2019-10-02 07:02:51,700 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_read32 [2019-10-02 07:02:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_reset [2019-10-02 07:02:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_update_link_status [2019-10-02 07:02:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_enable_tx [2019-10-02 07:02:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_disable_tx [2019-10-02 07:02:51,701 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_enable_rx [2019-10-02 07:02:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_disable_rx [2019-10-02 07:02:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_reset_hw [2019-10-02 07:02:51,703 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_read_mac_addr [2019-10-02 07:02:51,704 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_write_mac_addr [2019-10-02 07:02:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_tx_fifo_space [2019-10-02 07:02:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_tx_frame_dma [2019-10-02 07:02:51,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~dma_cookie_t~0 [2019-10-02 07:02:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 07:02:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_tx_frame [2019-10-02 07:02:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_update_rx_err_counters [2019-10-02 07:02:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_update_rx_counters [2019-10-02 07:02:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure __ks8842_start_new_rx_dma [2019-10-02 07:02:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_rx_frame_dma_tasklet [2019-10-02 07:02:51,707 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_rx_frame [2019-10-02 07:02:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_handle_rx [2019-10-02 07:02:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_handle_tx [2019-10-02 07:02:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_handle_rx_overrun [2019-10-02 07:02:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_tasklet [2019-10-02 07:02:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_irq [2019-10-02 07:02:51,708 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_stop_dma [2019-10-02 07:02:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-02 07:02:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_dealloc_dma_bufs [2019-10-02 07:02:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_dma_filter_fn [2019-10-02 07:02:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_alloc_dma_bufs [2019-10-02 07:02:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_open [2019-10-02 07:02:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_close [2019-10-02 07:02:51,709 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_xmit_frame [2019-10-02 07:02:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_set_mac [2019-10-02 07:02:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_tx_timeout_work [2019-10-02 07:02:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_tx_timeout [2019-10-02 07:02:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_probe [2019-10-02 07:02:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-02 07:02:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_remove [2019-10-02 07:02:51,710 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_platform_driver_init [2019-10-02 07:02:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ks8842_platform_driver_exit [2019-10-02 07:02:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-10-02 07:02:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 07:02:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-10-02 07:02:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 07:02:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 07:02:51,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-02 07:02:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-02 07:02:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-02 07:02:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-02 07:02:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-02 07:02:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 07:02:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 07:02:51,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 07:02:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 07:02:51,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-02 07:02:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-02 07:02:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-02 07:02:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 07:02:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 07:02:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-02 07:02:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 07:02:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 07:02:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 07:02:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 07:02:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 07:02:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 07:02:51,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 07:02:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 07:02:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 07:02:51,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 07:02:52,797 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 07:03:00,532 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 07:03:00,533 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 07:03:00,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:03:00 BoogieIcfgContainer [2019-10-02 07:03:00,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 07:03:00,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 07:03:00,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 07:03:00,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 07:03:00,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 07:02:47" (1/3) ... [2019-10-02 07:03:00,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3510824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:03:00, skipping insertion in model container [2019-10-02 07:03:00,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:02:51" (2/3) ... [2019-10-02 07:03:00,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3510824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:03:00, skipping insertion in model container [2019-10-02 07:03:00,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:03:00" (3/3) ... [2019-10-02 07:03:00,543 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--micrel--ks8842.ko-entry_point.cil.out.i [2019-10-02 07:03:00,553 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 07:03:00,566 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 07:03:00,580 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 07:03:00,622 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 07:03:00,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 07:03:00,623 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 07:03:00,623 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 07:03:00,623 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 07:03:00,623 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 07:03:00,623 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 07:03:00,623 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 07:03:00,624 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 07:03:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states. [2019-10-02 07:03:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-02 07:03:00,686 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:00,687 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:03:00,690 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:00,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:00,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1950333962, now seen corresponding path program 1 times [2019-10-02 07:03:00,697 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:00,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:00,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:00,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:00,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 07:03:01,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:01,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:03:01,553 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:03:01,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:03:01,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:01,572 INFO L87 Difference]: Start difference. First operand 1630 states. Second operand 3 states. [2019-10-02 07:03:04,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:04,282 INFO L93 Difference]: Finished difference Result 3774 states and 4801 transitions. [2019-10-02 07:03:04,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:03:04,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-10-02 07:03:04,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:04,330 INFO L225 Difference]: With dead ends: 3774 [2019-10-02 07:03:04,330 INFO L226 Difference]: Without dead ends: 2474 [2019-10-02 07:03:04,348 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:04,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2019-10-02 07:03:04,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2474. [2019-10-02 07:03:04,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2474 states. [2019-10-02 07:03:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3090 transitions. [2019-10-02 07:03:04,652 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3090 transitions. Word has length 62 [2019-10-02 07:03:04,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:04,653 INFO L475 AbstractCegarLoop]: Abstraction has 2474 states and 3090 transitions. [2019-10-02 07:03:04,653 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:03:04,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3090 transitions. [2019-10-02 07:03:04,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-02 07:03:04,669 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:04,669 INFO L411 BasicCegarLoop]: trace histogram [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] [2019-10-02 07:03:04,671 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:04,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:04,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1183878646, now seen corresponding path program 1 times [2019-10-02 07:03:04,671 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:04,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:04,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:04,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:04,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-02 07:03:05,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:05,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:03:05,241 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:03:05,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:03:05,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:03:05,242 INFO L87 Difference]: Start difference. First operand 2474 states and 3090 transitions. Second operand 6 states. [2019-10-02 07:03:09,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:09,664 INFO L93 Difference]: Finished difference Result 7387 states and 9278 transitions. [2019-10-02 07:03:09,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:03:09,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-10-02 07:03:09,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:09,703 INFO L225 Difference]: With dead ends: 7387 [2019-10-02 07:03:09,704 INFO L226 Difference]: Without dead ends: 4912 [2019-10-02 07:03:09,714 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 07:03:09,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4912 states. [2019-10-02 07:03:09,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4912 to 4912. [2019-10-02 07:03:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4912 states. [2019-10-02 07:03:09,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4912 states to 4912 states and 6176 transitions. [2019-10-02 07:03:09,927 INFO L78 Accepts]: Start accepts. Automaton has 4912 states and 6176 transitions. Word has length 77 [2019-10-02 07:03:09,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:09,928 INFO L475 AbstractCegarLoop]: Abstraction has 4912 states and 6176 transitions. [2019-10-02 07:03:09,928 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:03:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 4912 states and 6176 transitions. [2019-10-02 07:03:09,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-02 07:03:09,945 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:09,946 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-02 07:03:09,946 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:09,947 INFO L82 PathProgramCache]: Analyzing trace with hash -46162885, now seen corresponding path program 1 times [2019-10-02 07:03:09,947 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:09,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:09,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:09,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:09,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-02 07:03:10,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:10,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:03:10,229 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:03:10,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:03:10,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:10,230 INFO L87 Difference]: Start difference. First operand 4912 states and 6176 transitions. Second operand 3 states. [2019-10-02 07:03:10,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:10,777 INFO L93 Difference]: Finished difference Result 11463 states and 14353 transitions. [2019-10-02 07:03:10,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:03:10,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-10-02 07:03:10,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:10,821 INFO L225 Difference]: With dead ends: 11463 [2019-10-02 07:03:10,821 INFO L226 Difference]: Without dead ends: 6571 [2019-10-02 07:03:10,842 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:10,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6571 states. [2019-10-02 07:03:11,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6451. [2019-10-02 07:03:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6451 states. [2019-10-02 07:03:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6451 states to 6451 states and 8065 transitions. [2019-10-02 07:03:11,311 INFO L78 Accepts]: Start accepts. Automaton has 6451 states and 8065 transitions. Word has length 187 [2019-10-02 07:03:11,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:11,313 INFO L475 AbstractCegarLoop]: Abstraction has 6451 states and 8065 transitions. [2019-10-02 07:03:11,313 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:03:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 6451 states and 8065 transitions. [2019-10-02 07:03:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-02 07:03:11,347 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:11,348 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 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] [2019-10-02 07:03:11,348 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:11,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:11,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1929472422, now seen corresponding path program 1 times [2019-10-02 07:03:11,349 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:11,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:11,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:11,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:11,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-10-02 07:03:11,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:11,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:03:11,868 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:03:11,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:03:11,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:11,868 INFO L87 Difference]: Start difference. First operand 6451 states and 8065 transitions. Second operand 3 states. [2019-10-02 07:03:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:12,493 INFO L93 Difference]: Finished difference Result 17228 states and 21624 transitions. [2019-10-02 07:03:12,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:03:12,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2019-10-02 07:03:12,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:12,571 INFO L225 Difference]: With dead ends: 17228 [2019-10-02 07:03:12,571 INFO L226 Difference]: Without dead ends: 10806 [2019-10-02 07:03:12,603 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:12,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10806 states. [2019-10-02 07:03:13,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10806 to 10747. [2019-10-02 07:03:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10747 states. [2019-10-02 07:03:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10747 states to 10747 states and 13515 transitions. [2019-10-02 07:03:13,950 INFO L78 Accepts]: Start accepts. Automaton has 10747 states and 13515 transitions. Word has length 371 [2019-10-02 07:03:13,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:13,951 INFO L475 AbstractCegarLoop]: Abstraction has 10747 states and 13515 transitions. [2019-10-02 07:03:13,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:03:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 10747 states and 13515 transitions. [2019-10-02 07:03:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-10-02 07:03:13,991 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:13,991 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2019-10-02 07:03:13,992 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:13,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:13,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1151717122, now seen corresponding path program 1 times [2019-10-02 07:03:13,992 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:13,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:14,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:14,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:14,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-02 07:03:14,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:14,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 07:03:14,487 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 07:03:14,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 07:03:14,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 07:03:14,488 INFO L87 Difference]: Start difference. First operand 10747 states and 13515 transitions. Second operand 4 states. [2019-10-02 07:03:15,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:15,041 INFO L93 Difference]: Finished difference Result 21701 states and 27394 transitions. [2019-10-02 07:03:15,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 07:03:15,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 392 [2019-10-02 07:03:15,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:15,112 INFO L225 Difference]: With dead ends: 21701 [2019-10-02 07:03:15,112 INFO L226 Difference]: Without dead ends: 10983 [2019-10-02 07:03:15,153 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-02 07:03:15,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10983 states. [2019-10-02 07:03:15,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10983 to 10819. [2019-10-02 07:03:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10819 states. [2019-10-02 07:03:15,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10819 states to 10819 states and 13627 transitions. [2019-10-02 07:03:15,693 INFO L78 Accepts]: Start accepts. Automaton has 10819 states and 13627 transitions. Word has length 392 [2019-10-02 07:03:15,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:15,697 INFO L475 AbstractCegarLoop]: Abstraction has 10819 states and 13627 transitions. [2019-10-02 07:03:15,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 07:03:15,697 INFO L276 IsEmpty]: Start isEmpty. Operand 10819 states and 13627 transitions. [2019-10-02 07:03:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-10-02 07:03:15,739 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:15,739 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2019-10-02 07:03:15,740 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:15,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:15,740 INFO L82 PathProgramCache]: Analyzing trace with hash -198692988, now seen corresponding path program 1 times [2019-10-02 07:03:15,740 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:15,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:15,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:15,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:15,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-02 07:03:16,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:16,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 07:03:16,202 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 07:03:16,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 07:03:16,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 07:03:16,207 INFO L87 Difference]: Start difference. First operand 10819 states and 13627 transitions. Second operand 4 states. [2019-10-02 07:03:16,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:16,549 INFO L93 Difference]: Finished difference Result 21617 states and 27254 transitions. [2019-10-02 07:03:16,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 07:03:16,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 392 [2019-10-02 07:03:16,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:16,639 INFO L225 Difference]: With dead ends: 21617 [2019-10-02 07:03:16,640 INFO L226 Difference]: Without dead ends: 10827 [2019-10-02 07:03:16,702 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:03:16,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10827 states. [2019-10-02 07:03:17,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10827 to 10827. [2019-10-02 07:03:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10827 states. [2019-10-02 07:03:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10827 states to 10827 states and 13619 transitions. [2019-10-02 07:03:17,320 INFO L78 Accepts]: Start accepts. Automaton has 10827 states and 13619 transitions. Word has length 392 [2019-10-02 07:03:17,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:17,321 INFO L475 AbstractCegarLoop]: Abstraction has 10827 states and 13619 transitions. [2019-10-02 07:03:17,321 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 07:03:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand 10827 states and 13619 transitions. [2019-10-02 07:03:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-10-02 07:03:17,359 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:17,360 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2019-10-02 07:03:17,360 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:17,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:17,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1198520508, now seen corresponding path program 1 times [2019-10-02 07:03:17,361 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:17,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:17,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:17,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:17,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-10-02 07:03:18,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:18,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:03:18,006 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:03:18,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:03:18,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:18,008 INFO L87 Difference]: Start difference. First operand 10827 states and 13619 transitions. Second operand 3 states. [2019-10-02 07:03:20,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:20,867 INFO L93 Difference]: Finished difference Result 24851 states and 31286 transitions. [2019-10-02 07:03:20,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:03:20,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 392 [2019-10-02 07:03:20,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:20,931 INFO L225 Difference]: With dead ends: 24851 [2019-10-02 07:03:20,932 INFO L226 Difference]: Without dead ends: 14053 [2019-10-02 07:03:20,961 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:20,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14053 states. [2019-10-02 07:03:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14053 to 13885. [2019-10-02 07:03:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13885 states. [2019-10-02 07:03:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13885 states to 13885 states and 17396 transitions. [2019-10-02 07:03:21,605 INFO L78 Accepts]: Start accepts. Automaton has 13885 states and 17396 transitions. Word has length 392 [2019-10-02 07:03:21,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:21,606 INFO L475 AbstractCegarLoop]: Abstraction has 13885 states and 17396 transitions. [2019-10-02 07:03:21,606 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:03:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 13885 states and 17396 transitions. [2019-10-02 07:03:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2019-10-02 07:03:21,653 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:21,653 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2019-10-02 07:03:21,654 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:21,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:21,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1954974608, now seen corresponding path program 1 times [2019-10-02 07:03:21,654 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:21,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:21,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:21,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:21,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-10-02 07:03:22,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:22,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:03:22,252 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:03:22,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:03:22,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:22,252 INFO L87 Difference]: Start difference. First operand 13885 states and 17396 transitions. Second operand 3 states. [2019-10-02 07:03:23,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:23,091 INFO L93 Difference]: Finished difference Result 32021 states and 40046 transitions. [2019-10-02 07:03:23,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:03:23,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 409 [2019-10-02 07:03:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:23,179 INFO L225 Difference]: With dead ends: 32021 [2019-10-02 07:03:23,179 INFO L226 Difference]: Without dead ends: 18165 [2019-10-02 07:03:23,216 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:23,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18165 states. [2019-10-02 07:03:23,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18165 to 17997. [2019-10-02 07:03:23,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17997 states. [2019-10-02 07:03:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17997 states to 17997 states and 22459 transitions. [2019-10-02 07:03:24,008 INFO L78 Accepts]: Start accepts. Automaton has 17997 states and 22459 transitions. Word has length 409 [2019-10-02 07:03:24,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:24,009 INFO L475 AbstractCegarLoop]: Abstraction has 17997 states and 22459 transitions. [2019-10-02 07:03:24,009 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:03:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 17997 states and 22459 transitions. [2019-10-02 07:03:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2019-10-02 07:03:24,082 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:24,083 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-10-02 07:03:24,083 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:24,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:24,084 INFO L82 PathProgramCache]: Analyzing trace with hash 539918929, now seen corresponding path program 1 times [2019-10-02 07:03:24,084 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:24,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:24,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:24,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:24,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2767 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2019-10-02 07:03:26,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:26,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:03:26,005 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:03:26,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:03:26,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:03:26,005 INFO L87 Difference]: Start difference. First operand 17997 states and 22459 transitions. Second operand 5 states. [2019-10-02 07:03:29,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:29,098 INFO L93 Difference]: Finished difference Result 48477 states and 60382 transitions. [2019-10-02 07:03:29,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:03:29,098 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 856 [2019-10-02 07:03:29,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:29,275 INFO L225 Difference]: With dead ends: 48477 [2019-10-02 07:03:29,276 INFO L226 Difference]: Without dead ends: 30509 [2019-10-02 07:03:29,331 INFO L640 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 [2019-10-02 07:03:29,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30509 states. [2019-10-02 07:03:30,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30509 to 30469. [2019-10-02 07:03:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30469 states. [2019-10-02 07:03:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30469 states to 30469 states and 37908 transitions. [2019-10-02 07:03:30,673 INFO L78 Accepts]: Start accepts. Automaton has 30469 states and 37908 transitions. Word has length 856 [2019-10-02 07:03:30,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:30,676 INFO L475 AbstractCegarLoop]: Abstraction has 30469 states and 37908 transitions. [2019-10-02 07:03:30,676 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:03:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 30469 states and 37908 transitions. [2019-10-02 07:03:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2019-10-02 07:03:30,763 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:30,764 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-10-02 07:03:30,765 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:30,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:30,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1488408658, now seen corresponding path program 1 times [2019-10-02 07:03:30,766 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:30,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:30,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:30,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:30,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2767 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2751 trivial. 0 not checked. [2019-10-02 07:03:31,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:31,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:03:31,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:03:31,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:03:31,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:31,921 INFO L87 Difference]: Start difference. First operand 30469 states and 37908 transitions. Second operand 3 states. [2019-10-02 07:03:32,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:32,453 INFO L93 Difference]: Finished difference Result 45817 states and 57198 transitions. [2019-10-02 07:03:32,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:03:32,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 856 [2019-10-02 07:03:32,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:32,566 INFO L225 Difference]: With dead ends: 45817 [2019-10-02 07:03:32,566 INFO L226 Difference]: Without dead ends: 30517 [2019-10-02 07:03:32,609 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:03:32,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30517 states. [2019-10-02 07:03:33,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30517 to 30493. [2019-10-02 07:03:33,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30493 states. [2019-10-02 07:03:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30493 states to 30493 states and 37932 transitions. [2019-10-02 07:03:33,454 INFO L78 Accepts]: Start accepts. Automaton has 30493 states and 37932 transitions. Word has length 856 [2019-10-02 07:03:33,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:33,455 INFO L475 AbstractCegarLoop]: Abstraction has 30493 states and 37932 transitions. [2019-10-02 07:03:33,455 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:03:33,455 INFO L276 IsEmpty]: Start isEmpty. Operand 30493 states and 37932 transitions. [2019-10-02 07:03:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 859 [2019-10-02 07:03:33,521 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:33,522 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-10-02 07:03:33,523 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:33,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:33,524 INFO L82 PathProgramCache]: Analyzing trace with hash -586507629, now seen corresponding path program 1 times [2019-10-02 07:03:33,524 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:33,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:33,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:33,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:33,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2767 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2751 trivial. 0 not checked. [2019-10-02 07:03:36,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:36,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:03:36,035 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:03:36,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:03:36,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:03:36,041 INFO L87 Difference]: Start difference. First operand 30493 states and 37932 transitions. Second operand 5 states. [2019-10-02 07:03:46,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:03:46,576 INFO L93 Difference]: Finished difference Result 94994 states and 119687 transitions. [2019-10-02 07:03:46,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:03:46,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 858 [2019-10-02 07:03:46,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:03:46,863 INFO L225 Difference]: With dead ends: 94994 [2019-10-02 07:03:46,864 INFO L226 Difference]: Without dead ends: 64530 [2019-10-02 07:03:46,968 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:03:47,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64530 states. [2019-10-02 07:03:48,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64530 to 60261. [2019-10-02 07:03:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60261 states. [2019-10-02 07:03:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60261 states to 60261 states and 75117 transitions. [2019-10-02 07:03:49,006 INFO L78 Accepts]: Start accepts. Automaton has 60261 states and 75117 transitions. Word has length 858 [2019-10-02 07:03:49,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:03:49,008 INFO L475 AbstractCegarLoop]: Abstraction has 60261 states and 75117 transitions. [2019-10-02 07:03:49,008 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:03:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 60261 states and 75117 transitions. [2019-10-02 07:03:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2019-10-02 07:03:49,114 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:03:49,115 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-10-02 07:03:49,115 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:03:49,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:03:49,116 INFO L82 PathProgramCache]: Analyzing trace with hash 312836773, now seen corresponding path program 1 times [2019-10-02 07:03:49,116 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:03:49,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:03:49,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:49,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:03:49,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:03:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:03:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2767 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2751 trivial. 0 not checked. [2019-10-02 07:03:51,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:03:51,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:03:51,595 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:03:51,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:03:51,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:03:51,596 INFO L87 Difference]: Start difference. First operand 60261 states and 75117 transitions. Second operand 5 states. [2019-10-02 07:04:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:02,880 INFO L93 Difference]: Finished difference Result 187420 states and 236485 transitions. [2019-10-02 07:04:02,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:04:02,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 859 [2019-10-02 07:04:02,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:03,351 INFO L225 Difference]: With dead ends: 187420 [2019-10-02 07:04:03,351 INFO L226 Difference]: Without dead ends: 127188 [2019-10-02 07:04:03,567 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:04:03,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127188 states. [2019-10-02 07:04:10,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127188 to 120725. [2019-10-02 07:04:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120725 states. [2019-10-02 07:04:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120725 states to 120725 states and 150507 transitions. [2019-10-02 07:04:10,384 INFO L78 Accepts]: Start accepts. Automaton has 120725 states and 150507 transitions. Word has length 859 [2019-10-02 07:04:10,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:10,386 INFO L475 AbstractCegarLoop]: Abstraction has 120725 states and 150507 transitions. [2019-10-02 07:04:10,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:04:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 120725 states and 150507 transitions. [2019-10-02 07:04:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2019-10-02 07:04:10,500 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:10,501 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-10-02 07:04:10,501 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:10,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:10,502 INFO L82 PathProgramCache]: Analyzing trace with hash 753073995, now seen corresponding path program 1 times [2019-10-02 07:04:10,502 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:10,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:10,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:10,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:10,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2767 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2019-10-02 07:04:11,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:11,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:04:11,317 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:04:11,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:04:11,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:04:11,317 INFO L87 Difference]: Start difference. First operand 120725 states and 150507 transitions. Second operand 5 states. [2019-10-02 07:04:13,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:13,975 INFO L93 Difference]: Finished difference Result 241869 states and 301942 transitions. [2019-10-02 07:04:13,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 07:04:13,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 863 [2019-10-02 07:04:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:14,358 INFO L225 Difference]: With dead ends: 241869 [2019-10-02 07:04:14,358 INFO L226 Difference]: Without dead ends: 121173 [2019-10-02 07:04:14,528 INFO L640 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 [2019-10-02 07:04:14,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121173 states. [2019-10-02 07:04:20,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121173 to 120981. [2019-10-02 07:04:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120981 states. [2019-10-02 07:04:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120981 states to 120981 states and 150763 transitions. [2019-10-02 07:04:21,008 INFO L78 Accepts]: Start accepts. Automaton has 120981 states and 150763 transitions. Word has length 863 [2019-10-02 07:04:21,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:21,010 INFO L475 AbstractCegarLoop]: Abstraction has 120981 states and 150763 transitions. [2019-10-02 07:04:21,010 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:04:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 120981 states and 150763 transitions. [2019-10-02 07:04:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2019-10-02 07:04:21,193 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:21,195 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-10-02 07:04:21,195 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:21,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:21,196 INFO L82 PathProgramCache]: Analyzing trace with hash -750858281, now seen corresponding path program 1 times [2019-10-02 07:04:21,196 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:21,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:21,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:21,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:21,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2767 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2751 trivial. 0 not checked. [2019-10-02 07:04:22,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:22,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:04:22,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:04:22,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:04:22,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:04:22,694 INFO L87 Difference]: Start difference. First operand 120981 states and 150763 transitions. Second operand 5 states. [2019-10-02 07:04:39,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:04:39,140 INFO L93 Difference]: Finished difference Result 376032 states and 474225 transitions. [2019-10-02 07:04:39,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:04:39,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 860 [2019-10-02 07:04:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:04:44,923 INFO L225 Difference]: With dead ends: 376032 [2019-10-02 07:04:44,923 INFO L226 Difference]: Without dead ends: 255080 [2019-10-02 07:04:45,105 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:04:45,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255080 states. [2019-10-02 07:04:51,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255080 to 242325. [2019-10-02 07:04:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242325 states. [2019-10-02 07:04:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242325 states to 242325 states and 301983 transitions. [2019-10-02 07:04:52,460 INFO L78 Accepts]: Start accepts. Automaton has 242325 states and 301983 transitions. Word has length 860 [2019-10-02 07:04:52,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:04:52,461 INFO L475 AbstractCegarLoop]: Abstraction has 242325 states and 301983 transitions. [2019-10-02 07:04:52,462 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:04:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 242325 states and 301983 transitions. [2019-10-02 07:04:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 854 [2019-10-02 07:04:52,617 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:04:52,617 INFO L411 BasicCegarLoop]: trace histogram [30, 30, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 07:04:52,618 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:04:52,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:04:52,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1790829710, now seen corresponding path program 1 times [2019-10-02 07:04:52,618 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:04:52,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:04:52,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:52,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:04:52,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:04:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:04:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2427 trivial. 0 not checked. [2019-10-02 07:04:53,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:04:53,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:04:53,278 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:04:53,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:04:53,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:04:53,279 INFO L87 Difference]: Start difference. First operand 242325 states and 301983 transitions. Second operand 3 states. [2019-10-02 07:05:02,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:05:02,608 INFO L93 Difference]: Finished difference Result 485885 states and 607118 transitions. [2019-10-02 07:05:02,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:05:02,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 853 [2019-10-02 07:05:02,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:05:03,489 INFO L225 Difference]: With dead ends: 485885 [2019-10-02 07:05:03,489 INFO L226 Difference]: Without dead ends: 243589 [2019-10-02 07:05:03,840 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:05:04,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243589 states. [2019-10-02 07:05:16,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243589 to 242453. [2019-10-02 07:05:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242453 states. [2019-10-02 07:05:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242453 states to 242453 states and 302111 transitions. [2019-10-02 07:05:16,706 INFO L78 Accepts]: Start accepts. Automaton has 242453 states and 302111 transitions. Word has length 853 [2019-10-02 07:05:16,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:05:16,706 INFO L475 AbstractCegarLoop]: Abstraction has 242453 states and 302111 transitions. [2019-10-02 07:05:16,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:05:16,706 INFO L276 IsEmpty]: Start isEmpty. Operand 242453 states and 302111 transitions. [2019-10-02 07:05:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 864 [2019-10-02 07:05:16,817 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:05:16,818 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-10-02 07:05:16,818 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:05:16,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:05:16,819 INFO L82 PathProgramCache]: Analyzing trace with hash 51139402, now seen corresponding path program 1 times [2019-10-02 07:05:16,819 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:05:16,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:05:16,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:05:16,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:05:16,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:05:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:05:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2767 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 2732 trivial. 0 not checked. [2019-10-02 07:05:18,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:05:18,104 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:05:19,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:05:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:05:20,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 7080 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 07:05:20,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:05:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2767 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 2501 trivial. 0 not checked. [2019-10-02 07:05:26,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:05:26,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-10-02 07:05:26,415 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:05:26,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:05:26,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:05:26,416 INFO L87 Difference]: Start difference. First operand 242453 states and 302111 transitions. Second operand 6 states. [2019-10-02 07:05:53,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:05:53,384 INFO L93 Difference]: Finished difference Result 818509 states and 1018514 transitions. [2019-10-02 07:05:53,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:05:53,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 863 [2019-10-02 07:05:53,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:06:04,303 INFO L225 Difference]: With dead ends: 818509 [2019-10-02 07:06:04,304 INFO L226 Difference]: Without dead ends: 818485 [2019-10-02 07:06:04,489 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 863 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:06:05,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818485 states. [2019-10-02 07:06:44,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818485 to 813013. [2019-10-02 07:06:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813013 states. [2019-10-02 07:06:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813013 states to 813013 states and 1011567 transitions. [2019-10-02 07:06:58,606 INFO L78 Accepts]: Start accepts. Automaton has 813013 states and 1011567 transitions. Word has length 863 [2019-10-02 07:06:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:06:58,607 INFO L475 AbstractCegarLoop]: Abstraction has 813013 states and 1011567 transitions. [2019-10-02 07:06:58,607 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:06:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 813013 states and 1011567 transitions. [2019-10-02 07:06:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2019-10-02 07:06:59,044 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:06:59,045 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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] [2019-10-02 07:06:59,045 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:06:59,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:06:59,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1814145977, now seen corresponding path program 1 times [2019-10-02 07:06:59,046 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:06:59,046 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:06:59,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:06:59,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:06:59,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:06:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:07:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2791 trivial. 0 not checked. [2019-10-02 07:07:09,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:07:09,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:07:09,038 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:07:09,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:07:09,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:07:09,039 INFO L87 Difference]: Start difference. First operand 813013 states and 1011567 transitions. Second operand 3 states. [2019-10-02 07:07:25,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:07:25,501 INFO L93 Difference]: Finished difference Result 1227509 states and 1526772 transitions. [2019-10-02 07:07:25,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:07:25,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 876 [2019-10-02 07:07:25,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:07:38,572 INFO L225 Difference]: With dead ends: 1227509 [2019-10-02 07:07:38,572 INFO L226 Difference]: Without dead ends: 414525 [2019-10-02 07:07:39,440 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:07:39,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414525 states. [2019-10-02 07:08:00,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414525 to 414514. [2019-10-02 07:08:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414514 states. [2019-10-02 07:08:01,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414514 states to 414514 states and 514827 transitions. [2019-10-02 07:08:01,772 INFO L78 Accepts]: Start accepts. Automaton has 414514 states and 514827 transitions. Word has length 876 [2019-10-02 07:08:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:08:01,772 INFO L475 AbstractCegarLoop]: Abstraction has 414514 states and 514827 transitions. [2019-10-02 07:08:01,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:08:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 414514 states and 514827 transitions. [2019-10-02 07:08:01,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2019-10-02 07:08:01,952 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:08:01,953 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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] [2019-10-02 07:08:01,953 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:08:01,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:08:01,954 INFO L82 PathProgramCache]: Analyzing trace with hash -332524105, now seen corresponding path program 1 times [2019-10-02 07:08:01,954 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:08:01,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:08:01,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:08:01,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:08:01,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:08:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:08:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2791 trivial. 0 not checked. [2019-10-02 07:08:03,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:08:03,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:08:03,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:08:03,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:08:03,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:08:03,856 INFO L87 Difference]: Start difference. First operand 414514 states and 514827 transitions. Second operand 5 states. [2019-10-02 07:08:49,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:08:49,908 INFO L93 Difference]: Finished difference Result 1289365 states and 1620861 transitions. [2019-10-02 07:08:49,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:08:49,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 876 [2019-10-02 07:08:49,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:08:53,958 INFO L225 Difference]: With dead ends: 1289365 [2019-10-02 07:08:53,958 INFO L226 Difference]: Without dead ends: 875053 [2019-10-02 07:09:06,172 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:09:06,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875053 states. [2019-10-02 07:09:50,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875053 to 829882. [2019-10-02 07:09:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829882 states. [2019-10-02 07:09:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829882 states to 829882 states and 1030651 transitions. [2019-10-02 07:09:55,086 INFO L78 Accepts]: Start accepts. Automaton has 829882 states and 1030651 transitions. Word has length 876 [2019-10-02 07:09:55,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:09:55,087 INFO L475 AbstractCegarLoop]: Abstraction has 829882 states and 1030651 transitions. [2019-10-02 07:09:55,087 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:09:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 829882 states and 1030651 transitions. [2019-10-02 07:09:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2019-10-02 07:09:55,305 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:09:55,306 INFO L411 BasicCegarLoop]: trace histogram [32, 32, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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] [2019-10-02 07:09:55,306 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:09:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:09:55,307 INFO L82 PathProgramCache]: Analyzing trace with hash -796897226, now seen corresponding path program 1 times [2019-10-02 07:09:55,307 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:09:55,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:09:55,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:55,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:09:55,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:09:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 2791 trivial. 0 not checked. [2019-10-02 07:10:07,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:10:07,995 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:10:08,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:10:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:10:09,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 7201 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 07:10:09,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:10:10,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 2735 trivial. 0 not checked. [2019-10-02 07:10:10,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:10:10,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-10-02 07:10:10,511 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:10:10,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:10:10,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:10:10,512 INFO L87 Difference]: Start difference. First operand 829882 states and 1030651 transitions. Second operand 5 states. [2019-10-02 07:10:54,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:10:54,604 INFO L93 Difference]: Finished difference Result 1634830 states and 2035120 transitions. [2019-10-02 07:10:54,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 07:10:54,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 878 [2019-10-02 07:10:54,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:10:57,266 INFO L225 Difference]: With dead ends: 1634830 [2019-10-02 07:10:57,266 INFO L226 Difference]: Without dead ends: 683690 [2019-10-02 07:10:59,262 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 881 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:10:59,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683690 states. [2019-10-02 07:11:42,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683690 to 609945. [2019-10-02 07:11:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609945 states.