java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 07:07:15,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 07:07:15,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 07:07:15,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 07:07:15,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 07:07:15,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 07:07:15,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 07:07:15,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 07:07:15,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 07:07:15,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 07:07:15,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 07:07:15,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 07:07:15,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 07:07:15,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 07:07:15,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 07:07:15,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 07:07:15,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 07:07:15,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 07:07:15,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 07:07:15,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 07:07:15,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 07:07:15,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 07:07:15,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 07:07:15,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 07:07:15,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 07:07:15,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 07:07:15,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 07:07:15,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 07:07:15,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 07:07:15,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 07:07:15,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 07:07:15,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 07:07:15,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 07:07:15,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 07:07:15,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 07:07:15,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 07:07:15,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 07:07:15,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 07:07:15,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 07:07:15,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 07:07:15,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 07:07:15,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 07:07:15,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 07:07:15,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 07:07:15,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 07:07:15,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 07:07:15,465 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 07:07:15,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 07:07:15,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 07:07:15,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 07:07:15,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 07:07:15,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 07:07:15,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 07:07:15,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 07:07:15,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 07:07:15,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 07:07:15,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 07:07:15,467 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 07:07:15,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 07:07:15,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 07:07:15,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 07:07:15,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 07:07:15,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 07:07:15,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 07:07:15,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 07:07:15,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 07:07:15,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 07:07:15,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 07:07:15,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 07:07:15,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 07:07:15,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 07:07:15,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 07:07:15,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 07:07:15,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 07:07:15,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 07:07:15,515 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 07:07:15,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i [2019-10-02 07:07:15,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8680448a/6eb581fe7caf44078004cdd6878c2227/FLAG35307d954 [2019-10-02 07:07:16,464 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 07:07:16,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_ncm.ko-entry_point.cil.out.i [2019-10-02 07:07:16,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8680448a/6eb581fe7caf44078004cdd6878c2227/FLAG35307d954 [2019-10-02 07:07:16,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8680448a/6eb581fe7caf44078004cdd6878c2227 [2019-10-02 07:07:16,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 07:07:16,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 07:07:16,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 07:07:16,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 07:07:16,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 07:07:16,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:07:16" (1/1) ... [2019-10-02 07:07:16,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37dc3bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:16, skipping insertion in model container [2019-10-02 07:07:16,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 07:07:16" (1/1) ... [2019-10-02 07:07:16,898 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 07:07:17,101 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 07:07:19,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 07:07:19,630 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 07:07:20,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 07:07:20,470 INFO L192 MainTranslator]: Completed translation [2019-10-02 07:07:20,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20 WrapperNode [2019-10-02 07:07:20,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 07:07:20,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 07:07:20,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 07:07:20,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 07:07:20,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (1/1) ... [2019-10-02 07:07:20,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (1/1) ... [2019-10-02 07:07:20,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (1/1) ... [2019-10-02 07:07:20,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (1/1) ... [2019-10-02 07:07:20,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (1/1) ... [2019-10-02 07:07:20,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (1/1) ... [2019-10-02 07:07:20,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (1/1) ... [2019-10-02 07:07:20,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 07:07:20,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 07:07:20,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 07:07:20,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 07:07:20,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 07:07:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 07:07:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 07:07:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 07:07:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-02 07:07:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-02 07:07:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 07:07:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 07:07:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-02 07:07:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-02 07:07:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-02 07:07:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2019-10-02 07:07:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2019-10-02 07:07:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 07:07:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 07:07:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-02 07:07:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 07:07:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-02 07:07:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_set [2019-10-02 07:07:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 07:07:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 07:07:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 07:07:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 07:07:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_active [2019-10-02 07:07:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2019-10-02 07:07:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2019-10-02 07:07:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2019-10-02 07:07:21,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2019-10-02 07:07:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 07:07:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 07:07:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 07:07:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 07:07:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 07:07:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 07:07:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 07:07:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 07:07:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 07:07:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-02 07:07:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-02 07:07:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-02 07:07:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2019-10-02 07:07:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-02 07:07:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-10-02 07:07:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2019-10-02 07:07:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2019-10-02 07:07:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock [2019-10-02 07:07:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2019-10-02 07:07:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock [2019-10-02 07:07:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2019-10-02 07:07:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-02 07:07:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-02 07:07:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-02 07:07:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 07:07:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2019-10-02 07:07:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2019-10-02 07:07:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_sset_count [2019-10-02 07:07:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_ethtool_stats [2019-10-02 07:07:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_get_strings [2019-10-02 07:07:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_check_rx_max [2019-10-02 07:07:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_check_tx_max [2019-10-02 07:07:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_min_tx_pkt [2019-10-02 07:07:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_rx_max [2019-10-02 07:07:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_tx_max [2019-10-02 07:07:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_tx_timer_usecs [2019-10-02 07:07:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_min_tx_pkt [2019-10-02 07:07:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_rx_max [2019-10-02 07:07:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_tx_max [2019-10-02 07:07:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_store_tx_timer_usecs [2019-10-02 07:07:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_bmNtbFormatsSupported [2019-10-02 07:07:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_dwNtbInMaxSize [2019-10-02 07:07:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInDivisor [2019-10-02 07:07:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInPayloadRemainder [2019-10-02 07:07:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpInAlignment [2019-10-02 07:07:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_dwNtbOutMaxSize [2019-10-02 07:07:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutDivisor [2019-10-02 07:07:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutPayloadRemainder [2019-10-02 07:07:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNdpOutAlignment [2019-10-02 07:07:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_show_wNtbOutMaxDatagrams [2019-10-02 07:07:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_update_rxtx_max [2019-10-02 07:07:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_flags [2019-10-02 07:07:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_eth_hlen [2019-10-02 07:07:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_min_dgram_size [2019-10-02 07:07:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_max_dgram_size [2019-10-02 07:07:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_init [2019-10-02 07:07:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_set_dgram_size [2019-10-02 07:07:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_fix_modulus [2019-10-02 07:07:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_setup [2019-10-02 07:07:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_find_endpoints [2019-10-02 07:07:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_free [2019-10-02 07:07:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_bind_common [2019-10-02 07:07:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_unbind [2019-10-02 07:07:21,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_select_altsetting [2019-10-02 07:07:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_bind [2019-10-02 07:07:21,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_align_tail [2019-10-02 07:07:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_ndp [2019-10-02 07:07:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_fill_tx_frame [2019-10-02 07:07:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_timeout_start [2019-10-02 07:07:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_timer_cb [2019-10-02 07:07:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_txpath_bh [2019-10-02 07:07:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_tx_fixup [2019-10-02 07:07:21,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_nth16 [2019-10-02 07:07:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_verify_ndp16 [2019-10-02 07:07:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_rx_fixup [2019-10-02 07:07:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_speed_change [2019-10-02 07:07:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_status [2019-10-02 07:07:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_driver_init [2019-10-02 07:07:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_ncm_driver_exit [2019-10-02 07:07:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2019-10-02 07:07:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_3 [2019-10-02 07:07:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_19 [2019-10-02 07:07:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_15 [2019-10-02 07:07:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_17 [2019-10-02 07:07:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_4 [2019-10-02 07:07:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-02 07:07:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_18 [2019-10-02 07:07:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_16 [2019-10-02 07:07:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 07:07:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-02 07:07:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-02 07:07:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-02 07:07:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-02 07:07:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-02 07:07:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2019-10-02 07:07:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2019-10-02 07:07:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2019-10-02 07:07:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-02 07:07:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-02 07:07:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-02 07:07:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-02 07:07:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-02 07:07:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 07:07:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 07:07:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 07:07:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 07:07:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-02 07:07:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 07:07:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-02 07:07:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-02 07:07:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-02 07:07:21,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-02 07:07:21,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-02 07:07:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 07:07:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-10-02 07:07:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 07:07:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-02 07:07:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_disable_ip [2019-10-02 07:07:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __local_bh_enable_ip [2019-10-02 07:07:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-10-02 07:07:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-02 07:07:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 07:07:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-02 07:07:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 07:07:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 07:07:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-02 07:07:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 07:07:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-02 07:07:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 07:07:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-02 07:07:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_ts_info [2019-10-02 07:07:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2019-10-02 07:07:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_init [2019-10-02 07:07:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_start [2019-10-02 07:07:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-02 07:07:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2019-10-02 07:07:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-02 07:07:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-02 07:07:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2019-10-02 07:07:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 07:07:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-02 07:07:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-02 07:07:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-02 07:07:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 07:07:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-02 07:07:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-10-02 07:07:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_drvinfo [2019-10-02 07:07:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_ethernet_addr [2019-10-02 07:07:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2019-10-02 07:07:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2019-10-02 07:07:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2019-10-02 07:07:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_link_change [2019-10-02 07:07:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_manage_power [2019-10-02 07:07:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2019-10-02 07:07:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2019-10-02 07:07:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_read_cmd [2019-10-02 07:07:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2019-10-02 07:07:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2019-10-02 07:07:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2019-10-02 07:07:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2019-10-02 07:07:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2019-10-02 07:07:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2019-10-02 07:07:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_unlink_rx_urbs [2019-10-02 07:07:21,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_update_max_qlen [2019-10-02 07:07:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_write_cmd [2019-10-02 07:07:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 07:07:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 07:07:21,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 07:07:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 07:07:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 07:07:21,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 07:07:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 07:07:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 07:07:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 07:07:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-02 07:07:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-02 07:07:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 07:07:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 07:07:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 07:07:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 07:07:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-02 07:07:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-02 07:07:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-02 07:07:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 07:07:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 07:07:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 07:07:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 07:07:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 07:07:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-02 07:07:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-02 07:07:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 07:07:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_disable_ip [2019-10-02 07:07:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2019-10-02 07:07:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure __local_bh_enable_ip [2019-10-02 07:07:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2019-10-02 07:07:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 07:07:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 07:07:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-02 07:07:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 07:07:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-02 07:07:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 07:07:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 07:07:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-02 07:07:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 07:07:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-02 07:07:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_set [2019-10-02 07:07:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 07:07:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 07:07:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2019-10-02 07:07:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 07:07:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 07:07:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 07:07:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 07:07:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 07:07:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 07:07:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 07:07:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 07:07:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-02 07:07:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 07:07:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_init [2019-10-02 07:07:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_start [2019-10-02 07:07:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2019-10-02 07:07:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_active [2019-10-02 07:07:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-02 07:07:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-02 07:07:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-02 07:07:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-02 07:07:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-02 07:07:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2019-10-02 07:07:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2019-10-02 07:07:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-02 07:07:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2019-10-02 07:07:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-10-02 07:07:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2019-10-02 07:07:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2019-10-02 07:07:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-02 07:07:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-02 07:07:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 07:07:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 07:07:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 07:07:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-02 07:07:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-10-02 07:07:21,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 07:07:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 07:07:21,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 07:07:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 07:07:21,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 07:07:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 07:07:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 07:07:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 07:07:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 07:07:21,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 07:07:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 07:07:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 07:07:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2019-10-02 07:07:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_3 [2019-10-02 07:07:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_19 [2019-10-02 07:07:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_15 [2019-10-02 07:07:21,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_17 [2019-10-02 07:07:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_4 [2019-10-02 07:07:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-02 07:07:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_18 [2019-10-02 07:07:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_16 [2019-10-02 07:07:21,168 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_ts_info [2019-10-02 07:07:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-02 07:07:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-02 07:07:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-02 07:07:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-02 07:07:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 07:07:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-02 07:07:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-02 07:07:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2019-10-02 07:07:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-02 07:07:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-10-02 07:07:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-10-02 07:07:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2019-10-02 07:07:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2019-10-02 07:07:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock [2019-10-02 07:07:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2019-10-02 07:07:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock [2019-10-02 07:07:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2019-10-02 07:07:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2019-10-02 07:07:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-02 07:07:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-02 07:07:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-02 07:07:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-02 07:07:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-02 07:07:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-02 07:07:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2019-10-02 07:07:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 07:07:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2019-10-02 07:07:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 07:07:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2019-10-02 07:07:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-02 07:07:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 07:07:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2019-10-02 07:07:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2019-10-02 07:07:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2019-10-02 07:07:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2019-10-02 07:07:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2019-10-02 07:07:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-10-02 07:07:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2019-10-02 07:07:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2019-10-02 07:07:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2019-10-02 07:07:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_ethernet_addr [2019-10-02 07:07:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2019-10-02 07:07:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_unlink_rx_urbs [2019-10-02 07:07:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2019-10-02 07:07:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2019-10-02 07:07:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2019-10-02 07:07:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2019-10-02 07:07:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2019-10-02 07:07:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_drvinfo [2019-10-02 07:07:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2019-10-02 07:07:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_manage_power [2019-10-02 07:07:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_link_change [2019-10-02 07:07:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_update_max_qlen [2019-10-02 07:07:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_select_altsetting [2019-10-02 07:07:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_bind_common [2019-10-02 07:07:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_unbind [2019-10-02 07:07:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_fill_tx_frame [2019-10-02 07:07:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_nth16 [2019-10-02 07:07:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_verify_ndp16 [2019-10-02 07:07:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_fixup [2019-10-02 07:07:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_rx_fixup [2019-10-02 07:07:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_txpath_bh [2019-10-02 07:07:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_timeout_start [2019-10-02 07:07:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_tx_timer_cb [2019-10-02 07:07:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_sset_count [2019-10-02 07:07:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_ethtool_stats [2019-10-02 07:07:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_get_strings [2019-10-02 07:07:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 07:07:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_update_rxtx_max [2019-10-02 07:07:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_check_rx_max [2019-10-02 07:07:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_check_tx_max [2019-10-02 07:07:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_min_tx_pkt [2019-10-02 07:07:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_rx_max [2019-10-02 07:07:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_tx_max [2019-10-02 07:07:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_tx_timer_usecs [2019-10-02 07:07:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_min_tx_pkt [2019-10-02 07:07:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_rx_max [2019-10-02 07:07:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_tx_max [2019-10-02 07:07:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_store_tx_timer_usecs [2019-10-02 07:07:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_bmNtbFormatsSupported [2019-10-02 07:07:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_dwNtbInMaxSize [2019-10-02 07:07:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInDivisor [2019-10-02 07:07:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInPayloadRemainder [2019-10-02 07:07:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpInAlignment [2019-10-02 07:07:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_dwNtbOutMaxSize [2019-10-02 07:07:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutDivisor [2019-10-02 07:07:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutPayloadRemainder [2019-10-02 07:07:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNdpOutAlignment [2019-10-02 07:07:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_show_wNtbOutMaxDatagrams [2019-10-02 07:07:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_flags [2019-10-02 07:07:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_eth_hlen [2019-10-02 07:07:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_min_dgram_size [2019-10-02 07:07:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_max_dgram_size [2019-10-02 07:07:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_init [2019-10-02 07:07:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_set_dgram_size [2019-10-02 07:07:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_fix_modulus [2019-10-02 07:07:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_setup [2019-10-02 07:07:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_find_endpoints [2019-10-02 07:07:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_free [2019-10-02 07:07:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_bind [2019-10-02 07:07:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_align_tail [2019-10-02 07:07:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 07:07:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_ndp [2019-10-02 07:07:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_speed_change [2019-10-02 07:07:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_status [2019-10-02 07:07:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_driver_init [2019-10-02 07:07:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_ncm_driver_exit [2019-10-02 07:07:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 07:07:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 07:07:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 07:07:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-02 07:07:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-02 07:07:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-02 07:07:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-02 07:07:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-02 07:07:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 07:07:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 07:07:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 07:07:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 07:07:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 07:07:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 07:07:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 07:07:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 07:07:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 07:07:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 07:07:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 07:07:22,924 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 07:11:52,687 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 07:11:52,688 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-02 07:11:52,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:11:52 BoogieIcfgContainer [2019-10-02 07:11:52,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 07:11:52,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 07:11:52,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 07:11:52,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 07:11:52,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 07:07:16" (1/3) ... [2019-10-02 07:11:52,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5941c119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:11:52, skipping insertion in model container [2019-10-02 07:11:52,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 07:07:20" (2/3) ... [2019-10-02 07:11:52,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5941c119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 07:11:52, skipping insertion in model container [2019-10-02 07:11:52,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 07:11:52" (3/3) ... [2019-10-02 07:11:52,698 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 [2019-10-02 07:11:52,708 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 07:11:52,718 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 07:11:52,734 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 07:11:52,772 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 07:11:52,773 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 07:11:52,773 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 07:11:52,773 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 07:11:52,773 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 07:11:52,773 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 07:11:52,773 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 07:11:52,774 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 07:11:52,774 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 07:11:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states. [2019-10-02 07:11:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2019-10-02 07:11:52,864 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:11:52,865 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] [2019-10-02 07:11:52,867 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:11:52,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:11:52,873 INFO L82 PathProgramCache]: Analyzing trace with hash -4128256, now seen corresponding path program 1 times [2019-10-02 07:11:52,875 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:11:52,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:11:52,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:52,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:11:52,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:11:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 4348 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4348 trivial. 0 not checked. [2019-10-02 07:11:54,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:11:54,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:11:54,784 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:11:54,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:11:54,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:11:54,800 INFO L87 Difference]: Start difference. First operand 1901 states. Second operand 3 states. [2019-10-02 07:11:58,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:11:58,393 INFO L93 Difference]: Finished difference Result 5207 states and 7217 transitions. [2019-10-02 07:11:58,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:11:58,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2019-10-02 07:11:58,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:11:58,436 INFO L225 Difference]: With dead ends: 5207 [2019-10-02 07:11:58,436 INFO L226 Difference]: Without dead ends: 3413 [2019-10-02 07:11:58,449 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:11:58,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2019-10-02 07:11:58,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3413. [2019-10-02 07:11:58,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3413 states. [2019-10-02 07:11:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 4698 transitions. [2019-10-02 07:11:58,760 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 4698 transitions. Word has length 353 [2019-10-02 07:11:58,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:11:58,763 INFO L475 AbstractCegarLoop]: Abstraction has 3413 states and 4698 transitions. [2019-10-02 07:11:58,763 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:11:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 4698 transitions. [2019-10-02 07:11:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2019-10-02 07:11:58,777 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:11:58,778 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] [2019-10-02 07:11:58,778 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:11:58,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:11:58,779 INFO L82 PathProgramCache]: Analyzing trace with hash -949453597, now seen corresponding path program 1 times [2019-10-02 07:11:58,779 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:11:58,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:11:58,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:58,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:11:58,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:11:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:11:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4536 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2019-10-02 07:11:59,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:11:59,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 07:11:59,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 07:11:59,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 07:11:59,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 07:11:59,954 INFO L87 Difference]: Start difference. First operand 3413 states and 4698 transitions. Second operand 6 states. [2019-10-02 07:12:06,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:12:06,411 INFO L93 Difference]: Finished difference Result 10010 states and 13804 transitions. [2019-10-02 07:12:06,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 07:12:06,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 368 [2019-10-02 07:12:06,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:12:06,453 INFO L225 Difference]: With dead ends: 10010 [2019-10-02 07:12:06,453 INFO L226 Difference]: Without dead ends: 6691 [2019-10-02 07:12:06,468 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 [2019-10-02 07:12:06,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6691 states. [2019-10-02 07:12:06,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6691 to 6691. [2019-10-02 07:12:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6691 states. [2019-10-02 07:12:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 9227 transitions. [2019-10-02 07:12:06,789 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 9227 transitions. Word has length 368 [2019-10-02 07:12:06,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:12:06,797 INFO L475 AbstractCegarLoop]: Abstraction has 6691 states and 9227 transitions. [2019-10-02 07:12:06,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 07:12:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 9227 transitions. [2019-10-02 07:12:06,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-10-02 07:12:06,832 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:12:06,832 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] [2019-10-02 07:12:06,833 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:12:06,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:12:06,840 INFO L82 PathProgramCache]: Analyzing trace with hash -783517460, now seen corresponding path program 1 times [2019-10-02 07:12:06,840 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:12:06,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:12:06,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:06,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:12:06,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:12:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4736 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-10-02 07:12:08,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:12:08,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:12:08,891 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:12:08,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:12:08,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:08,892 INFO L87 Difference]: Start difference. First operand 6691 states and 9227 transitions. Second operand 3 states. [2019-10-02 07:12:11,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:12:11,003 INFO L93 Difference]: Finished difference Result 19589 states and 26959 transitions. [2019-10-02 07:12:11,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:12:11,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 445 [2019-10-02 07:12:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:12:11,088 INFO L225 Difference]: With dead ends: 19589 [2019-10-02 07:12:11,088 INFO L226 Difference]: Without dead ends: 13013 [2019-10-02 07:12:11,120 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:11,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13013 states. [2019-10-02 07:12:11,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13013 to 12987. [2019-10-02 07:12:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12987 states. [2019-10-02 07:12:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12987 states to 12987 states and 17869 transitions. [2019-10-02 07:12:11,784 INFO L78 Accepts]: Start accepts. Automaton has 12987 states and 17869 transitions. Word has length 445 [2019-10-02 07:12:11,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:12:11,785 INFO L475 AbstractCegarLoop]: Abstraction has 12987 states and 17869 transitions. [2019-10-02 07:12:11,785 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:12:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 12987 states and 17869 transitions. [2019-10-02 07:12:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-10-02 07:12:11,807 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:12:11,808 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] [2019-10-02 07:12:11,808 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:12:11,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:12:11,809 INFO L82 PathProgramCache]: Analyzing trace with hash -907741911, now seen corresponding path program 1 times [2019-10-02 07:12:11,809 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:12:11,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:12:11,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:11,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:12:11,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:12:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4736 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-10-02 07:12:12,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:12:12,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:12:12,890 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:12:12,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:12:12,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:12,891 INFO L87 Difference]: Start difference. First operand 12987 states and 17869 transitions. Second operand 3 states. [2019-10-02 07:12:15,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:12:15,471 INFO L93 Difference]: Finished difference Result 38243 states and 52519 transitions. [2019-10-02 07:12:15,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:12:15,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2019-10-02 07:12:15,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:12:15,627 INFO L225 Difference]: With dead ends: 38243 [2019-10-02 07:12:15,627 INFO L226 Difference]: Without dead ends: 25371 [2019-10-02 07:12:15,698 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:15,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25371 states. [2019-10-02 07:12:16,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25371 to 25343. [2019-10-02 07:12:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25343 states. [2019-10-02 07:12:16,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25343 states to 25343 states and 34781 transitions. [2019-10-02 07:12:16,661 INFO L78 Accepts]: Start accepts. Automaton has 25343 states and 34781 transitions. Word has length 451 [2019-10-02 07:12:16,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:12:16,662 INFO L475 AbstractCegarLoop]: Abstraction has 25343 states and 34781 transitions. [2019-10-02 07:12:16,663 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:12:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 25343 states and 34781 transitions. [2019-10-02 07:12:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-10-02 07:12:16,680 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:12:16,681 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] [2019-10-02 07:12:16,681 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:12:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:12:16,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1391619387, now seen corresponding path program 1 times [2019-10-02 07:12:16,682 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:12:16,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:12:16,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:16,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:12:16,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:12:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4733 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4728 trivial. 0 not checked. [2019-10-02 07:12:18,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:12:18,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:12:18,521 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:12:18,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:12:18,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:18,522 INFO L87 Difference]: Start difference. First operand 25343 states and 34781 transitions. Second operand 3 states. [2019-10-02 07:12:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:12:21,084 INFO L93 Difference]: Finished difference Result 72087 states and 98655 transitions. [2019-10-02 07:12:21,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:12:21,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 438 [2019-10-02 07:12:21,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:12:21,300 INFO L225 Difference]: With dead ends: 72087 [2019-10-02 07:12:21,301 INFO L226 Difference]: Without dead ends: 46859 [2019-10-02 07:12:21,404 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46859 states. [2019-10-02 07:12:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46859 to 46833. [2019-10-02 07:12:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46833 states. [2019-10-02 07:12:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46833 states to 46833 states and 63999 transitions. [2019-10-02 07:12:22,909 INFO L78 Accepts]: Start accepts. Automaton has 46833 states and 63999 transitions. Word has length 438 [2019-10-02 07:12:22,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:12:22,910 INFO L475 AbstractCegarLoop]: Abstraction has 46833 states and 63999 transitions. [2019-10-02 07:12:22,910 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:12:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 46833 states and 63999 transitions. [2019-10-02 07:12:23,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2019-10-02 07:12:23,008 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:12:23,009 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] [2019-10-02 07:12:23,009 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:12:23,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:12:23,009 INFO L82 PathProgramCache]: Analyzing trace with hash 517587499, now seen corresponding path program 1 times [2019-10-02 07:12:23,010 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:12:23,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:12:23,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:23,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:12:23,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:12:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-10-02 07:12:24,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:12:24,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:12:24,367 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:12:24,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:12:24,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:24,368 INFO L87 Difference]: Start difference. First operand 46833 states and 63999 transitions. Second operand 3 states. [2019-10-02 07:12:29,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:12:29,523 INFO L93 Difference]: Finished difference Result 116675 states and 159439 transitions. [2019-10-02 07:12:29,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:12:29,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 630 [2019-10-02 07:12:29,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:12:29,781 INFO L225 Difference]: With dead ends: 116675 [2019-10-02 07:12:29,782 INFO L226 Difference]: Without dead ends: 69961 [2019-10-02 07:12:29,869 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:29,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69961 states. [2019-10-02 07:12:34,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69961 to 69929. [2019-10-02 07:12:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69929 states. [2019-10-02 07:12:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69929 states to 69929 states and 95403 transitions. [2019-10-02 07:12:34,166 INFO L78 Accepts]: Start accepts. Automaton has 69929 states and 95403 transitions. Word has length 630 [2019-10-02 07:12:34,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:12:34,168 INFO L475 AbstractCegarLoop]: Abstraction has 69929 states and 95403 transitions. [2019-10-02 07:12:34,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:12:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 69929 states and 95403 transitions. [2019-10-02 07:12:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2019-10-02 07:12:34,247 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:12:34,247 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] [2019-10-02 07:12:34,248 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:12:34,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:12:34,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1300675241, now seen corresponding path program 1 times [2019-10-02 07:12:34,248 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:12:34,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:12:34,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:34,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:12:34,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:12:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9156 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-10-02 07:12:35,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:12:35,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:12:35,177 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:12:35,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:12:35,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:35,178 INFO L87 Difference]: Start difference. First operand 69929 states and 95403 transitions. Second operand 3 states. [2019-10-02 07:12:40,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:12:40,109 INFO L93 Difference]: Finished difference Result 173739 states and 236993 transitions. [2019-10-02 07:12:40,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:12:40,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 617 [2019-10-02 07:12:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:12:40,533 INFO L225 Difference]: With dead ends: 173739 [2019-10-02 07:12:40,533 INFO L226 Difference]: Without dead ends: 103929 [2019-10-02 07:12:40,692 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:40,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103929 states. [2019-10-02 07:12:43,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103929 to 103903. [2019-10-02 07:12:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103903 states. [2019-10-02 07:12:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103903 states to 103903 states and 141471 transitions. [2019-10-02 07:12:43,839 INFO L78 Accepts]: Start accepts. Automaton has 103903 states and 141471 transitions. Word has length 617 [2019-10-02 07:12:43,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:12:43,840 INFO L475 AbstractCegarLoop]: Abstraction has 103903 states and 141471 transitions. [2019-10-02 07:12:43,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:12:43,841 INFO L276 IsEmpty]: Start isEmpty. Operand 103903 states and 141471 transitions. [2019-10-02 07:12:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2019-10-02 07:12:44,369 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:12:44,370 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] [2019-10-02 07:12:44,370 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:12:44,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:12:44,370 INFO L82 PathProgramCache]: Analyzing trace with hash -689935992, now seen corresponding path program 1 times [2019-10-02 07:12:44,371 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:12:44,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:12:44,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:44,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:12:44,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:12:45,469 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 9136 trivial. 0 not checked. [2019-10-02 07:12:45,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:12:45,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 07:12:45,471 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 07:12:45,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 07:12:45,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:45,472 INFO L87 Difference]: Start difference. First operand 103903 states and 141471 transitions. Second operand 3 states. [2019-10-02 07:12:51,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:12:51,035 INFO L93 Difference]: Finished difference Result 256981 states and 349811 transitions. [2019-10-02 07:12:51,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 07:12:51,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 624 [2019-10-02 07:12:51,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:12:51,489 INFO L225 Difference]: With dead ends: 256981 [2019-10-02 07:12:51,490 INFO L226 Difference]: Without dead ends: 153197 [2019-10-02 07:12:51,710 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 07:12:51,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153197 states. [2019-10-02 07:12:58,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153197 to 153167. [2019-10-02 07:12:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153167 states. [2019-10-02 07:12:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153167 states to 153167 states and 208085 transitions. [2019-10-02 07:12:58,506 INFO L78 Accepts]: Start accepts. Automaton has 153167 states and 208085 transitions. Word has length 624 [2019-10-02 07:12:58,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:12:58,508 INFO L475 AbstractCegarLoop]: Abstraction has 153167 states and 208085 transitions. [2019-10-02 07:12:58,508 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 07:12:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 153167 states and 208085 transitions. [2019-10-02 07:12:58,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2019-10-02 07:12:58,548 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:12:58,548 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] [2019-10-02 07:12:58,549 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:12:58,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:12:58,549 INFO L82 PathProgramCache]: Analyzing trace with hash 563177362, now seen corresponding path program 1 times [2019-10-02 07:12:58,549 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:12:58,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:12:58,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:58,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:12:58,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:12:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:12:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 9010 trivial. 0 not checked. [2019-10-02 07:12:59,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 07:12:59,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 07:12:59,514 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 07:12:59,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 07:12:59,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:12:59,514 INFO L87 Difference]: Start difference. First operand 153167 states and 208085 transitions. Second operand 5 states. [2019-10-02 07:13:06,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:13:06,186 INFO L93 Difference]: Finished difference Result 306847 states and 417875 transitions. [2019-10-02 07:13:06,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 07:13:06,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 624 [2019-10-02 07:13:06,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:13:06,747 INFO L225 Difference]: With dead ends: 306847 [2019-10-02 07:13:06,748 INFO L226 Difference]: Without dead ends: 153799 [2019-10-02 07:13:06,990 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 07:13:07,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153799 states. [2019-10-02 07:13:09,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153799 to 153687. [2019-10-02 07:13:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153687 states. [2019-10-02 07:13:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153687 states to 153687 states and 208903 transitions. [2019-10-02 07:13:09,674 INFO L78 Accepts]: Start accepts. Automaton has 153687 states and 208903 transitions. Word has length 624 [2019-10-02 07:13:09,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:13:09,674 INFO L475 AbstractCegarLoop]: Abstraction has 153687 states and 208903 transitions. [2019-10-02 07:13:09,675 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 07:13:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 153687 states and 208903 transitions. [2019-10-02 07:13:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2019-10-02 07:13:09,713 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:13:09,714 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 67, 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, 1, 1, 1, 1, 1, 1] [2019-10-02 07:13:09,714 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:13:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:13:09,714 INFO L82 PathProgramCache]: Analyzing trace with hash -647791446, now seen corresponding path program 1 times [2019-10-02 07:13:09,714 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:13:09,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:13:09,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:09,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:13:09,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:13:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 130 proven. 30 refuted. 0 times theorem prover too weak. 9002 trivial. 0 not checked. [2019-10-02 07:13:12,195 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:13:12,195 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:13:12,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:13:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:13:15,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 9677 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 07:13:15,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:13:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 9162 backedges. 3960 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2019-10-02 07:13:16,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 07:13:16,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2019-10-02 07:13:16,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 07:13:16,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 07:13:16,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-02 07:13:16,092 INFO L87 Difference]: Start difference. First operand 153687 states and 208903 transitions. Second operand 11 states. [2019-10-02 07:13:28,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:13:28,758 INFO L93 Difference]: Finished difference Result 491881 states and 678265 transitions. [2019-10-02 07:13:28,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-02 07:13:28,759 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 635 [2019-10-02 07:13:28,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:13:30,484 INFO L225 Difference]: With dead ends: 491881 [2019-10-02 07:13:30,485 INFO L226 Difference]: Without dead ends: 337308 [2019-10-02 07:13:31,056 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 634 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2019-10-02 07:13:31,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337308 states. [2019-10-02 07:13:46,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337308 to 312320. [2019-10-02 07:13:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312320 states. [2019-10-02 07:13:47,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312320 states to 312320 states and 426018 transitions. [2019-10-02 07:13:47,035 INFO L78 Accepts]: Start accepts. Automaton has 312320 states and 426018 transitions. Word has length 635 [2019-10-02 07:13:47,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:13:47,036 INFO L475 AbstractCegarLoop]: Abstraction has 312320 states and 426018 transitions. [2019-10-02 07:13:47,037 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 07:13:47,037 INFO L276 IsEmpty]: Start isEmpty. Operand 312320 states and 426018 transitions. [2019-10-02 07:13:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2019-10-02 07:13:47,187 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:13:47,187 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 67, 4, 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, 1, 1, 1, 1, 1, 1] [2019-10-02 07:13:47,188 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:13:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:13:47,188 INFO L82 PathProgramCache]: Analyzing trace with hash -517053128, now seen corresponding path program 1 times [2019-10-02 07:13:47,188 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:13:47,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:13:47,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:47,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:13:47,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:13:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:13:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9184 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 9165 trivial. 0 not checked. [2019-10-02 07:13:49,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:13:49,445 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:13:51,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:13:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:13:53,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 9688 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 07:13:53,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:13:54,298 INFO L134 CoverageAnalysis]: Checked inductivity of 9184 backedges. 3969 proven. 1 refuted. 0 times theorem prover too weak. 5214 trivial. 0 not checked. [2019-10-02 07:13:54,350 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:13:54,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 07:13:54,352 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 07:13:54,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 07:13:54,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 07:13:54,353 INFO L87 Difference]: Start difference. First operand 312320 states and 426018 transitions. Second operand 8 states. [2019-10-02 07:14:04,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:14:04,693 INFO L93 Difference]: Finished difference Result 626407 states and 856335 transitions. [2019-10-02 07:14:04,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 07:14:04,694 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 639 [2019-10-02 07:14:04,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:14:06,589 INFO L225 Difference]: With dead ends: 626407 [2019-10-02 07:14:06,590 INFO L226 Difference]: Without dead ends: 314193 [2019-10-02 07:14:06,942 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2019-10-02 07:14:07,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314193 states. [2019-10-02 07:14:23,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314193 to 312945. [2019-10-02 07:14:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312945 states. [2019-10-02 07:14:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312945 states to 312945 states and 426371 transitions. [2019-10-02 07:14:24,691 INFO L78 Accepts]: Start accepts. Automaton has 312945 states and 426371 transitions. Word has length 639 [2019-10-02 07:14:24,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:14:24,692 INFO L475 AbstractCegarLoop]: Abstraction has 312945 states and 426371 transitions. [2019-10-02 07:14:24,692 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 07:14:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 312945 states and 426371 transitions. [2019-10-02 07:14:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2019-10-02 07:14:24,808 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:14:24,809 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 67, 8, 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] [2019-10-02 07:14:24,809 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:14:24,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:14:24,810 INFO L82 PathProgramCache]: Analyzing trace with hash -693153270, now seen corresponding path program 1 times [2019-10-02 07:14:24,810 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:14:24,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:14:24,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:14:24,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:14:24,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:14:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:14:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 9216 backedges. 148 proven. 6 refuted. 0 times theorem prover too weak. 9062 trivial. 0 not checked. [2019-10-02 07:14:28,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:14:28,090 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:14:28,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:14:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:14:31,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 9699 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 07:14:31,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:14:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9216 backedges. 3984 proven. 3 refuted. 0 times theorem prover too weak. 5229 trivial. 0 not checked. [2019-10-02 07:14:36,944 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:14:36,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2019-10-02 07:14:36,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 07:14:36,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 07:14:36,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2019-10-02 07:14:36,946 INFO L87 Difference]: Start difference. First operand 312945 states and 426371 transitions. Second operand 13 states. [2019-10-02 07:14:53,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:14:53,613 INFO L93 Difference]: Finished difference Result 993465 states and 1373951 transitions. [2019-10-02 07:14:53,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-02 07:14:53,614 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 630 [2019-10-02 07:14:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:14:55,634 INFO L225 Difference]: With dead ends: 993465 [2019-10-02 07:14:55,634 INFO L226 Difference]: Without dead ends: 675826 [2019-10-02 07:14:56,090 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2019-10-02 07:14:56,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675826 states. [2019-10-02 07:15:30,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675826 to 630578. [2019-10-02 07:15:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630578 states. [2019-10-02 07:15:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630578 states to 630578 states and 859788 transitions. [2019-10-02 07:15:33,285 INFO L78 Accepts]: Start accepts. Automaton has 630578 states and 859788 transitions. Word has length 630 [2019-10-02 07:15:33,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 07:15:33,286 INFO L475 AbstractCegarLoop]: Abstraction has 630578 states and 859788 transitions. [2019-10-02 07:15:33,286 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 07:15:33,286 INFO L276 IsEmpty]: Start isEmpty. Operand 630578 states and 859788 transitions. [2019-10-02 07:15:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2019-10-02 07:15:33,424 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 07:15:33,425 INFO L411 BasicCegarLoop]: trace histogram [68, 68, 67, 12, 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] [2019-10-02 07:15:33,426 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 07:15:33,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 07:15:33,427 INFO L82 PathProgramCache]: Analyzing trace with hash -22965787, now seen corresponding path program 1 times [2019-10-02 07:15:33,427 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 07:15:33,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 07:15:33,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:15:33,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:15:33,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 07:15:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:15:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9276 backedges. 140 proven. 20 refuted. 0 times theorem prover too weak. 9116 trivial. 0 not checked. [2019-10-02 07:15:35,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 07:15:35,692 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 07:15:36,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 07:15:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 07:15:39,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 9737 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 07:15:39,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 07:15:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9276 backedges. 4005 proven. 6 refuted. 0 times theorem prover too weak. 5265 trivial. 0 not checked. [2019-10-02 07:15:47,000 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 07:15:47,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2019-10-02 07:15:47,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-02 07:15:47,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-02 07:15:47,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-10-02 07:15:47,003 INFO L87 Difference]: Start difference. First operand 630578 states and 859788 transitions. Second operand 14 states. [2019-10-02 07:16:37,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 07:16:37,729 INFO L93 Difference]: Finished difference Result 1986979 states and 2749777 transitions. [2019-10-02 07:16:37,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-02 07:16:37,730 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 641 [2019-10-02 07:16:37,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 07:16:43,779 INFO L225 Difference]: With dead ends: 1986979 [2019-10-02 07:16:43,779 INFO L226 Difference]: Without dead ends: 1338971 [2019-10-02 07:16:44,631 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=182, Invalid=1008, Unknown=0, NotChecked=0, Total=1190 [2019-10-02 07:16:45,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338971 states.