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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:53:25,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:53:25,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:53:25,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:53:25,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:53:25,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:53:25,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:53:25,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:53:25,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:53:25,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:53:25,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:53:25,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:53:25,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:53:25,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:53:25,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:53:25,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:53:25,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:53:25,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:53:25,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:53:25,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:53:25,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:53:25,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:53:25,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:53:25,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:53:25,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:53:25,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:53:25,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:53:25,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:53:25,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:53:25,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:53:25,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:53:25,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:53:25,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:53:25,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:53:25,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:53:25,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:53:25,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:53:25,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:53:25,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:53:25,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:53:25,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:53:25,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 00:53:25,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:53:25,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:53:25,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:53:25,487 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:53:25,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:53:25,487 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:53:25,488 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:53:25,488 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:53:25,488 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:53:25,488 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:53:25,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:53:25,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:53:25,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:53:25,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:53:25,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:53:25,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:53:25,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:53:25,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:53:25,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:53:25,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:53:25,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:53:25,492 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:53:25,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:53:25,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:53:25,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:53:25,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:53:25,493 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:53:25,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:53:25,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:53:25,493 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:53:25,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:53:25,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:53:25,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:53:25,541 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:53:25,541 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:53:25,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i [2019-10-03 00:53:25,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c072f3bca/2eb23b7eb962489bb89590cf83218c20/FLAGd695e7f8b [2019-10-03 00:53:26,529 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:53:26,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i [2019-10-03 00:53:26,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c072f3bca/2eb23b7eb962489bb89590cf83218c20/FLAGd695e7f8b [2019-10-03 00:53:26,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c072f3bca/2eb23b7eb962489bb89590cf83218c20 [2019-10-03 00:53:26,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:53:26,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:53:26,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:53:26,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:53:26,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:53:26,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:53:26" (1/1) ... [2019-10-03 00:53:26,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d88f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:26, skipping insertion in model container [2019-10-03 00:53:26,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:53:26" (1/1) ... [2019-10-03 00:53:27,000 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:53:27,178 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:53:29,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:53:30,022 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:53:30,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:53:30,898 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:53:30,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30 WrapperNode [2019-10-03 00:53:30,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:53:30,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:53:30,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:53:30,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:53:30,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (1/1) ... [2019-10-03 00:53:30,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (1/1) ... [2019-10-03 00:53:31,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (1/1) ... [2019-10-03 00:53:31,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (1/1) ... [2019-10-03 00:53:31,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (1/1) ... [2019-10-03 00:53:31,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (1/1) ... [2019-10-03 00:53:31,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (1/1) ... [2019-10-03 00:53:31,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:53:31,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:53:31,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:53:31,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:53:31,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:53:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:53:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:53:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 00:53:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-03 00:53:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-03 00:53:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-03 00:53:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 00:53:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-03 00:53:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-03 00:53:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-03 00:53:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2019-10-03 00:53:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2019-10-03 00:53:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 00:53:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-03 00:53:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-03 00:53:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-03 00:53:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-03 00:53:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_set [2019-10-03 00:53:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 00:53:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 00:53:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 00:53:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 00:53:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_active [2019-10-03 00:53:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-03 00:53:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-03 00:53:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-03 00:53:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-03 00:53:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:53:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:53:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:53:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:53:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:53:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:53:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:53:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:53:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:53:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-03 00:53:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-03 00:53:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 00:53:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2019-10-03 00:53:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-03 00:53:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-03 00:53:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2019-10-03 00:53:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2019-10-03 00:53:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock [2019-10-03 00:53:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2019-10-03 00:53:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock [2019-10-03 00:53:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2019-10-03 00:53:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-03 00:53:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-03 00:53:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-03 00:53:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-03 00:53:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2019-10-03 00:53:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2019-10-03 00:53:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_sset_count [2019-10-03 00:53:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_ethtool_stats [2019-10-03 00:53:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_strings [2019-10-03 00:53:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_check_rx_max [2019-10-03 00:53:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_check_tx_max [2019-10-03 00:53:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_min_tx_pkt [2019-10-03 00:53:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_rx_max [2019-10-03 00:53:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_tx_max [2019-10-03 00:53:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_tx_timer_usecs [2019-10-03 00:53:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_min_tx_pkt [2019-10-03 00:53:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_rx_max [2019-10-03 00:53:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_tx_max [2019-10-03 00:53:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_tx_timer_usecs [2019-10-03 00:53:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_bmNtbFormatsSupported [2019-10-03 00:53:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_dwNtbInMaxSize [2019-10-03 00:53:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInDivisor [2019-10-03 00:53:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInPayloadRemainder [2019-10-03 00:53:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInAlignment [2019-10-03 00:53:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_dwNtbOutMaxSize [2019-10-03 00:53:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutDivisor [2019-10-03 00:53:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutPayloadRemainder [2019-10-03 00:53:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutAlignment [2019-10-03 00:53:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNtbOutMaxDatagrams [2019-10-03 00:53:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_update_rxtx_max [2019-10-03 00:53:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_flags [2019-10-03 00:53:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_eth_hlen [2019-10-03 00:53:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_min_dgram_size [2019-10-03 00:53:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_max_dgram_size [2019-10-03 00:53:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_init [2019-10-03 00:53:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_set_dgram_size [2019-10-03 00:53:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_fix_modulus [2019-10-03 00:53:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_setup [2019-10-03 00:53:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_find_endpoints [2019-10-03 00:53:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_free [2019-10-03 00:53:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_bind_common [2019-10-03 00:53:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2019-10-03 00:53:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_select_altsetting [2019-10-03 00:53:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_bind [2019-10-03 00:53:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_align_tail [2019-10-03 00:53:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_ndp [2019-10-03 00:53:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_fill_tx_frame [2019-10-03 00:53:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_timeout_start [2019-10-03 00:53:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_timer_cb [2019-10-03 00:53:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_txpath_bh [2019-10-03 00:53:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_fixup [2019-10-03 00:53:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_nth16 [2019-10-03 00:53:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_ndp16 [2019-10-03 00:53:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_fixup [2019-10-03 00:53:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_speed_change [2019-10-03 00:53:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_status [2019-10-03 00:53:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_driver_init [2019-10-03 00:53:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_driver_exit [2019-10-03 00:53:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2019-10-03 00:53:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_3 [2019-10-03 00:53:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_19 [2019-10-03 00:53:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_15 [2019-10-03 00:53:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_17 [2019-10-03 00:53:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_4 [2019-10-03 00:53:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-03 00:53:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_18 [2019-10-03 00:53:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_16 [2019-10-03 00:53:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:53:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:53:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:53:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:53:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:53:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:53:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2019-10-03 00:53:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2019-10-03 00:53:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2019-10-03 00:53:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:53:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:53:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:53:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:53:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:53:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:53:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:53:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:53:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:53:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:53:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:53:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:53:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:53:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:53:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:53:31,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:53:31,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:53:31,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-03 00:53:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-03 00:53:31,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-03 00:53:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_disable_ip [2019-10-03 00:53:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_enable_ip [2019-10-03 00:53:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-03 00:53:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-03 00:53:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 00:53:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-03 00:53:31,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 00:53:31,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-03 00:53:31,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-03 00:53:31,559 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-03 00:53:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-03 00:53:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 00:53:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-03 00:53:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_ts_info [2019-10-03 00:53:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2019-10-03 00:53:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_init [2019-10-03 00:53:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_start [2019-10-03 00:53:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-03 00:53:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-03 00:53:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 00:53:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-03 00:53:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2019-10-03 00:53:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-03 00:53:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-03 00:53:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-03 00:53:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-03 00:53:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-03 00:53:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-03 00:53:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-10-03 00:53:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_drvinfo [2019-10-03 00:53:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_ethernet_addr [2019-10-03 00:53:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2019-10-03 00:53:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2019-10-03 00:53:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2019-10-03 00:53:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_link_change [2019-10-03 00:53:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_manage_power [2019-10-03 00:53:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2019-10-03 00:53:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-10-03 00:53:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_read_cmd [2019-10-03 00:53:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-10-03 00:53:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2019-10-03 00:53:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2019-10-03 00:53:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2019-10-03 00:53:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2019-10-03 00:53:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-10-03 00:53:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_unlink_rx_urbs [2019-10-03 00:53:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_update_max_qlen [2019-10-03 00:53:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_write_cmd [2019-10-03 00:53:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-03 00:53:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:53:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:53:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:53:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:53:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:53:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:53:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:53:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 00:53:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-03 00:53:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-03 00:53:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-03 00:53:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 00:53:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:53:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-03 00:53:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-03 00:53:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-03 00:53:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-03 00:53:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-03 00:53:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-03 00:53:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-03 00:53:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:53:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:53:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-03 00:53:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-03 00:53:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:53:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_disable_ip [2019-10-03 00:53:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2019-10-03 00:53:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_enable_ip [2019-10-03 00:53:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2019-10-03 00:53:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 00:53:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-03 00:53:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-03 00:53:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-03 00:53:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-03 00:53:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 00:53:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-03 00:53:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-03 00:53:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-03 00:53:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-03 00:53:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_set [2019-10-03 00:53:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:53:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:53:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-03 00:53:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:53:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:53:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 00:53:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 00:53:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 00:53:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 00:53:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:53:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 00:53:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-03 00:53:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 00:53:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_init [2019-10-03 00:53:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_start [2019-10-03 00:53:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2019-10-03 00:53:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_active [2019-10-03 00:53:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:53:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:53:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:53:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:53:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:53:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2019-10-03 00:53:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-03 00:53:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 00:53:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-03 00:53:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-03 00:53:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-03 00:53:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-03 00:53:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:53:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:53:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:53:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:53:31,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:53:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-03 00:53:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-10-03 00:53:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:53:31,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:53:31,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:53:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:53:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:53:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:53:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:53:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:53:31,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:53:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:53:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:53:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:53:31,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2019-10-03 00:53:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_3 [2019-10-03 00:53:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_19 [2019-10-03 00:53:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_15 [2019-10-03 00:53:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_17 [2019-10-03 00:53:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_4 [2019-10-03 00:53:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-03 00:53:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_18 [2019-10-03 00:53:31,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_16 [2019-10-03 00:53:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_ts_info [2019-10-03 00:53:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-03 00:53:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-03 00:53:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-03 00:53:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-03 00:53:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:53:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 00:53:31,592 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-03 00:53:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2019-10-03 00:53:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-03 00:53:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-03 00:53:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-03 00:53:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2019-10-03 00:53:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2019-10-03 00:53:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock [2019-10-03 00:53:31,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2019-10-03 00:53:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock [2019-10-03 00:53:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2019-10-03 00:53:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-03 00:53:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-03 00:53:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-03 00:53:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-03 00:53:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-03 00:53:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-03 00:53:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-03 00:53:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2019-10-03 00:53:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-03 00:53:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2019-10-03 00:53:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-03 00:53:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2019-10-03 00:53:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-03 00:53:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-03 00:53:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2019-10-03 00:53:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2019-10-03 00:53:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-10-03 00:53:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-10-03 00:53:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-10-03 00:53:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-10-03 00:53:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2019-10-03 00:53:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2019-10-03 00:53:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2019-10-03 00:53:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_ethernet_addr [2019-10-03 00:53:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2019-10-03 00:53:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_unlink_rx_urbs [2019-10-03 00:53:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2019-10-03 00:53:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2019-10-03 00:53:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2019-10-03 00:53:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2019-10-03 00:53:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2019-10-03 00:53:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_drvinfo [2019-10-03 00:53:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2019-10-03 00:53:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_manage_power [2019-10-03 00:53:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_link_change [2019-10-03 00:53:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_update_max_qlen [2019-10-03 00:53:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_select_altsetting [2019-10-03 00:53:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_bind_common [2019-10-03 00:53:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2019-10-03 00:53:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_fill_tx_frame [2019-10-03 00:53:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_nth16 [2019-10-03 00:53:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_ndp16 [2019-10-03 00:53:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_fixup [2019-10-03 00:53:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_fixup [2019-10-03 00:53:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_txpath_bh [2019-10-03 00:53:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_timeout_start [2019-10-03 00:53:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_timer_cb [2019-10-03 00:53:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_sset_count [2019-10-03 00:53:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_ethtool_stats [2019-10-03 00:53:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_strings [2019-10-03 00:53:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:53:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_update_rxtx_max [2019-10-03 00:53:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_check_rx_max [2019-10-03 00:53:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_check_tx_max [2019-10-03 00:53:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_min_tx_pkt [2019-10-03 00:53:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_rx_max [2019-10-03 00:53:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_tx_max [2019-10-03 00:53:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_tx_timer_usecs [2019-10-03 00:53:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_min_tx_pkt [2019-10-03 00:53:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_rx_max [2019-10-03 00:53:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_tx_max [2019-10-03 00:53:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_tx_timer_usecs [2019-10-03 00:53:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_bmNtbFormatsSupported [2019-10-03 00:53:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_dwNtbInMaxSize [2019-10-03 00:53:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInDivisor [2019-10-03 00:53:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInPayloadRemainder [2019-10-03 00:53:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInAlignment [2019-10-03 00:53:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_dwNtbOutMaxSize [2019-10-03 00:53:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutDivisor [2019-10-03 00:53:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutPayloadRemainder [2019-10-03 00:53:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutAlignment [2019-10-03 00:53:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNtbOutMaxDatagrams [2019-10-03 00:53:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_flags [2019-10-03 00:53:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_eth_hlen [2019-10-03 00:53:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_min_dgram_size [2019-10-03 00:53:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_max_dgram_size [2019-10-03 00:53:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_init [2019-10-03 00:53:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_set_dgram_size [2019-10-03 00:53:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_fix_modulus [2019-10-03 00:53:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_setup [2019-10-03 00:53:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_find_endpoints [2019-10-03 00:53:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_free [2019-10-03 00:53:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_bind [2019-10-03 00:53:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_align_tail [2019-10-03 00:53:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:53:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_ndp [2019-10-03 00:53:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_speed_change [2019-10-03 00:53:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_status [2019-10-03 00:53:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_driver_init [2019-10-03 00:53:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_driver_exit [2019-10-03 00:53:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:53:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:53:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:53:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:53:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:53:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:53:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:53:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:53:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:53:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:53:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:53:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:53:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:53:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:53:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:53:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:53:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:53:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:53:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:53:33,261 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:53:48,394 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:53:48,395 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:53:48,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:53:48 BoogieIcfgContainer [2019-10-03 00:53:48,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:53:48,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:53:48,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:53:48,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:53:48,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:53:26" (1/3) ... [2019-10-03 00:53:48,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2298c799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:53:48, skipping insertion in model container [2019-10-03 00:53:48,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:53:30" (2/3) ... [2019-10-03 00:53:48,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2298c799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:53:48, skipping insertion in model container [2019-10-03 00:53:48,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:53:48" (3/3) ... [2019-10-03 00:53:48,407 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i [2019-10-03 00:53:48,418 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:53:48,433 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:53:48,452 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:53:48,480 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:53:48,480 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:53:48,480 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:53:48,480 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:53:48,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:53:48,480 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:53:48,480 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:53:48,480 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:53:48,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states. [2019-10-03 00:53:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-10-03 00:53:48,574 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:48,575 INFO L411 BasicCegarLoop]: trace histogram [47, 47, 47, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:48,578 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:48,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:48,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1293731526, now seen corresponding path program 1 times [2019-10-03 00:53:48,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:48,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:48,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:48,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:48,689 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4348 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4348 trivial. 0 not checked. [2019-10-03 00:53:50,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:50,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:53:50,298 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:50,304 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:53:50,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:53:50,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:50,324 INFO L87 Difference]: Start difference. First operand 1902 states. Second operand 3 states. [2019-10-03 00:53:57,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:53:57,486 INFO L93 Difference]: Finished difference Result 3466 states and 4795 transitions. [2019-10-03 00:53:57,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:53:57,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2019-10-03 00:53:57,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:53:57,551 INFO L225 Difference]: With dead ends: 3466 [2019-10-03 00:53:57,552 INFO L226 Difference]: Without dead ends: 3415 [2019-10-03 00:53:57,554 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:53:57,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2019-10-03 00:53:57,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3415. [2019-10-03 00:53:57,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3415 states. [2019-10-03 00:53:57,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 4702 transitions. [2019-10-03 00:53:57,821 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 4702 transitions. Word has length 353 [2019-10-03 00:53:57,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:53:57,823 INFO L475 AbstractCegarLoop]: Abstraction has 3415 states and 4702 transitions. [2019-10-03 00:53:57,823 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:53:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 4702 transitions. [2019-10-03 00:53:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-10-03 00:53:57,839 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:53:57,839 INFO L411 BasicCegarLoop]: trace histogram [48, 48, 48, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:53:57,840 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:53:57,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:53:57,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1893819939, now seen corresponding path program 1 times [2019-10-03 00:53:57,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:53:57,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:57,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:53:57,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:53:57,856 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:53:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:53:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4536 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2019-10-03 00:53:58,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:53:58,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:53:58,792 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:53:58,797 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:53:58,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:53:58,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:53:58,798 INFO L87 Difference]: Start difference. First operand 3415 states and 4702 transitions. Second operand 6 states. [2019-10-03 00:54:04,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:04,507 INFO L93 Difference]: Finished difference Result 6716 states and 9257 transitions. [2019-10-03 00:54:04,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:54:04,508 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 368 [2019-10-03 00:54:04,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:04,548 INFO L225 Difference]: With dead ends: 6716 [2019-10-03 00:54:04,548 INFO L226 Difference]: Without dead ends: 6695 [2019-10-03 00:54:04,549 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 00:54:04,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6695 states. [2019-10-03 00:54:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6695 to 6695. [2019-10-03 00:54:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6695 states. [2019-10-03 00:54:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 9235 transitions. [2019-10-03 00:54:04,800 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 9235 transitions. Word has length 368 [2019-10-03 00:54:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:04,802 INFO L475 AbstractCegarLoop]: Abstraction has 6695 states and 9235 transitions. [2019-10-03 00:54:04,802 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:54:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 9235 transitions. [2019-10-03 00:54:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-10-03 00:54:04,824 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:04,825 INFO L411 BasicCegarLoop]: trace histogram [49, 49, 49, 4, 4, 4, 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] [2019-10-03 00:54:04,825 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:04,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:04,826 INFO L82 PathProgramCache]: Analyzing trace with hash -629178373, now seen corresponding path program 1 times [2019-10-03 00:54:04,826 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:04,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:04,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:04,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:04,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4733 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-10-03 00:54:05,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:54:05,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:54:05,801 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:05,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:54:05,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:54:05,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:05,804 INFO L87 Difference]: Start difference. First operand 6695 states and 9235 transitions. Second operand 3 states. [2019-10-03 00:54:08,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:08,581 INFO L93 Difference]: Finished difference Result 13079 states and 17982 transitions. [2019-10-03 00:54:08,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:54:08,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2019-10-03 00:54:08,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:08,830 INFO L225 Difference]: With dead ends: 13079 [2019-10-03 00:54:08,830 INFO L226 Difference]: Without dead ends: 13079 [2019-10-03 00:54:08,832 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:08,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13079 states. [2019-10-03 00:54:09,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13079 to 13053. [2019-10-03 00:54:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13053 states. [2019-10-03 00:54:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13053 states to 13053 states and 17957 transitions. [2019-10-03 00:54:09,347 INFO L78 Accepts]: Start accepts. Automaton has 13053 states and 17957 transitions. Word has length 438 [2019-10-03 00:54:09,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:09,352 INFO L475 AbstractCegarLoop]: Abstraction has 13053 states and 17957 transitions. [2019-10-03 00:54:09,352 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:54:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 13053 states and 17957 transitions. [2019-10-03 00:54:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-10-03 00:54:09,380 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:09,380 INFO L411 BasicCegarLoop]: trace histogram [49, 49, 49, 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] [2019-10-03 00:54:09,381 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:09,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:09,382 INFO L82 PathProgramCache]: Analyzing trace with hash -157324686, now seen corresponding path program 1 times [2019-10-03 00:54:09,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:09,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:09,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:09,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:09,402 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4736 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-10-03 00:54:10,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:54:10,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:54:10,276 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:10,278 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:54:10,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:54:10,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:10,279 INFO L87 Difference]: Start difference. First operand 13053 states and 17957 transitions. Second operand 3 states. [2019-10-03 00:54:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:12,196 INFO L93 Difference]: Finished difference Result 25525 states and 35012 transitions. [2019-10-03 00:54:12,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:54:12,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 445 [2019-10-03 00:54:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:12,382 INFO L225 Difference]: With dead ends: 25525 [2019-10-03 00:54:12,382 INFO L226 Difference]: Without dead ends: 25525 [2019-10-03 00:54:12,383 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:12,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25525 states. [2019-10-03 00:54:13,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25525 to 25497. [2019-10-03 00:54:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25497 states. [2019-10-03 00:54:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25497 states to 25497 states and 34985 transitions. [2019-10-03 00:54:13,323 INFO L78 Accepts]: Start accepts. Automaton has 25497 states and 34985 transitions. Word has length 445 [2019-10-03 00:54:13,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:13,324 INFO L475 AbstractCegarLoop]: Abstraction has 25497 states and 34985 transitions. [2019-10-03 00:54:13,324 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:54:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 25497 states and 34985 transitions. [2019-10-03 00:54:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-10-03 00:54:13,346 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:13,346 INFO L411 BasicCegarLoop]: trace histogram [49, 49, 49, 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] [2019-10-03 00:54:13,347 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:13,348 INFO L82 PathProgramCache]: Analyzing trace with hash -554759057, now seen corresponding path program 1 times [2019-10-03 00:54:13,348 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:13,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:13,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:13,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:13,366 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4736 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-10-03 00:54:14,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:54:14,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:54:14,058 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:14,060 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:54:14,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:54:14,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:14,060 INFO L87 Difference]: Start difference. First operand 25497 states and 34985 transitions. Second operand 3 states. [2019-10-03 00:54:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:15,800 INFO L93 Difference]: Finished difference Result 46897 states and 64094 transitions. [2019-10-03 00:54:15,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:54:15,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2019-10-03 00:54:15,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:16,002 INFO L225 Difference]: With dead ends: 46897 [2019-10-03 00:54:16,002 INFO L226 Difference]: Without dead ends: 46897 [2019-10-03 00:54:16,002 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:16,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46897 states. [2019-10-03 00:54:18,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46897 to 46865. [2019-10-03 00:54:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46865 states. [2019-10-03 00:54:18,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46865 states to 46865 states and 64063 transitions. [2019-10-03 00:54:18,534 INFO L78 Accepts]: Start accepts. Automaton has 46865 states and 64063 transitions. Word has length 451 [2019-10-03 00:54:18,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:18,536 INFO L475 AbstractCegarLoop]: Abstraction has 46865 states and 64063 transitions. [2019-10-03 00:54:18,536 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:54:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 46865 states and 64063 transitions. [2019-10-03 00:54:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2019-10-03 00:54:18,624 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:18,625 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 68, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:54:18,626 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:18,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:18,627 INFO L82 PathProgramCache]: Analyzing trace with hash -197771299, now seen corresponding path program 1 times [2019-10-03 00:54:18,627 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:18,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:18,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:18,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:18,643 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 9156 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-10-03 00:54:19,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:54:19,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:54:19,900 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:19,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:54:19,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:54:19,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:19,902 INFO L87 Difference]: Start difference. First operand 46865 states and 64063 transitions. Second operand 3 states. [2019-10-03 00:54:23,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:23,873 INFO L93 Difference]: Finished difference Result 70141 states and 95696 transitions. [2019-10-03 00:54:23,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:54:23,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 617 [2019-10-03 00:54:23,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:24,219 INFO L225 Difference]: With dead ends: 70141 [2019-10-03 00:54:24,220 INFO L226 Difference]: Without dead ends: 70141 [2019-10-03 00:54:24,220 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:24,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70141 states. [2019-10-03 00:54:27,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70141 to 70115. [2019-10-03 00:54:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70115 states. [2019-10-03 00:54:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70115 states to 70115 states and 95671 transitions. [2019-10-03 00:54:28,046 INFO L78 Accepts]: Start accepts. Automaton has 70115 states and 95671 transitions. Word has length 617 [2019-10-03 00:54:28,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:28,047 INFO L475 AbstractCegarLoop]: Abstraction has 70115 states and 95671 transitions. [2019-10-03 00:54:28,047 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:54:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 70115 states and 95671 transitions. [2019-10-03 00:54:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2019-10-03 00:54:28,139 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:28,140 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 68, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:54:28,140 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:28,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:28,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1739361160, now seen corresponding path program 1 times [2019-10-03 00:54:28,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:28,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:28,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:28,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:28,157 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-10-03 00:54:29,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:54:29,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:54:29,082 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:29,083 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:54:29,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:54:29,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:29,085 INFO L87 Difference]: Start difference. First operand 70115 states and 95671 transitions. Second operand 3 states. [2019-10-03 00:54:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:32,994 INFO L93 Difference]: Finished difference Result 104125 states and 141794 transitions. [2019-10-03 00:54:32,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:54:32,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 624 [2019-10-03 00:54:32,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:33,845 INFO L225 Difference]: With dead ends: 104125 [2019-10-03 00:54:33,846 INFO L226 Difference]: Without dead ends: 104125 [2019-10-03 00:54:33,846 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:33,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104125 states. [2019-10-03 00:54:35,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104125 to 104095. [2019-10-03 00:54:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104095 states. [2019-10-03 00:54:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104095 states to 104095 states and 141765 transitions. [2019-10-03 00:54:39,108 INFO L78 Accepts]: Start accepts. Automaton has 104095 states and 141765 transitions. Word has length 624 [2019-10-03 00:54:39,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:39,109 INFO L475 AbstractCegarLoop]: Abstraction has 104095 states and 141765 transitions. [2019-10-03 00:54:39,109 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:54:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 104095 states and 141765 transitions. [2019-10-03 00:54:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2019-10-03 00:54:39,177 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:39,177 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 68, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:54:39,178 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:39,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:39,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1863424405, now seen corresponding path program 1 times [2019-10-03 00:54:39,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:39,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:39,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:39,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:39,194 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-10-03 00:54:40,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:54:40,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:54:40,292 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:40,294 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:54:40,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:54:40,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:40,295 INFO L87 Difference]: Start difference. First operand 104095 states and 141765 transitions. Second operand 3 states. [2019-10-03 00:54:44,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:44,383 INFO L93 Difference]: Finished difference Result 153317 states and 208342 transitions. [2019-10-03 00:54:44,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:54:44,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 630 [2019-10-03 00:54:44,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:45,437 INFO L225 Difference]: With dead ends: 153317 [2019-10-03 00:54:45,437 INFO L226 Difference]: Without dead ends: 153317 [2019-10-03 00:54:45,438 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:54:45,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153317 states. [2019-10-03 00:54:47,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153317 to 153275. [2019-10-03 00:54:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153275 states. [2019-10-03 00:54:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153275 states to 153275 states and 208301 transitions. [2019-10-03 00:54:48,189 INFO L78 Accepts]: Start accepts. Automaton has 153275 states and 208301 transitions. Word has length 630 [2019-10-03 00:54:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:48,190 INFO L475 AbstractCegarLoop]: Abstraction has 153275 states and 208301 transitions. [2019-10-03 00:54:48,190 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:54:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 153275 states and 208301 transitions. [2019-10-03 00:54:48,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2019-10-03 00:54:48,238 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:48,239 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 68, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:54:48,239 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:48,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:48,240 INFO L82 PathProgramCache]: Analyzing trace with hash -889795481, now seen corresponding path program 1 times [2019-10-03 00:54:48,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:48,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:48,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:48,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:48,252 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:49,231 INFO L134 CoverageAnalysis]: Checked inductivity of 9156 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 9007 trivial. 0 not checked. [2019-10-03 00:54:49,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:54:49,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:54:49,232 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:49,233 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:54:49,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:54:49,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:54:49,233 INFO L87 Difference]: Start difference. First operand 153275 states and 208301 transitions. Second operand 5 states. [2019-10-03 00:54:50,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:50,418 INFO L93 Difference]: Finished difference Result 153907 states and 209280 transitions. [2019-10-03 00:54:50,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:54:50,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 617 [2019-10-03 00:54:50,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:51,020 INFO L225 Difference]: With dead ends: 153907 [2019-10-03 00:54:51,021 INFO L226 Difference]: Without dead ends: 153907 [2019-10-03 00:54:51,021 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:54:51,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153907 states. [2019-10-03 00:54:56,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153907 to 153795. [2019-10-03 00:54:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153795 states. [2019-10-03 00:54:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153795 states to 153795 states and 209119 transitions. [2019-10-03 00:54:56,638 INFO L78 Accepts]: Start accepts. Automaton has 153795 states and 209119 transitions. Word has length 617 [2019-10-03 00:54:56,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:56,639 INFO L475 AbstractCegarLoop]: Abstraction has 153795 states and 209119 transitions. [2019-10-03 00:54:56,639 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:54:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 153795 states and 209119 transitions. [2019-10-03 00:54:56,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2019-10-03 00:54:56,685 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:54:56,686 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 67, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:54:56,686 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:54:56,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:56,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1741673964, now seen corresponding path program 1 times [2019-10-03 00:54:56,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:54:56,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:56,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:54:56,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:54:56,698 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:54:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:54:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9156 backedges. 148 proven. 6 refuted. 0 times theorem prover too weak. 9002 trivial. 0 not checked. [2019-10-03 00:54:58,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:54:58,175 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:54:58,176 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 624 with the following transitions: [2019-10-03 00:54:58,179 INFO L207 CegarAbsIntRunner]: [99], [100], [193], [194], [198], [204], [205], [216], [221], [224], [226], [235], [479], [481], [482], [488], [490], [494], [496], [497], [626], [641], [643], [645], [646], [788], [790], [791], [798], [804], [805], [876], [877], [1093], [1094], [1235], [1237], [1242], [1245], [1246], [1248], [1249], [1309], [1310], [1311], [1418], [1420], [1422], [1424], [1425], [1426], [1428], [1430], [1432], [1433], [1442], [1444], [1446], [1448], [1449], [1485], [1487], [1489], [1490], [1495], [1497], [1499], [1500], [1664], [1666], [1667], [1668], [1670], [1672], [1673], [1674], [1676], [1678], [1679], [1874], [1876], [1877], [1885], [2237], [2239], [2241], [2243], [2245], [2247], [2249], [2251], [2253], [2255], [2257], [2259], [2261], [2263], [2265], [2267], [2269], [2271], [2273], [2275], [2277], [2279], [2281], [2283], [2285], [2287], [2289], [2291], [2293], [2295], [2297], [2299], [2301], [2303], [2305], [2307], [2309], [2311], [2313], [2315], [2317], [2319], [2321], [2323], [2325], [2327], [2329], [2331], [2334], [2336], [2338], [2340], [2342], [2375], [2408], [2454], [2457], [2460], [2463], [2466], [2468], [2478], [2590], [2707], [2753], [2756], [2759], [2762], [2765], [2767], [2771], [2774], [2777], [2779], [2784], [2787], [2789], [2791], [2793], [2795], [2797], [2799], [2801], [2803], [3661], [3670], [3675], [3687], [3691], [3705], [3706], [3733], [3734], [3869], [3871], [3873], [3874], [3971], [3973], [3978], [3999], [4002], [4006], [4009], [4011], [4014], [4021], [4165], [4171], [4173], [4174], [4175], [4177], [4204], [4205], [4206], [4207], [4208], [4209], [4238], [4239], [4242], [4243], [4244], [4245], [4284], [4285], [4286], [4287], [4298], [4299], [4392], [4393], [4394], [4395], [4402], [4403], [4430], [4431], [4432], [4433], [4434], [4435], [4436], [4437], [4438], [4439], [4440], [4441], [4444], [4445], [4446], [4447], [4448], [4449], [4456], [4457], [4458], [4459], [4464], [4465], [4466], [4467], [4478], [4479], [4480], [4481], [4482], [4483], [4484], [4485], [4486], [4487], [4524], [4525], [4528], [4529], [4598], [4599], [4600], [4601], [4602], [4603], [4604], [4605], [4606], [4607], [4608], [4609], [4610], [4611], [4612], [4613], [4614], [4615], [4616], [4617], [4618], [4619], [4620], [4621], [4622], [4623], [4624], [4625], [4626], [4627], [4628], [4629], [4630], [4631], [4632], [4633], [4634], [4635], [4636], [4637], [4638], [4639], [4640], [4641], [4642], [4643], [4644], [4645], [4646], [4647], [4648], [4649], [4650], [4651], [4652], [4653], [4654], [4655], [4656], [4657], [4658], [4659], [4660], [4661], [4662], [4663], [4664], [4665], [4666], [4667], [4668], [4669], [4670], [4671], [4672], [4673], [4674], [4675], [4676], [4677], [4678], [4679], [4680], [4681], [4682], [4683], [4684], [4685], [4686], [4687], [4688], [4689], [4690], [4691], [4692], [4693], [4694], [4695], [4696], [4697], [4698], [4699], [4700], [4701], [4716], [4717], [4758], [4759], [4760], [4761], [4762], [4763], [4764], [4765], [4766], [4767], [4768], [4769], [4770], [4771], [4772], [4773], [4774], [4775], [4776], [4777], [4894], [4948], [4949], [4950], [4951], [4986], [4987], [4988], [4996], [4997], [4998], [5000], [5001], [5032], [5033] [2019-10-03 00:54:58,252 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:54:58,253 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:54:59,260 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:54:59,262 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 662 root evaluator evaluations with a maximum evaluation depth of 0. Performed 662 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1280 variables. [2019-10-03 00:54:59,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:54:59,266 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:54:59,527 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:54:59,527 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:54:59,546 INFO L420 sIntCurrentIteration]: We unified 622 AI predicates to 622 [2019-10-03 00:54:59,546 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:54:59,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:54:59,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2019-10-03 00:54:59,548 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:54:59,549 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:54:59,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:54:59,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:54:59,550 INFO L87 Difference]: Start difference. First operand 153795 states and 209119 transitions. Second operand 2 states. [2019-10-03 00:54:59,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:54:59,551 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:54:59,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:54:59,551 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 623 [2019-10-03 00:54:59,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:54:59,552 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:54:59,552 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:54:59,552 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 622 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:54:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:54:59,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:54:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:54:59,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:54:59,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 623 [2019-10-03 00:54:59,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:54:59,554 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:54:59,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:54:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:54:59,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:54:59,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:54:59 BoogieIcfgContainer [2019-10-03 00:54:59,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:54:59,566 INFO L168 Benchmark]: Toolchain (without parser) took 92584.17 ms. Allocated memory was 137.9 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 72.5 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 958.6 MB. Max. memory is 7.1 GB. [2019-10-03 00:54:59,566 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 00:54:59,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3918.02 ms. Allocated memory was 137.9 MB in the beginning and 276.8 MB in the end (delta: 138.9 MB). Free memory was 72.0 MB in the beginning and 78.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 132.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:54:59,569 INFO L168 Benchmark]: Boogie Preprocessor took 523.56 ms. Allocated memory was 276.8 MB in the beginning and 285.2 MB in the end (delta: 8.4 MB). Free memory was 78.7 MB in the beginning and 191.7 MB in the end (delta: -113.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2019-10-03 00:54:59,570 INFO L168 Benchmark]: RCFGBuilder took 16972.72 ms. Allocated memory was 285.2 MB in the beginning and 846.7 MB in the end (delta: 561.5 MB). Free memory was 191.7 MB in the beginning and 272.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 674.1 MB. Max. memory is 7.1 GB. [2019-10-03 00:54:59,573 INFO L168 Benchmark]: TraceAbstraction took 71161.72 ms. Allocated memory was 846.7 MB in the beginning and 2.7 GB in the end (delta: 1.8 GB). Free memory was 272.5 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 449.8 MB. Max. memory is 7.1 GB. [2019-10-03 00:54:59,582 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 103.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3918.02 ms. Allocated memory was 137.9 MB in the beginning and 276.8 MB in the end (delta: 138.9 MB). Free memory was 72.0 MB in the beginning and 78.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 132.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 523.56 ms. Allocated memory was 276.8 MB in the beginning and 285.2 MB in the end (delta: 8.4 MB). Free memory was 78.7 MB in the beginning and 191.7 MB in the end (delta: -113.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16972.72 ms. Allocated memory was 285.2 MB in the beginning and 846.7 MB in the end (delta: 561.5 MB). Free memory was 191.7 MB in the beginning and 272.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 674.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 71161.72 ms. Allocated memory was 846.7 MB in the beginning and 2.7 GB in the end (delta: 1.8 GB). Free memory was 272.5 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 449.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5885]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 198 procedures, 2011 locations, 1 error locations. SAFE Result, 71.0s OverallTime, 10 OverallIterations, 68 TraceHistogramMax, 36.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 28958 SDtfs, 18695 SDslu, 34331 SDs, 0 SdLazy, 1018 SolverSat, 75 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 26.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153795occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.5241157556270095 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 21.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 296 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 5166 NumberOfCodeBlocks, 5166 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 5156 ConstructedInterpolants, 0 QuantifiedInterpolants, 3119956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 68875/68881 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...