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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 16:15:39,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 16:15:39,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 16:15:39,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 16:15:39,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 16:15:39,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 16:15:39,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 16:15:39,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 16:15:39,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 16:15:39,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 16:15:39,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 16:15:39,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 16:15:39,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 16:15:39,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 16:15:39,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 16:15:39,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 16:15:39,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 16:15:39,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 16:15:39,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 16:15:39,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 16:15:39,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 16:15:39,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 16:15:39,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 16:15:39,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 16:15:39,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 16:15:39,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 16:15:39,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 16:15:39,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 16:15:39,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 16:15:39,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 16:15:39,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 16:15:39,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 16:15:39,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 16:15:39,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 16:15:39,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 16:15:39,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 16:15:39,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 16:15:39,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 16:15:39,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 16:15:39,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 16:15:39,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 16:15:39,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 16:15:39,489 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 16:15:39,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 16:15:39,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 16:15:39,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 16:15:39,494 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 16:15:39,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 16:15:39,495 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 16:15:39,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 16:15:39,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 16:15:39,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 16:15:39,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 16:15:39,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 16:15:39,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 16:15:39,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 16:15:39,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 16:15:39,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 16:15:39,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 16:15:39,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 16:15:39,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 16:15:39,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 16:15:39,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 16:15:39,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:15:39,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 16:15:39,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 16:15:39,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 16:15:39,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 16:15:39,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 16:15:39,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 16:15:39,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 16:15:39,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 16:15:39,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 16:15:39,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 16:15:39,563 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 16:15:39,563 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 16:15:39,564 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2019-09-08 16:15:39,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02777afa2/463bd684fc7649bda6886875abfccd82/FLAGebe2066e9 [2019-09-08 16:15:40,560 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 16:15:40,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2019-09-08 16:15:40,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02777afa2/463bd684fc7649bda6886875abfccd82/FLAGebe2066e9 [2019-09-08 16:15:41,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02777afa2/463bd684fc7649bda6886875abfccd82 [2019-09-08 16:15:41,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 16:15:41,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 16:15:41,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 16:15:41,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 16:15:41,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 16:15:41,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:15:41" (1/1) ... [2019-09-08 16:15:41,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666deafa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:41, skipping insertion in model container [2019-09-08 16:15:41,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:15:41" (1/1) ... [2019-09-08 16:15:41,050 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 16:15:41,253 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 16:15:45,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:15:45,182 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 16:15:45,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:15:46,641 INFO L192 MainTranslator]: Completed translation [2019-09-08 16:15:46,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46 WrapperNode [2019-09-08 16:15:46,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 16:15:46,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 16:15:46,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 16:15:46,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 16:15:46,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (1/1) ... [2019-09-08 16:15:46,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (1/1) ... [2019-09-08 16:15:46,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (1/1) ... [2019-09-08 16:15:46,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (1/1) ... [2019-09-08 16:15:46,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (1/1) ... [2019-09-08 16:15:46,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (1/1) ... [2019-09-08 16:15:46,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (1/1) ... [2019-09-08 16:15:47,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 16:15:47,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 16:15:47,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 16:15:47,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 16:15:47,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:15:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 16:15:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 16:15:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 16:15:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 16:15:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 16:15:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 16:15:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 16:15:47,105 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 16:15:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 16:15:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-08 16:15:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-08 16:15:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 16:15:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 16:15:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-08 16:15:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-08 16:15:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2019-09-08 16:15:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2019-09-08 16:15:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-08 16:15:47,111 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-08 16:15:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-08 16:15:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 16:15:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 16:15:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-09-08 16:15:47,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 16:15:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-09-08 16:15:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 16:15:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-09-08 16:15:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-09-08 16:15:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 16:15:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 16:15:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_node [2019-09-08 16:15:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2019-09-08 16:15:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 16:15:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 16:15:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-08 16:15:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2019-09-08 16:15:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2019-09-08 16:15:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-09-08 16:15:47,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-08 16:15:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-08 16:15:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2019-09-08 16:15:47,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_splice [2019-09-08 16:15:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice [2019-09-08 16:15:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_splice_init [2019-09-08 16:15:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_after [2019-09-08 16:15:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2019-09-08 16:15:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head [2019-09-08 16:15:47,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2019-09-08 16:15:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-08 16:15:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2019-09-08 16:15:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2019-09-08 16:15:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2019-09-08 16:15:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2019-09-08 16:15:47,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-09-08 16:15:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-09-08 16:15:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2019-09-08 16:15:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2019-09-08 16:15:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_tx_timestamp [2019-09-08 16:15:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2019-09-08 16:15:47,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 16:15:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 16:15:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 16:15:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 16:15:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 16:15:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 16:15:47,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 16:15:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 16:15:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 16:15:47,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_unlock_wait [2019-09-08 16:15:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-08 16:15:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable_nosync [2019-09-08 16:15:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2019-09-08 16:15:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2019-09-08 16:15:47,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 16:15:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 16:15:47,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2019-09-08 16:15:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-08 16:15:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-08 16:15:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 16:15:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 16:15:47,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 16:15:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 16:15:47,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-09-08 16:15:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-09-08 16:15:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-09-08 16:15:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-08 16:15:47,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-09-08 16:15:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2019-09-08 16:15:47,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2019-09-08 16:15:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock [2019-09-08 16:15:47,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock [2019-09-08 16:15:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_gso_segment [2019-09-08 16:15:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_gso_max_size [2019-09-08 16:15:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-09-08 16:15:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-09-08 16:15:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-09-08 16:15:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2019-09-08 16:15:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-09-08 16:15:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-08 16:15:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-08 16:15:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-08 16:15:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-09-08 16:15:47,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-08 16:15:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-08 16:15:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-08 16:15:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 16:15:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_eth_hdr [2019-09-08 16:15:47,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2019-09-08 16:15:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2019-09-08 16:15:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2019-09-08 16:15:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_v6_check [2019-09-08 16:15:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2019-09-08 16:15:47,132 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2019-09-08 16:15:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_read [2019-09-08 16:15:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_ocp_write [2019-09-08 16:15:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_read [2019-09-08 16:15:47,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pla_ocp_write [2019-09-08 16:15:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ocp_write [2019-09-08 16:15:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_dword [2019-09-08 16:15:47,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_dword [2019-09-08 16:15:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_word [2019-09-08 16:15:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_word [2019-09-08 16:15:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read_byte [2019-09-08 16:15:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write_byte [2019-09-08 16:15:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_read [2019-09-08 16:15:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_reg_write [2019-09-08 16:15:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_write [2019-09-08 16:15:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_mdio_read [2019-09-08 16:15:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2019-09-08 16:15:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_read [2019-09-08 16:15:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mii_word [2019-09-08 16:15:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mii_word [2019-09-08 16:15:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure set_ethernet_addr [2019-09-08 16:15:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_mac_address [2019-09-08 16:15:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure read_bulk_callback [2019-09-08 16:15:47,138 INFO L138 BoogieDeclarations]: Found implementation of procedure write_bulk_callback [2019-09-08 16:15:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_callback [2019-09-08 16:15:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_agg_align [2019-09-08 16:15:47,139 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_agg_align [2019-09-08 16:15:47,140 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_mem [2019-09-08 16:15:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_all_mem [2019-09-08 16:15:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_get_tx_agg [2019-09-08 16:15:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure get_protocol [2019-09-08 16:15:47,144 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_csum_workaround [2019-09-08 16:15:47,150 INFO L138 BoogieDeclarations]: Found implementation of procedure msdn_giant_send_check [2019-09-08 16:15:47,151 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_tx_csum [2019-09-08 16:15:47,151 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_tx_agg_fill [2019-09-08 16:15:47,151 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_rx_csum [2019-09-08 16:15:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_bottom [2019-09-08 16:15:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_bottom [2019-09-08 16:15:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bottom_half [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_submit_rx [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_drop_queued_tx [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_tx_timeout [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_rx_mode [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8152_set_rx_mode [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_start_xmit [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_reset_packet_filter [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_nic_reset [2019-09-08 16:15:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_qlen [2019-09-08 16:15:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_speed [2019-09-08 16:15:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_eee_plus [2019-09-08 16:15:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rxdy_gated_en [2019-09-08 16:15:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_enable [2019-09-08 16:15:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_enable [2019-09-08 16:15:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_set_rx_agg [2019-09-08 16:15:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8153_enable [2019-09-08 16:15:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disable [2019-09-08 16:15:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152_power_cut_en [2019-09-08 16:15:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_get_wol [2019-09-08 16:15:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl_set_wol [2019-09-08 16:15:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_runtime_suspend_enable [2019-09-08 16:15:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_reset [2019-09-08 16:15:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_clear_bp [2019-09-08 16:15:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_clear_bp [2019-09-08 16:15:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_teredo_off [2019-09-08 16:15:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_disable_aldps [2019-09-08 16:15:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_aldps [2019-09-08 16:15:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_hw_phy_cfg [2019-09-08 16:15:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_exit_oob [2019-09-08 16:15:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enter_oob [2019-09-08 16:15:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_hw_phy_cfg [2019-09-08 16:15:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u1u2en [2019-09-08 16:15:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_u2p3en [2019-09-08 16:15:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_power_cut_en [2019-09-08 16:15:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_first_init [2019-09-08 16:15:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enter_oob [2019-09-08 16:15:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_disable_aldps [2019-09-08 16:15:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_aldps [2019-09-08 16:15:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_speed [2019-09-08 16:15:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_down [2019-09-08 16:15:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8153_down [2019-09-08 16:15:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2019-09-08 16:15:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_work_func_t [2019-09-08 16:15:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_open [2019-09-08 16:15:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_close [2019-09-08 16:15:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_eee [2019-09-08 16:15:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_enable_eee [2019-09-08 16:15:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_enable_fc [2019-09-08 16:15:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_tally_reset [2019-09-08 16:15:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_init [2019-09-08 16:15:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure r8153_init [2019-09-08 16:15:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_suspend [2019-09-08 16:15:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_resume [2019-09-08 16:15:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_wol [2019-09-08 16:15:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_wol [2019-09-08 16:15:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_msglevel [2019-09-08 16:15:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_msglevel [2019-09-08 16:15:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_drvinfo [2019-09-08 16:15:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_settings [2019-09-08 16:15:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_set_settings [2019-09-08 16:15:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_sset_count [2019-09-08 16:15:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_ethtool_stats [2019-09-08 16:15:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_get_strings [2019-09-08 16:15:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_ioctl [2019-09-08 16:15:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure r8152b_get_version [2019-09-08 16:15:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_unload [2019-09-08 16:15:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8153_unload [2019-09-08 16:15:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ops_init [2019-09-08 16:15:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_probe [2019-09-08 16:15:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_disconnect [2019-09-08 16:15:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_driver_init [2019-09-08 16:15:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8152_driver_exit [2019-09-08 16:15:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-08 16:15:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_3 [2019-09-08 16:15:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2019-09-08 16:15:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 16:15:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 16:15:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-08 16:15:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-08 16:15:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-08 16:15:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-08 16:15:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-08 16:15:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-08 16:15:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_14 [2019-09-08 16:15:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_16 [2019-09-08 16:15:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_17 [2019-09-08 16:15:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_18 [2019-09-08 16:15:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_19 [2019-09-08 16:15:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_20 [2019-09-08 16:15:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_21 [2019-09-08 16:15:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-08 16:15:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-08 16:15:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-08 16:15:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-08 16:15:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-08 16:15:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 16:15:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 16:15:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 16:15:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 16:15:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-08 16:15:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 16:15:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-08 16:15:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-08 16:15:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-08 16:15:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-08 16:15:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-08 16:15:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 16:15:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 16:15:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-08 16:15:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 16:15:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc_node [2019-09-08 16:15:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 16:15:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-08 16:15:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-08 16:15:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 16:15:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 16:15:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_gso_segment [2019-09-08 16:15:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-08 16:15:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 16:15:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-09-08 16:15:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-08 16:15:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 16:15:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-09-08 16:15:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 16:15:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-08 16:15:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2019-09-08 16:15:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2019-09-08 16:15:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_ipv6_magic [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-09-08 16:15:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2019-09-08 16:15:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2019-09-08 16:15:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_help [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone_tx_timestamp [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-08 16:15:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2019-09-08 16:15:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-08 16:15:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-08 16:15:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 16:15:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-08 16:15:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-09-08 16:15:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-09-08 16:15:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-09-08 16:15:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_set_configuration [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-08 16:15:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-08 16:15:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 16:15:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 16:15:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 16:15:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 16:15:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 16:15:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 16:15:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 16:15:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 16:15:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 16:15:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 16:15:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 16:15:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 16:15:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 16:15:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 16:15:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-08 16:15:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-08 16:15:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 16:15:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 16:15:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 16:15:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 16:15:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 16:15:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 16:15:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 16:15:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 16:15:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-08 16:15:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-08 16:15:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-08 16:15:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2019-09-08 16:15:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2019-09-08 16:15:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 16:15:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 16:15:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 16:15:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 16:15:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-08 16:15:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-09-08 16:15:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 16:15:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-08 16:15:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-08 16:15:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-08 16:15:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 16:15:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 16:15:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 16:15:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-09-08 16:15:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-08 16:15:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 16:15:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-09-08 16:15:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 16:15:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 16:15:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 16:15:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-09-08 16:15:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 16:15:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-09-08 16:15:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 16:15:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-08 16:15:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-09-08 16:15:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 16:15:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-08 16:15:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2019-09-08 16:15:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-09-08 16:15:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-09-08 16:15:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-09-08 16:15:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2019-09-08 16:15:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 16:15:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 16:15:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 16:15:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc_node [2019-09-08 16:15:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 16:15:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_node [2019-09-08 16:15:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure csum_ipv6_magic [2019-09-08 16:15:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2019-09-08 16:15:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2019-09-08 16:15:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 16:15:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 16:15:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 16:15:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-08 16:15:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-08 16:15:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-08 16:15:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-08 16:15:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-08 16:15:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-08 16:15:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-08 16:15:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-09-08 16:15:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-08 16:15:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2019-09-08 16:15:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2019-09-08 16:15:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-09-08 16:15:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_splice [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_splice_init [2019-09-08 16:15:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_after [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_14 [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2019-09-08 16:15:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2019-09-08 16:15:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2019-09-08 16:15:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2019-09-08 16:15:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-08 16:15:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-09-08 16:15:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-09-08 16:15:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2019-09-08 16:15:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2019-09-08 16:15:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone_tx_timestamp [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure sw_tx_timestamp [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 16:15:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 16:15:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-09-08 16:15:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 16:15:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 16:15:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 16:15:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 16:15:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 16:15:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 16:15:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 16:15:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 16:15:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 16:15:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 16:15:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 16:15:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 16:15:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-08 16:15:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_3 [2019-09-08 16:15:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2019-09-08 16:15:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 16:15:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-08 16:15:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-09-08 16:15:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_unlock_wait [2019-09-08 16:15:47,275 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-08 16:15:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-08 16:15:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable_nosync [2019-09-08 16:15:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2019-09-08 16:15:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2019-09-08 16:15:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-08 16:15:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-08 16:15:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 16:15:47,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 16:15:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 16:15:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_17 [2019-09-08 16:15:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_19 [2019-09-08 16:15:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 16:15:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2019-09-08 16:15:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-08 16:15:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-08 16:15:47,277 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-08 16:15:47,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock [2019-09-08 16:15:47,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock [2019-09-08 16:15:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 16:15:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_16 [2019-09-08 16:15:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 16:15:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_18 [2019-09-08 16:15:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_help [2019-09-08 16:15:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_gso_segment [2019-09-08 16:15:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_gso_segment [2019-09-08 16:15:47,280 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_gso_max_size [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-08 16:15:47,281 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-09-08 16:15:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-09-08 16:15:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-09-08 16:15:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2019-09-08 16:15:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2019-09-08 16:15:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-09-08 16:15:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-08 16:15:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-08 16:15:47,286 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-08 16:15:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-08 16:15:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-09-08 16:15:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-09-08 16:15:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-09-08 16:15:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-09-08 16:15:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-09-08 16:15:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-08 16:15:47,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-08 16:15:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_20 [2019-09-08 16:15:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-08 16:15:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_21 [2019-09-08 16:15:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-08 16:15:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-08 16:15:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-08 16:15:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-08 16:15:47,288 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_set_configuration [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_eth_hdr [2019-09-08 16:15:47,289 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2019-09-08 16:15:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2019-09-08 16:15:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2019-09-08 16:15:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_v6_check [2019-09-08 16:15:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2019-09-08 16:15:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 16:15:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2019-09-08 16:15:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_read [2019-09-08 16:15:47,290 INFO L130 BoogieDeclarations]: Found specification of procedure generic_ocp_write [2019-09-08 16:15:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_read [2019-09-08 16:15:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure pla_ocp_write [2019-09-08 16:15:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ocp_write [2019-09-08 16:15:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_dword [2019-09-08 16:15:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_dword [2019-09-08 16:15:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_word [2019-09-08 16:15:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_word [2019-09-08 16:15:47,291 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read_byte [2019-09-08 16:15:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write_byte [2019-09-08 16:15:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_read [2019-09-08 16:15:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_reg_write [2019-09-08 16:15:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_write [2019-09-08 16:15:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_mdio_read [2019-09-08 16:15:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2019-09-08 16:15:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure sram_read [2019-09-08 16:15:47,292 INFO L130 BoogieDeclarations]: Found specification of procedure read_mii_word [2019-09-08 16:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write_mii_word [2019-09-08 16:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_submit_rx [2019-09-08 16:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure set_ethernet_addr [2019-09-08 16:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_mac_address [2019-09-08 16:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure read_bulk_callback [2019-09-08 16:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure write_bulk_callback [2019-09-08 16:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure intr_callback [2019-09-08 16:15:47,293 INFO L130 BoogieDeclarations]: Found specification of procedure rx_agg_align [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure tx_agg_align [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_mem [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_all_mem [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_get_tx_agg [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure get_protocol [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_csum_workaround [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure msdn_giant_send_check [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_tx_csum [2019-09-08 16:15:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_tx_agg_fill [2019-09-08 16:15:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_rx_csum [2019-09-08 16:15:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure rx_bottom [2019-09-08 16:15:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure tx_bottom [2019-09-08 16:15:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure bottom_half [2019-09-08 16:15:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_drop_queued_tx [2019-09-08 16:15:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_tx_timeout [2019-09-08 16:15:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_rx_mode [2019-09-08 16:15:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8152_set_rx_mode [2019-09-08 16:15:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_start_xmit [2019-09-08 16:15:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_reset_packet_filter [2019-09-08 16:15:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_nic_reset [2019-09-08 16:15:47,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_qlen [2019-09-08 16:15:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_speed [2019-09-08 16:15:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_eee_plus [2019-09-08 16:15:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure rxdy_gated_en [2019-09-08 16:15:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_enable [2019-09-08 16:15:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_enable [2019-09-08 16:15:47,297 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_set_rx_agg [2019-09-08 16:15:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8153_enable [2019-09-08 16:15:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disable [2019-09-08 16:15:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure r8152_power_cut_en [2019-09-08 16:15:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_get_wol [2019-09-08 16:15:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl_set_wol [2019-09-08 16:15:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_runtime_suspend_enable [2019-09-08 16:15:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_reset [2019-09-08 16:15:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_clear_bp [2019-09-08 16:15:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_clear_bp [2019-09-08 16:15:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_teredo_off [2019-09-08 16:15:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_disable_aldps [2019-09-08 16:15:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_aldps [2019-09-08 16:15:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_hw_phy_cfg [2019-09-08 16:15:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_exit_oob [2019-09-08 16:15:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enter_oob [2019-09-08 16:15:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_hw_phy_cfg [2019-09-08 16:15:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u1u2en [2019-09-08 16:15:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 16:15:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_u2p3en [2019-09-08 16:15:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_power_cut_en [2019-09-08 16:15:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_first_init [2019-09-08 16:15:47,300 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enter_oob [2019-09-08 16:15:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_disable_aldps [2019-09-08 16:15:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_aldps [2019-09-08 16:15:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_speed [2019-09-08 16:15:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_down [2019-09-08 16:15:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8153_down [2019-09-08 16:15:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2019-09-08 16:15:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 16:15:47,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_work_func_t [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_open [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_close [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_eee [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_enable_eee [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_enable_fc [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_tally_reset [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_init [2019-09-08 16:15:47,302 INFO L130 BoogieDeclarations]: Found specification of procedure r8153_init [2019-09-08 16:15:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_suspend [2019-09-08 16:15:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_resume [2019-09-08 16:15:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_wol [2019-09-08 16:15:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_wol [2019-09-08 16:15:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_msglevel [2019-09-08 16:15:47,303 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_msglevel [2019-09-08 16:15:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_drvinfo [2019-09-08 16:15:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_settings [2019-09-08 16:15:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_set_settings [2019-09-08 16:15:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_sset_count [2019-09-08 16:15:47,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_ethtool_stats [2019-09-08 16:15:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_get_strings [2019-09-08 16:15:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_ioctl [2019-09-08 16:15:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure r8152b_get_version [2019-09-08 16:15:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_unload [2019-09-08 16:15:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8153_unload [2019-09-08 16:15:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ops_init [2019-09-08 16:15:47,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_probe [2019-09-08 16:15:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_disconnect [2019-09-08 16:15:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_driver_init [2019-09-08 16:15:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8152_driver_exit [2019-09-08 16:15:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2019-09-08 16:15:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2019-09-08 16:15:47,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 16:15:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 16:15:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 16:15:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-08 16:15:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-08 16:15:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-08 16:15:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-08 16:15:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-08 16:15:47,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 16:15:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 16:15:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 16:15:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-08 16:15:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-08 16:15:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-08 16:15:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-08 16:15:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 16:15:47,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 16:15:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 16:15:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 16:15:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 16:15:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 16:15:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 16:15:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 16:15:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 16:15:47,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 16:15:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 16:15:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 16:15:47,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 16:15:48,975 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 16:16:35,383 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 16:16:35,383 INFO L283 CfgBuilder]: Removed 16 assume(true) statements. [2019-09-08 16:16:35,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:16:35 BoogieIcfgContainer [2019-09-08 16:16:35,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 16:16:35,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 16:16:35,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 16:16:35,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 16:16:35,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:15:41" (1/3) ... [2019-09-08 16:16:35,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551edc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:16:35, skipping insertion in model container [2019-09-08 16:16:35,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:15:46" (2/3) ... [2019-09-08 16:16:35,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551edc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:16:35, skipping insertion in model container [2019-09-08 16:16:35,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:16:35" (3/3) ... [2019-09-08 16:16:35,395 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--r8152.ko-entry_point.cil.out.i [2019-09-08 16:16:35,406 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 16:16:35,417 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 16:16:35,435 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 16:16:35,482 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 16:16:35,483 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 16:16:35,483 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 16:16:35,483 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 16:16:35,483 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 16:16:35,484 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 16:16:35,484 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 16:16:35,484 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 16:16:35,484 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 16:16:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states. [2019-09-08 16:16:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-09-08 16:16:35,595 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:35,596 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:35,598 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:35,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1527507533, now seen corresponding path program 1 times [2019-09-08 16:16:35,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:35,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:35,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:35,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:35,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-08 16:16:36,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:36,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:16:36,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:16:36,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:16:36,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:36,562 INFO L87 Difference]: Start difference. First operand 3187 states. Second operand 3 states. [2019-09-08 16:16:39,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:39,439 INFO L93 Difference]: Finished difference Result 7451 states and 10447 transitions. [2019-09-08 16:16:39,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:16:39,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2019-09-08 16:16:39,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:39,507 INFO L225 Difference]: With dead ends: 7451 [2019-09-08 16:16:39,507 INFO L226 Difference]: Without dead ends: 4914 [2019-09-08 16:16:39,535 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:39,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4914 states. [2019-09-08 16:16:39,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4914 to 4914. [2019-09-08 16:16:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4914 states. [2019-09-08 16:16:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4914 states to 4914 states and 6778 transitions. [2019-09-08 16:16:39,952 INFO L78 Accepts]: Start accepts. Automaton has 4914 states and 6778 transitions. Word has length 96 [2019-09-08 16:16:39,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:39,954 INFO L475 AbstractCegarLoop]: Abstraction has 4914 states and 6778 transitions. [2019-09-08 16:16:39,954 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:16:39,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4914 states and 6778 transitions. [2019-09-08 16:16:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-09-08 16:16:39,964 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:39,964 INFO L399 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:39,965 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:39,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:39,965 INFO L82 PathProgramCache]: Analyzing trace with hash 611831031, now seen corresponding path program 1 times [2019-09-08 16:16:39,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:39,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:39,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:39,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:39,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-09-08 16:16:40,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:40,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:16:40,518 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:16:40,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:16:40,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:16:40,519 INFO L87 Difference]: Start difference. First operand 4914 states and 6778 transitions. Second operand 6 states. [2019-09-08 16:16:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:49,523 INFO L93 Difference]: Finished difference Result 14685 states and 20422 transitions. [2019-09-08 16:16:49,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:16:49,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2019-09-08 16:16:49,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:49,609 INFO L225 Difference]: With dead ends: 14685 [2019-09-08 16:16:49,609 INFO L226 Difference]: Without dead ends: 9781 [2019-09-08 16:16:49,645 INFO L628 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 [2019-09-08 16:16:49,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9781 states. [2019-09-08 16:16:50,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9781 to 9781. [2019-09-08 16:16:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9781 states. [2019-09-08 16:16:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9781 states to 9781 states and 13578 transitions. [2019-09-08 16:16:50,130 INFO L78 Accepts]: Start accepts. Automaton has 9781 states and 13578 transitions. Word has length 112 [2019-09-08 16:16:50,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:50,133 INFO L475 AbstractCegarLoop]: Abstraction has 9781 states and 13578 transitions. [2019-09-08 16:16:50,133 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:16:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 9781 states and 13578 transitions. [2019-09-08 16:16:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-09-08 16:16:50,197 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:50,197 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:50,198 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:50,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:50,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1390561902, now seen corresponding path program 1 times [2019-09-08 16:16:50,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:50,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:50,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:50,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:50,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2019-09-08 16:16:50,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:50,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:16:50,680 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:16:50,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:16:50,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:50,681 INFO L87 Difference]: Start difference. First operand 9781 states and 13578 transitions. Second operand 3 states. [2019-09-08 16:16:51,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:51,336 INFO L93 Difference]: Finished difference Result 28356 states and 39379 transitions. [2019-09-08 16:16:51,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:16:51,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2019-09-08 16:16:51,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:51,472 INFO L225 Difference]: With dead ends: 28356 [2019-09-08 16:16:51,472 INFO L226 Difference]: Without dead ends: 18606 [2019-09-08 16:16:51,525 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:51,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18606 states. [2019-09-08 16:16:52,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18606 to 18567. [2019-09-08 16:16:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18567 states. [2019-09-08 16:16:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18567 states to 18567 states and 25793 transitions. [2019-09-08 16:16:52,360 INFO L78 Accepts]: Start accepts. Automaton has 18567 states and 25793 transitions. Word has length 293 [2019-09-08 16:16:52,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:52,363 INFO L475 AbstractCegarLoop]: Abstraction has 18567 states and 25793 transitions. [2019-09-08 16:16:52,363 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:16:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 18567 states and 25793 transitions. [2019-09-08 16:16:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-09-08 16:16:52,432 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:52,432 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-09-08 16:16:52,432 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:52,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:52,433 INFO L82 PathProgramCache]: Analyzing trace with hash -532262521, now seen corresponding path program 1 times [2019-09-08 16:16:52,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:52,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:52,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:52,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:52,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2019-09-08 16:16:52,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:52,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:16:52,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:16:52,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:16:52,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:52,804 INFO L87 Difference]: Start difference. First operand 18567 states and 25793 transitions. Second operand 3 states. [2019-09-08 16:16:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:16:54,860 INFO L93 Difference]: Finished difference Result 53715 states and 74865 transitions. [2019-09-08 16:16:54,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:16:54,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-09-08 16:16:54,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:16:55,087 INFO L225 Difference]: With dead ends: 53715 [2019-09-08 16:16:55,087 INFO L226 Difference]: Without dead ends: 35179 [2019-09-08 16:16:55,165 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:55,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35179 states. [2019-09-08 16:16:56,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35179 to 35019. [2019-09-08 16:16:56,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35019 states. [2019-09-08 16:16:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35019 states to 35019 states and 48933 transitions. [2019-09-08 16:16:56,981 INFO L78 Accepts]: Start accepts. Automaton has 35019 states and 48933 transitions. Word has length 260 [2019-09-08 16:16:56,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:16:56,982 INFO L475 AbstractCegarLoop]: Abstraction has 35019 states and 48933 transitions. [2019-09-08 16:16:56,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:16:56,982 INFO L276 IsEmpty]: Start isEmpty. Operand 35019 states and 48933 transitions. [2019-09-08 16:16:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-09-08 16:16:57,024 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:16:57,024 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:16:57,025 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:16:57,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:16:57,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1431938199, now seen corresponding path program 1 times [2019-09-08 16:16:57,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:16:57,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:16:57,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:57,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:16:57,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:16:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:16:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-09-08 16:16:57,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:16:57,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:16:57,425 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:16:57,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:16:57,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:16:57,426 INFO L87 Difference]: Start difference. First operand 35019 states and 48933 transitions. Second operand 3 states. [2019-09-08 16:17:00,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:00,349 INFO L93 Difference]: Finished difference Result 53070 states and 74098 transitions. [2019-09-08 16:17:00,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:17:00,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2019-09-08 16:17:00,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:00,466 INFO L225 Difference]: With dead ends: 53070 [2019-09-08 16:17:00,467 INFO L226 Difference]: Without dead ends: 18080 [2019-09-08 16:17:00,592 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:17:00,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18080 states. [2019-09-08 16:17:01,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18080 to 18068. [2019-09-08 16:17:01,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18068 states. [2019-09-08 16:17:03,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18068 states to 18068 states and 25188 transitions. [2019-09-08 16:17:03,046 INFO L78 Accepts]: Start accepts. Automaton has 18068 states and 25188 transitions. Word has length 328 [2019-09-08 16:17:03,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:03,049 INFO L475 AbstractCegarLoop]: Abstraction has 18068 states and 25188 transitions. [2019-09-08 16:17:03,049 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:17:03,049 INFO L276 IsEmpty]: Start isEmpty. Operand 18068 states and 25188 transitions. [2019-09-08 16:17:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2019-09-08 16:17:03,075 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:03,075 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:03,076 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:03,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:03,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1213034639, now seen corresponding path program 1 times [2019-09-08 16:17:03,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:03,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:03,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:03,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:03,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2019-09-08 16:17:03,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:03,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:17:03,448 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:17:03,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:17:03,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:17:03,448 INFO L87 Difference]: Start difference. First operand 18068 states and 25188 transitions. Second operand 3 states. [2019-09-08 16:17:06,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:06,278 INFO L93 Difference]: Finished difference Result 44090 states and 61535 transitions. [2019-09-08 16:17:06,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:17:06,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 334 [2019-09-08 16:17:06,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:06,410 INFO L225 Difference]: With dead ends: 44090 [2019-09-08 16:17:06,410 INFO L226 Difference]: Without dead ends: 26479 [2019-09-08 16:17:06,482 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:17:06,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26479 states. [2019-09-08 16:17:07,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26479 to 26424. [2019-09-08 16:17:07,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26424 states. [2019-09-08 16:17:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26424 states to 26424 states and 36862 transitions. [2019-09-08 16:17:07,524 INFO L78 Accepts]: Start accepts. Automaton has 26424 states and 36862 transitions. Word has length 334 [2019-09-08 16:17:07,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:07,525 INFO L475 AbstractCegarLoop]: Abstraction has 26424 states and 36862 transitions. [2019-09-08 16:17:07,525 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:17:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand 26424 states and 36862 transitions. [2019-09-08 16:17:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2019-09-08 16:17:07,554 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:07,555 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:07,555 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:07,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:07,556 INFO L82 PathProgramCache]: Analyzing trace with hash 62442042, now seen corresponding path program 1 times [2019-09-08 16:17:07,556 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:07,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:07,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:07,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:07,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2019-09-08 16:17:07,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:07,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:17:07,986 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:17:07,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:17:07,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:17:07,987 INFO L87 Difference]: Start difference. First operand 26424 states and 36862 transitions. Second operand 5 states. [2019-09-08 16:17:08,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:08,799 INFO L93 Difference]: Finished difference Result 52471 states and 73966 transitions. [2019-09-08 16:17:08,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:17:08,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 352 [2019-09-08 16:17:08,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:08,966 INFO L225 Difference]: With dead ends: 52471 [2019-09-08 16:17:08,967 INFO L226 Difference]: Without dead ends: 26504 [2019-09-08 16:17:09,104 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:17:09,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26504 states. [2019-09-08 16:17:10,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26504 to 26484. [2019-09-08 16:17:10,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26484 states. [2019-09-08 16:17:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26484 states to 26484 states and 36944 transitions. [2019-09-08 16:17:10,203 INFO L78 Accepts]: Start accepts. Automaton has 26484 states and 36944 transitions. Word has length 352 [2019-09-08 16:17:10,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:10,204 INFO L475 AbstractCegarLoop]: Abstraction has 26484 states and 36944 transitions. [2019-09-08 16:17:10,204 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:17:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 26484 states and 36944 transitions. [2019-09-08 16:17:10,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-09-08 16:17:10,225 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:10,225 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:10,226 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:10,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1982152146, now seen corresponding path program 1 times [2019-09-08 16:17:10,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:10,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:10,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:10,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:10,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2019-09-08 16:17:10,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:10,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:17:10,646 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:17:10,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:17:10,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:17:10,646 INFO L87 Difference]: Start difference. First operand 26484 states and 36944 transitions. Second operand 5 states. [2019-09-08 16:17:13,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:13,817 INFO L93 Difference]: Finished difference Result 61694 states and 85998 transitions. [2019-09-08 16:17:13,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:17:13,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 333 [2019-09-08 16:17:13,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:14,356 INFO L225 Difference]: With dead ends: 61694 [2019-09-08 16:17:14,356 INFO L226 Difference]: Without dead ends: 35667 [2019-09-08 16:17:14,432 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:17:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35667 states. [2019-09-08 16:17:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35667 to 26500. [2019-09-08 16:17:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26500 states. [2019-09-08 16:17:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26500 states to 26500 states and 36960 transitions. [2019-09-08 16:17:15,352 INFO L78 Accepts]: Start accepts. Automaton has 26500 states and 36960 transitions. Word has length 333 [2019-09-08 16:17:15,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:15,353 INFO L475 AbstractCegarLoop]: Abstraction has 26500 states and 36960 transitions. [2019-09-08 16:17:15,353 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:17:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 26500 states and 36960 transitions. [2019-09-08 16:17:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-09-08 16:17:15,365 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:15,366 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:15,366 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:15,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:15,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1083166049, now seen corresponding path program 1 times [2019-09-08 16:17:15,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:15,367 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:15,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:15,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:15,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:17:15,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:15,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:17:15,783 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:17:15,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:17:15,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:17:15,784 INFO L87 Difference]: Start difference. First operand 26500 states and 36960 transitions. Second operand 5 states. [2019-09-08 16:17:19,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:19,069 INFO L93 Difference]: Finished difference Result 61738 states and 86042 transitions. [2019-09-08 16:17:19,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:17:19,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 368 [2019-09-08 16:17:19,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:19,248 INFO L225 Difference]: With dead ends: 61738 [2019-09-08 16:17:19,248 INFO L226 Difference]: Without dead ends: 35695 [2019-09-08 16:17:19,339 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:17:19,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35695 states. [2019-09-08 16:17:20,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35695 to 26500. [2019-09-08 16:17:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26500 states. [2019-09-08 16:17:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26500 states to 26500 states and 36960 transitions. [2019-09-08 16:17:20,137 INFO L78 Accepts]: Start accepts. Automaton has 26500 states and 36960 transitions. Word has length 368 [2019-09-08 16:17:20,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:20,138 INFO L475 AbstractCegarLoop]: Abstraction has 26500 states and 36960 transitions. [2019-09-08 16:17:20,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:17:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 26500 states and 36960 transitions. [2019-09-08 16:17:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2019-09-08 16:17:20,152 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:20,153 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:20,153 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:20,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:20,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1311255218, now seen corresponding path program 1 times [2019-09-08 16:17:20,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:20,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:20,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:20,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:20,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:17:20,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:20,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:17:20,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:17:20,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:17:20,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:17:20,812 INFO L87 Difference]: Start difference. First operand 26500 states and 36960 transitions. Second operand 6 states. [2019-09-08 16:17:21,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:21,350 INFO L93 Difference]: Finished difference Result 52567 states and 73353 transitions. [2019-09-08 16:17:21,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:17:21,351 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 397 [2019-09-08 16:17:21,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:21,465 INFO L225 Difference]: With dead ends: 52567 [2019-09-08 16:17:21,465 INFO L226 Difference]: Without dead ends: 26524 [2019-09-08 16:17:21,544 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:17:21,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26524 states. [2019-09-08 16:17:22,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26524 to 26524. [2019-09-08 16:17:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26524 states. [2019-09-08 16:17:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26524 states to 26524 states and 36984 transitions. [2019-09-08 16:17:22,790 INFO L78 Accepts]: Start accepts. Automaton has 26524 states and 36984 transitions. Word has length 397 [2019-09-08 16:17:22,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:22,790 INFO L475 AbstractCegarLoop]: Abstraction has 26524 states and 36984 transitions. [2019-09-08 16:17:22,790 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:17:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 26524 states and 36984 transitions. [2019-09-08 16:17:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2019-09-08 16:17:22,814 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:22,815 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:17:22,815 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:22,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1088992429, now seen corresponding path program 1 times [2019-09-08 16:17:22,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:22,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:22,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:22,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:22,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:23,322 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:17:23,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:23,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 16:17:23,323 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 16:17:23,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 16:17:23,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:17:23,324 INFO L87 Difference]: Start difference. First operand 26524 states and 36984 transitions. Second operand 9 states. [2019-09-08 16:17:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:26,881 INFO L93 Difference]: Finished difference Result 61832 states and 86174 transitions. [2019-09-08 16:17:26,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 16:17:26,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 395 [2019-09-08 16:17:26,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:27,043 INFO L225 Difference]: With dead ends: 61832 [2019-09-08 16:17:27,043 INFO L226 Difference]: Without dead ends: 35765 [2019-09-08 16:17:27,136 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2019-09-08 16:17:27,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35765 states. [2019-09-08 16:17:28,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35765 to 26532. [2019-09-08 16:17:28,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26532 states. [2019-09-08 16:17:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26532 states to 26532 states and 36988 transitions. [2019-09-08 16:17:28,362 INFO L78 Accepts]: Start accepts. Automaton has 26532 states and 36988 transitions. Word has length 395 [2019-09-08 16:17:28,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:28,362 INFO L475 AbstractCegarLoop]: Abstraction has 26532 states and 36988 transitions. [2019-09-08 16:17:28,363 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 16:17:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 26532 states and 36988 transitions. [2019-09-08 16:17:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2019-09-08 16:17:28,396 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:28,396 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 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] [2019-09-08 16:17:28,397 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:28,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:28,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1925399896, now seen corresponding path program 1 times [2019-09-08 16:17:28,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:28,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:28,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:28,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:28,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2019-09-08 16:17:28,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:28,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:17:28,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:17:28,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:17:28,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:17:28,843 INFO L87 Difference]: Start difference. First operand 26532 states and 36988 transitions. Second operand 6 states. [2019-09-08 16:17:32,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:32,374 INFO L93 Difference]: Finished difference Result 61806 states and 86094 transitions. [2019-09-08 16:17:32,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 16:17:32,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 421 [2019-09-08 16:17:32,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:32,528 INFO L225 Difference]: With dead ends: 61806 [2019-09-08 16:17:32,528 INFO L226 Difference]: Without dead ends: 35731 [2019-09-08 16:17:32,592 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-08 16:17:32,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35731 states. [2019-09-08 16:17:33,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35731 to 26524. [2019-09-08 16:17:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26524 states. [2019-09-08 16:17:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26524 states to 26524 states and 36976 transitions. [2019-09-08 16:17:33,452 INFO L78 Accepts]: Start accepts. Automaton has 26524 states and 36976 transitions. Word has length 421 [2019-09-08 16:17:33,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:33,453 INFO L475 AbstractCegarLoop]: Abstraction has 26524 states and 36976 transitions. [2019-09-08 16:17:33,453 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:17:33,453 INFO L276 IsEmpty]: Start isEmpty. Operand 26524 states and 36976 transitions. [2019-09-08 16:17:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2019-09-08 16:17:33,485 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:33,486 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 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] [2019-09-08 16:17:33,486 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:33,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:33,487 INFO L82 PathProgramCache]: Analyzing trace with hash 377272674, now seen corresponding path program 1 times [2019-09-08 16:17:33,487 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:33,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:33,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:33,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:33,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2019-09-08 16:17:34,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:34,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 16:17:34,452 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 16:17:34,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 16:17:34,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:17:34,453 INFO L87 Difference]: Start difference. First operand 26524 states and 36976 transitions. Second operand 4 states. [2019-09-08 16:17:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:35,196 INFO L93 Difference]: Finished difference Result 53059 states and 73972 transitions. [2019-09-08 16:17:35,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:17:35,196 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 421 [2019-09-08 16:17:35,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:35,360 INFO L225 Difference]: With dead ends: 53059 [2019-09-08 16:17:35,360 INFO L226 Difference]: Without dead ends: 26565 [2019-09-08 16:17:35,477 INFO L628 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 [2019-09-08 16:17:35,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26565 states. [2019-09-08 16:17:36,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26565 to 26529. [2019-09-08 16:17:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26529 states. [2019-09-08 16:17:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26529 states to 26529 states and 36982 transitions. [2019-09-08 16:17:36,487 INFO L78 Accepts]: Start accepts. Automaton has 26529 states and 36982 transitions. Word has length 421 [2019-09-08 16:17:36,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:36,488 INFO L475 AbstractCegarLoop]: Abstraction has 26529 states and 36982 transitions. [2019-09-08 16:17:36,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 16:17:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 26529 states and 36982 transitions. [2019-09-08 16:17:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-09-08 16:17:36,521 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:36,522 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 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] [2019-09-08 16:17:36,522 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:36,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:36,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1550941293, now seen corresponding path program 1 times [2019-09-08 16:17:36,522 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:36,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:36,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:36,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:36,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2019-09-08 16:17:38,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:17:38,255 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -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 [2019-09-08 16:17:38,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:39,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 4233 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 16:17:39,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:17:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 192 proven. 1 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-09-08 16:17:39,351 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:17:39,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 16:17:39,357 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:17:39,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:17:39,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:17:39,358 INFO L87 Difference]: Start difference. First operand 26529 states and 36982 transitions. Second operand 8 states. [2019-09-08 16:17:40,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:40,479 INFO L93 Difference]: Finished difference Result 53098 states and 74584 transitions. [2019-09-08 16:17:40,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 16:17:40,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 424 [2019-09-08 16:17:40,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:40,719 INFO L225 Difference]: With dead ends: 53098 [2019-09-08 16:17:40,720 INFO L226 Difference]: Without dead ends: 26554 [2019-09-08 16:17:40,855 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:17:40,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26554 states. [2019-09-08 16:17:42,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26554 to 26554. [2019-09-08 16:17:42,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26554 states. [2019-09-08 16:17:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26554 states to 26554 states and 37006 transitions. [2019-09-08 16:17:42,856 INFO L78 Accepts]: Start accepts. Automaton has 26554 states and 37006 transitions. Word has length 424 [2019-09-08 16:17:42,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:42,856 INFO L475 AbstractCegarLoop]: Abstraction has 26554 states and 37006 transitions. [2019-09-08 16:17:42,857 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:17:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 26554 states and 37006 transitions. [2019-09-08 16:17:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2019-09-08 16:17:42,924 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:42,927 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 3, 3, 3, 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] [2019-09-08 16:17:42,927 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:42,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:42,928 INFO L82 PathProgramCache]: Analyzing trace with hash 232238210, now seen corresponding path program 1 times [2019-09-08 16:17:42,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:42,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:42,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:42,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:42,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2019-09-08 16:17:43,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:17:43,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:17:43,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:17:43,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:17:43,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:17:43,746 INFO L87 Difference]: Start difference. First operand 26554 states and 37006 transitions. Second operand 3 states. [2019-09-08 16:17:44,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:44,673 INFO L93 Difference]: Finished difference Result 52653 states and 73419 transitions. [2019-09-08 16:17:44,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:17:44,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 423 [2019-09-08 16:17:44,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:44,900 INFO L225 Difference]: With dead ends: 52653 [2019-09-08 16:17:44,900 INFO L226 Difference]: Without dead ends: 26562 [2019-09-08 16:17:44,997 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:17:45,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26562 states. [2019-09-08 16:17:46,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26562 to 26562. [2019-09-08 16:17:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26562 states. [2019-09-08 16:17:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26562 states to 26562 states and 37014 transitions. [2019-09-08 16:17:46,565 INFO L78 Accepts]: Start accepts. Automaton has 26562 states and 37014 transitions. Word has length 423 [2019-09-08 16:17:46,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:46,566 INFO L475 AbstractCegarLoop]: Abstraction has 26562 states and 37014 transitions. [2019-09-08 16:17:46,566 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:17:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 26562 states and 37014 transitions. [2019-09-08 16:17:46,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-09-08 16:17:46,600 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:46,600 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 3, 3, 3, 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] [2019-09-08 16:17:46,600 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:46,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:46,601 INFO L82 PathProgramCache]: Analyzing trace with hash -522068267, now seen corresponding path program 1 times [2019-09-08 16:17:46,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:46,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:46,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:46,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:46,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2019-09-08 16:17:47,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:17:47,589 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:17:47,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:48,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 4246 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 16:17:48,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:17:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 16:17:48,764 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:17:48,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 8 [2019-09-08 16:17:48,765 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:17:48,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:17:48,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:17:48,766 INFO L87 Difference]: Start difference. First operand 26562 states and 37014 transitions. Second operand 8 states. [2019-09-08 16:17:49,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:49,850 INFO L93 Difference]: Finished difference Result 53135 states and 74604 transitions. [2019-09-08 16:17:49,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:17:49,851 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 427 [2019-09-08 16:17:49,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:50,000 INFO L225 Difference]: With dead ends: 53135 [2019-09-08 16:17:50,000 INFO L226 Difference]: Without dead ends: 26583 [2019-09-08 16:17:50,087 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:17:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26583 states. [2019-09-08 16:17:50,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26583 to 26583. [2019-09-08 16:17:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26583 states. [2019-09-08 16:17:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26583 states to 26583 states and 37035 transitions. [2019-09-08 16:17:50,977 INFO L78 Accepts]: Start accepts. Automaton has 26583 states and 37035 transitions. Word has length 427 [2019-09-08 16:17:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:50,978 INFO L475 AbstractCegarLoop]: Abstraction has 26583 states and 37035 transitions. [2019-09-08 16:17:50,978 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:17:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 26583 states and 37035 transitions. [2019-09-08 16:17:51,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-09-08 16:17:51,005 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:51,006 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 3, 3, 3, 3, 3, 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] [2019-09-08 16:17:51,006 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:51,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:51,008 INFO L82 PathProgramCache]: Analyzing trace with hash -369821026, now seen corresponding path program 1 times [2019-09-08 16:17:51,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:51,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:51,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:51,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:51,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-09-08 16:17:51,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:17:51,993 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:17:52,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:52,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 4253 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 16:17:52,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:17:53,558 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 192 proven. 6 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2019-09-08 16:17:53,569 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:17:53,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 16:17:53,571 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 16:17:53,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 16:17:53,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:17:53,571 INFO L87 Difference]: Start difference. First operand 26583 states and 37035 transitions. Second operand 12 states. [2019-09-08 16:17:54,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:17:54,583 INFO L93 Difference]: Finished difference Result 53168 states and 74629 transitions. [2019-09-08 16:17:54,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 16:17:54,584 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 424 [2019-09-08 16:17:54,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:17:54,707 INFO L225 Difference]: With dead ends: 53168 [2019-09-08 16:17:54,708 INFO L226 Difference]: Without dead ends: 26596 [2019-09-08 16:17:54,790 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2019-09-08 16:17:54,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26596 states. [2019-09-08 16:17:55,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26596 to 26596. [2019-09-08 16:17:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26596 states. [2019-09-08 16:17:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26596 states to 26596 states and 37048 transitions. [2019-09-08 16:17:55,628 INFO L78 Accepts]: Start accepts. Automaton has 26596 states and 37048 transitions. Word has length 424 [2019-09-08 16:17:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:17:55,629 INFO L475 AbstractCegarLoop]: Abstraction has 26596 states and 37048 transitions. [2019-09-08 16:17:55,629 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 16:17:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 26596 states and 37048 transitions. [2019-09-08 16:17:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-09-08 16:17:55,658 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:17:55,658 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 3, 3, 3, 3, 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] [2019-09-08 16:17:55,659 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:17:55,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:17:55,659 INFO L82 PathProgramCache]: Analyzing trace with hash 435966053, now seen corresponding path program 2 times [2019-09-08 16:17:55,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:17:55,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:17:55,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:55,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:17:55,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:17:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:17:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-09-08 16:17:56,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:17:56,234 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:17:56,265 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 16:18:09,852 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 16:18:09,852 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:18:09,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 4259 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 16:18:11,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:18:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 71 proven. 6 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:18:12,089 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:18:12,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-09-08 16:18:12,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:18:12,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:18:12,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:18:12,091 INFO L87 Difference]: Start difference. First operand 26596 states and 37048 transitions. Second operand 6 states. [2019-09-08 16:18:13,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:18:13,014 INFO L93 Difference]: Finished difference Result 52735 states and 73501 transitions. [2019-09-08 16:18:13,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:18:13,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 425 [2019-09-08 16:18:13,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:18:13,147 INFO L225 Difference]: With dead ends: 52735 [2019-09-08 16:18:13,147 INFO L226 Difference]: Without dead ends: 26604 [2019-09-08 16:18:13,206 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 424 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:18:13,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26604 states. [2019-09-08 16:18:13,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26604 to 26604. [2019-09-08 16:18:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26604 states. [2019-09-08 16:18:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26604 states to 26604 states and 37056 transitions. [2019-09-08 16:18:13,986 INFO L78 Accepts]: Start accepts. Automaton has 26604 states and 37056 transitions. Word has length 425 [2019-09-08 16:18:13,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:18:13,986 INFO L475 AbstractCegarLoop]: Abstraction has 26604 states and 37056 transitions. [2019-09-08 16:18:13,986 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:18:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 26604 states and 37056 transitions. [2019-09-08 16:18:14,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2019-09-08 16:18:14,008 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:18:14,008 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 4, 4, 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] [2019-09-08 16:18:14,009 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:18:14,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:18:14,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1625738411, now seen corresponding path program 2 times [2019-09-08 16:18:14,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:18:14,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:18:14,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:14,013 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:18:14,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:18:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-09-08 16:18:14,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:18:14,584 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:18:14,624 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 16:18:29,937 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 16:18:29,937 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:18:29,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 4272 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 16:18:29,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:18:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 71 proven. 12 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:18:30,229 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:18:30,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-09-08 16:18:30,230 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 16:18:30,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 16:18:30,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:18:30,231 INFO L87 Difference]: Start difference. First operand 26604 states and 37056 transitions. Second operand 7 states. [2019-09-08 16:18:30,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:18:30,851 INFO L93 Difference]: Finished difference Result 52751 states and 73517 transitions. [2019-09-08 16:18:30,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:18:30,851 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 433 [2019-09-08 16:18:30,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:18:30,950 INFO L225 Difference]: With dead ends: 52751 [2019-09-08 16:18:30,951 INFO L226 Difference]: Without dead ends: 26612 [2019-09-08 16:18:31,013 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:18:31,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26612 states. [2019-09-08 16:18:31,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26612 to 26612. [2019-09-08 16:18:31,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26612 states. [2019-09-08 16:18:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26612 states to 26612 states and 37064 transitions. [2019-09-08 16:18:32,003 INFO L78 Accepts]: Start accepts. Automaton has 26612 states and 37064 transitions. Word has length 433 [2019-09-08 16:18:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:18:32,003 INFO L475 AbstractCegarLoop]: Abstraction has 26612 states and 37064 transitions. [2019-09-08 16:18:32,004 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 16:18:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 26612 states and 37064 transitions. [2019-09-08 16:18:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2019-09-08 16:18:32,023 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:18:32,024 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 5, 4, 4, 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] [2019-09-08 16:18:32,024 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:18:32,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:18:32,024 INFO L82 PathProgramCache]: Analyzing trace with hash -441849502, now seen corresponding path program 1 times [2019-09-08 16:18:32,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:18:32,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:18:32,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:32,028 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:18:32,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:18:33,039 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-09-08 16:18:33,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:18:33,039 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:18:33,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:18:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:18:34,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 4278 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 16:18:34,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:18:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 71 proven. 20 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:18:35,009 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:18:35,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-09-08 16:18:35,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:18:35,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:18:35,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:18:35,011 INFO L87 Difference]: Start difference. First operand 26612 states and 37064 transitions. Second operand 8 states. [2019-09-08 16:18:35,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:18:35,587 INFO L93 Difference]: Finished difference Result 52767 states and 73533 transitions. [2019-09-08 16:18:35,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:18:35,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 435 [2019-09-08 16:18:35,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:18:35,678 INFO L225 Difference]: With dead ends: 52767 [2019-09-08 16:18:35,678 INFO L226 Difference]: Without dead ends: 26620 [2019-09-08 16:18:35,736 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 434 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:18:35,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26620 states. [2019-09-08 16:18:36,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26620 to 26620. [2019-09-08 16:18:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26620 states. [2019-09-08 16:18:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26620 states to 26620 states and 37072 transitions. [2019-09-08 16:18:36,445 INFO L78 Accepts]: Start accepts. Automaton has 26620 states and 37072 transitions. Word has length 435 [2019-09-08 16:18:36,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:18:36,446 INFO L475 AbstractCegarLoop]: Abstraction has 26620 states and 37072 transitions. [2019-09-08 16:18:36,446 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:18:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 26620 states and 37072 transitions. [2019-09-08 16:18:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-09-08 16:18:36,466 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:18:36,467 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 6, 5, 4, 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] [2019-09-08 16:18:36,467 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:18:36,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:18:36,467 INFO L82 PathProgramCache]: Analyzing trace with hash 490601437, now seen corresponding path program 2 times [2019-09-08 16:18:36,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:18:36,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:18:36,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:36,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:18:36,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:18:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 7 proven. 30 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-09-08 16:18:37,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:18:37,387 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:18:37,881 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 16:18:52,309 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 16:18:52,310 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:18:52,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 4285 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 16:18:52,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:18:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 71 proven. 30 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:18:52,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:18:52,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2019-09-08 16:18:52,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 16:18:52,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 16:18:52,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:18:52,557 INFO L87 Difference]: Start difference. First operand 26620 states and 37072 transitions. Second operand 9 states. [2019-09-08 16:18:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:18:53,259 INFO L93 Difference]: Finished difference Result 52783 states and 73549 transitions. [2019-09-08 16:18:53,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:18:53,259 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 437 [2019-09-08 16:18:53,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:18:53,346 INFO L225 Difference]: With dead ends: 52783 [2019-09-08 16:18:53,347 INFO L226 Difference]: Without dead ends: 26628 [2019-09-08 16:18:53,404 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 436 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:18:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26628 states. [2019-09-08 16:18:54,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26628 to 26628. [2019-09-08 16:18:54,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26628 states. [2019-09-08 16:18:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26628 states to 26628 states and 37080 transitions. [2019-09-08 16:18:54,108 INFO L78 Accepts]: Start accepts. Automaton has 26628 states and 37080 transitions. Word has length 437 [2019-09-08 16:18:54,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:18:54,109 INFO L475 AbstractCegarLoop]: Abstraction has 26628 states and 37080 transitions. [2019-09-08 16:18:54,109 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 16:18:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 26628 states and 37080 transitions. [2019-09-08 16:18:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2019-09-08 16:18:54,130 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:18:54,131 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 13, 7, 6, 4, 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] [2019-09-08 16:18:54,131 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:18:54,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:18:54,132 INFO L82 PathProgramCache]: Analyzing trace with hash 483146449, now seen corresponding path program 3 times [2019-09-08 16:18:54,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:18:54,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:18:54,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:54,135 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:18:54,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:18:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:18:55,326 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-09-08 16:18:55,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:18:55,326 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:18:55,351 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 16:19:08,399 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-09-08 16:19:08,399 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:19:08,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 2657 conjuncts, 52 conjunts are in the unsatisfiable core [2019-09-08 16:19:08,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:19:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2019-09-08 16:19:08,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:19:08,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2019-09-08 16:19:08,882 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 16:19:08,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 16:19:08,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2019-09-08 16:19:08,883 INFO L87 Difference]: Start difference. First operand 26628 states and 37080 transitions. Second operand 18 states. [2019-09-08 16:19:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:19:09,858 INFO L93 Difference]: Finished difference Result 52939 states and 74488 transitions. [2019-09-08 16:19:09,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 16:19:09,861 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 433 [2019-09-08 16:19:09,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:19:09,946 INFO L225 Difference]: With dead ends: 52939 [2019-09-08 16:19:09,946 INFO L226 Difference]: Without dead ends: 26776 [2019-09-08 16:19:10,005 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2019-09-08 16:19:10,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26776 states. [2019-09-08 16:19:10,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26776 to 26708. [2019-09-08 16:19:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26708 states. [2019-09-08 16:19:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26708 states to 26708 states and 37148 transitions. [2019-09-08 16:19:10,685 INFO L78 Accepts]: Start accepts. Automaton has 26708 states and 37148 transitions. Word has length 433 [2019-09-08 16:19:10,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:19:10,686 INFO L475 AbstractCegarLoop]: Abstraction has 26708 states and 37148 transitions. [2019-09-08 16:19:10,686 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 16:19:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 26708 states and 37148 transitions. [2019-09-08 16:19:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2019-09-08 16:19:10,707 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:19:10,708 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 8, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:19:10,708 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:19:10,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:19:10,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1019036821, now seen corresponding path program 1 times [2019-09-08 16:19:10,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:19:10,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:19:10,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:19:10,711 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:19:10,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:19:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:19:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2019-09-08 16:19:11,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:19:11,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:19:11,110 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:19:11,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:19:11,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:19:11,111 INFO L87 Difference]: Start difference. First operand 26708 states and 37148 transitions. Second operand 3 states. [2019-09-08 16:19:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:19:11,866 INFO L93 Difference]: Finished difference Result 39904 states and 55867 transitions. [2019-09-08 16:19:11,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:19:11,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 461 [2019-09-08 16:19:11,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:19:11,931 INFO L225 Difference]: With dead ends: 39904 [2019-09-08 16:19:11,932 INFO L226 Difference]: Without dead ends: 26732 [2019-09-08 16:19:11,958 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:19:11,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26732 states. [2019-09-08 16:19:12,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26732 to 26720. [2019-09-08 16:19:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26720 states. [2019-09-08 16:19:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26720 states to 26720 states and 37160 transitions. [2019-09-08 16:19:12,644 INFO L78 Accepts]: Start accepts. Automaton has 26720 states and 37160 transitions. Word has length 461 [2019-09-08 16:19:12,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:19:12,644 INFO L475 AbstractCegarLoop]: Abstraction has 26720 states and 37160 transitions. [2019-09-08 16:19:12,644 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:19:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 26720 states and 37160 transitions. [2019-09-08 16:19:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2019-09-08 16:19:12,668 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:19:12,671 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 8, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:19:12,671 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:19:12,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:19:12,672 INFO L82 PathProgramCache]: Analyzing trace with hash -66167931, now seen corresponding path program 1 times [2019-09-08 16:19:12,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:19:12,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:19:12,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:19:12,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:19:12,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:19:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:19:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2019-09-08 16:19:13,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:19:13,134 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:19:13,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:19:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:19:14,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 4398 conjuncts, 19 conjunts are in the unsatisfiable core [2019-09-08 16:19:14,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:19:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 135 proven. 62 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:19:14,284 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:19:14,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2019-09-08 16:19:14,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 16:19:14,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 16:19:14,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-09-08 16:19:14,288 INFO L87 Difference]: Start difference. First operand 26720 states and 37160 transitions. Second operand 11 states. [2019-09-08 16:20:10,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:20:10,027 INFO L93 Difference]: Finished difference Result 57103 states and 81422 transitions. [2019-09-08 16:20:10,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-08 16:20:10,027 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 457 [2019-09-08 16:20:10,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:20:10,129 INFO L225 Difference]: With dead ends: 57103 [2019-09-08 16:20:10,129 INFO L226 Difference]: Without dead ends: 30848 [2019-09-08 16:20:10,186 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 458 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=693, Unknown=0, NotChecked=0, Total=812 [2019-09-08 16:20:10,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30848 states. [2019-09-08 16:20:11,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30848 to 29435. [2019-09-08 16:20:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29435 states. [2019-09-08 16:20:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29435 states to 29435 states and 41592 transitions. [2019-09-08 16:20:11,347 INFO L78 Accepts]: Start accepts. Automaton has 29435 states and 41592 transitions. Word has length 457 [2019-09-08 16:20:11,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:20:11,348 INFO L475 AbstractCegarLoop]: Abstraction has 29435 states and 41592 transitions. [2019-09-08 16:20:11,348 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 16:20:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29435 states and 41592 transitions. [2019-09-08 16:20:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2019-09-08 16:20:11,372 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:20:11,373 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 14, 8, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:20:11,373 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:20:11,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:20:11,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1850334733, now seen corresponding path program 1 times [2019-09-08 16:20:11,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:20:11,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:20:11,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:20:11,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:20:11,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:20:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:20:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2019-09-08 16:20:12,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:20:12,012 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:20:12,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:20:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:20:12,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 4458 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 16:20:12,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:20:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 135 proven. 62 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2019-09-08 16:20:13,146 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:20:13,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2019-09-08 16:20:13,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 16:20:13,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 16:20:13,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2019-09-08 16:20:13,149 INFO L87 Difference]: Start difference. First operand 29435 states and 41592 transitions. Second operand 15 states. [2019-09-08 16:22:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:22:04,908 INFO L93 Difference]: Finished difference Result 92770 states and 149643 transitions. [2019-09-08 16:22:04,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 16:22:04,909 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 469 [2019-09-08 16:22:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:22:05,302 INFO L225 Difference]: With dead ends: 92770 [2019-09-08 16:22:05,302 INFO L226 Difference]: Without dead ends: 76199 [2019-09-08 16:22:05,371 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=214, Invalid=716, Unknown=0, NotChecked=0, Total=930 [2019-09-08 16:22:05,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76199 states. [2019-09-08 16:22:08,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76199 to 65681. [2019-09-08 16:22:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65681 states. [2019-09-08 16:22:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65681 states to 65681 states and 99641 transitions. [2019-09-08 16:22:08,546 INFO L78 Accepts]: Start accepts. Automaton has 65681 states and 99641 transitions. Word has length 469 [2019-09-08 16:22:08,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:22:08,547 INFO L475 AbstractCegarLoop]: Abstraction has 65681 states and 99641 transitions. [2019-09-08 16:22:08,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 16:22:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 65681 states and 99641 transitions. [2019-09-08 16:22:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2019-09-08 16:22:08,588 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:22:08,589 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 14, 8, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:22:08,589 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:22:08,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:22:08,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1650912866, now seen corresponding path program 1 times [2019-09-08 16:22:08,590 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:22:08,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:22:08,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:22:08,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:22:08,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:22:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:22:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2019-09-08 16:22:41,576 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:22:41,576 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:22:41,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:22:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:22:42,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 4466 conjuncts, 59 conjunts are in the unsatisfiable core [2019-09-08 16:22:42,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:22:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 128 proven. 55 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-09-08 16:22:42,853 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:22:42,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2019-09-08 16:22:42,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 16:22:42,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 16:22:42,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2019-09-08 16:22:42,859 INFO L87 Difference]: Start difference. First operand 65681 states and 99641 transitions. Second operand 16 states. [2019-09-08 16:24:40,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:24:40,841 INFO L93 Difference]: Finished difference Result 343333 states and 816074 transitions. [2019-09-08 16:24:40,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 16:24:40,842 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 470 [2019-09-08 16:24:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:24:43,352 INFO L225 Difference]: With dead ends: 343333 [2019-09-08 16:24:43,352 INFO L226 Difference]: Without dead ends: 291166 [2019-09-08 16:24:43,669 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 484 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=152, Invalid=718, Unknown=0, NotChecked=0, Total=870 [2019-09-08 16:24:43,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291166 states. [2019-09-08 16:25:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291166 to 269438. [2019-09-08 16:25:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269438 states. [2019-09-08 16:25:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269438 states to 269438 states and 652630 transitions. [2019-09-08 16:25:30,929 INFO L78 Accepts]: Start accepts. Automaton has 269438 states and 652630 transitions. Word has length 470 [2019-09-08 16:25:30,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:25:30,930 INFO L475 AbstractCegarLoop]: Abstraction has 269438 states and 652630 transitions. [2019-09-08 16:25:30,930 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 16:25:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 269438 states and 652630 transitions. [2019-09-08 16:25:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-09-08 16:25:38,093 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:25:38,093 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 14, 8, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:25:38,094 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:25:38,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:25:38,094 INFO L82 PathProgramCache]: Analyzing trace with hash 451873002, now seen corresponding path program 1 times [2019-09-08 16:25:38,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:25:38,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:25:38,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:25:38,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:25:38,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:25:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:25:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2019-09-08 16:25:38,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:25:38,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 16:25:38,492 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 16:25:38,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 16:25:38,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:25:38,493 INFO L87 Difference]: Start difference. First operand 269438 states and 652630 transitions. Second operand 4 states. [2019-09-08 16:26:06,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:26:06,044 INFO L93 Difference]: Finished difference Result 525502 states and 1551838 transitions. [2019-09-08 16:26:06,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:26:06,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 471 [2019-09-08 16:26:06,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:26:09,739 INFO L225 Difference]: With dead ends: 525502 [2019-09-08 16:26:09,739 INFO L226 Difference]: Without dead ends: 269600 [2019-09-08 16:26:20,581 INFO L628 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 [2019-09-08 16:26:20,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269600 states. [2019-09-08 16:26:40,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269600 to 269492. [2019-09-08 16:26:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269492 states. [2019-09-08 16:26:44,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269492 states to 269492 states and 652702 transitions. [2019-09-08 16:26:44,788 INFO L78 Accepts]: Start accepts. Automaton has 269492 states and 652702 transitions. Word has length 471 [2019-09-08 16:26:44,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:26:44,789 INFO L475 AbstractCegarLoop]: Abstraction has 269492 states and 652702 transitions. [2019-09-08 16:26:44,789 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 16:26:44,789 INFO L276 IsEmpty]: Start isEmpty. Operand 269492 states and 652702 transitions. [2019-09-08 16:26:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2019-09-08 16:26:44,854 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:26:44,854 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 14, 8, 7, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:26:44,855 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:26:44,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:26:44,855 INFO L82 PathProgramCache]: Analyzing trace with hash -2073592002, now seen corresponding path program 1 times [2019-09-08 16:26:44,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:26:44,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:26:44,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:26:44,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:26:44,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:26:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:26:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2019-09-08 16:26:59,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:26:59,750 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:26:59,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY