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--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 16:32:59,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 16:32:59,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 16:32:59,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 16:32:59,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 16:32:59,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 16:32:59,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 16:32:59,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 16:32:59,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 16:32:59,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 16:32:59,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 16:32:59,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 16:32:59,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 16:32:59,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 16:32:59,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 16:32:59,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 16:32:59,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 16:32:59,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 16:32:59,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 16:32:59,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 16:32:59,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 16:32:59,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 16:32:59,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 16:32:59,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 16:32:59,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 16:32:59,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 16:32:59,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 16:32:59,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 16:32:59,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 16:32:59,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 16:32:59,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 16:32:59,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 16:32:59,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 16:32:59,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 16:32:59,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 16:32:59,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 16:32:59,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 16:32:59,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 16:32:59,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 16:32:59,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 16:32:59,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 16:32:59,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 16:32:59,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 16:32:59,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 16:32:59,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 16:32:59,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 16:32:59,413 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 16:32:59,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 16:32:59,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 16:32:59,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 16:32:59,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 16:32:59,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 16:32:59,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 16:32:59,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 16:32:59,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 16:32:59,415 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 16:32:59,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 16:32:59,415 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 16:32:59,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 16:32:59,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 16:32:59,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 16:32:59,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 16:32:59,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 16:32:59,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:32:59,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 16:32:59,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 16:32:59,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 16:32:59,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 16:32:59,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 16:32:59,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 16:32:59,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 16:32:59,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 16:32:59,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 16:32:59,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 16:32:59,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 16:32:59,494 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 16:32:59,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2019-09-08 16:32:59,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8517f490/130261a4cf8d4e4b99e8e2c9a61678a2/FLAG5089ab96a [2019-09-08 16:33:00,470 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 16:33:00,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2019-09-08 16:33:00,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8517f490/130261a4cf8d4e4b99e8e2c9a61678a2/FLAG5089ab96a [2019-09-08 16:33:00,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8517f490/130261a4cf8d4e4b99e8e2c9a61678a2 [2019-09-08 16:33:00,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 16:33:00,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 16:33:00,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 16:33:00,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 16:33:00,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 16:33:00,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:33:00" (1/1) ... [2019-09-08 16:33:00,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f0205c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:00, skipping insertion in model container [2019-09-08 16:33:00,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:33:00" (1/1) ... [2019-09-08 16:33:00,916 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 16:33:01,097 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 16:33:04,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:33:04,267 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 16:33:04,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 16:33:05,321 INFO L192 MainTranslator]: Completed translation [2019-09-08 16:33:05,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05 WrapperNode [2019-09-08 16:33:05,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 16:33:05,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 16:33:05,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 16:33:05,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 16:33:05,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (1/1) ... [2019-09-08 16:33:05,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (1/1) ... [2019-09-08 16:33:05,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (1/1) ... [2019-09-08 16:33:05,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (1/1) ... [2019-09-08 16:33:05,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (1/1) ... [2019-09-08 16:33:05,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (1/1) ... [2019-09-08 16:33:05,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (1/1) ... [2019-09-08 16:33:05,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 16:33:05,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 16:33:05,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 16:33:05,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 16:33:05,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 16:33:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 16:33:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 16:33:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 16:33:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 16:33:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-09-08 16:33:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 16:33:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 16:33:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 16:33:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 16:33:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-09-08 16:33:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-08 16:33:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-09-08 16:33:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 16:33:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 16:33:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 16:33:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 16:33:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2019-09-08 16:33:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2019-09-08 16:33:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2019-09-08 16:33:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2019-09-08 16:33:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2019-09-08 16:33:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2019-09-08 16:33:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_queue_mapping [2019-09-08 16:33:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2019-09-08 16:33:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 16:33:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 16:33:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 16:33:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 16:33:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 16:33:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 16:33:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 16:33:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 16:33:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 16:33:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-08 16:33:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-08 16:33:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-08 16:33:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-09-08 16:33:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-09-08 16:33:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-08 16:33:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 16:33:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-08 16:33:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-08 16:33:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2019-09-08 16:33:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2019-09-08 16:33:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2019-09-08 16:33:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2019-09-08 16:33:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_morefrags [2019-09-08 16:33:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wiphy_dev [2019-09-08 16:33:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2019-09-08 16:33:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2019-09-08 16:33:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2019-09-08 16:33:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_DEV [2019-09-08 16:33:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2019-09-08 16:33:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2019-09-08 16:33:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2019-09-08 16:33:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2019-09-08 16:33:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8_idx [2019-09-08 16:33:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2019-09-08 16:33:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16_idx [2019-09-08 16:33:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2019-09-08 16:33:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32_idx [2019-09-08 16:33:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2019-09-08 16:33:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8_idx [2019-09-08 16:33:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2019-09-08 16:33:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16_idx [2019-09-08 16:33:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2019-09-08 16:33:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_idx [2019-09-08 16:33:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2019-09-08 16:33:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_iowrite_async_cb [2019-09-08 16:33:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_iowrite_async [2019-09-08 16:33:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_async [2019-09-08 16:33:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_write_phy [2019-09-08 16:33:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx_cb [2019-09-08 16:33:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx [2019-09-08 16:33:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rx_cb [2019-09-08 16:33:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_urbs [2019-09-08 16:33:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187b_status_cb [2019-09-08 16:33:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187b_init_status_urb [2019-09-08 16:33:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_set_anaparam [2019-09-08 16:33:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_cmd_reset [2019-09-08 16:33:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_hw [2019-09-08 16:33:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187b_init_hw [2019-09-08 16:33:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_work [2019-09-08 16:33:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_start [2019-09-08 16:33:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_stop [2019-09-08 16:33:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_get_tsf [2019-09-08 16:33:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_beacon_work [2019-09-08 16:33:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_add_interface [2019-09-08 16:33:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_remove_interface [2019-09-08 16:33:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_config [2019-09-08 16:33:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_erp [2019-09-08 16:33:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_bss_info_changed [2019-09-08 16:33:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_prepare_multicast [2019-09-08 16:33:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_configure_filter [2019-09-08 16:33:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_tx [2019-09-08 16:33:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_eeprom_register_read [2019-09-08 16:33:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_eeprom_register_write [2019-09-08 16:33:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_probe [2019-09-08 16:33:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_disconnect [2019-09-08 16:33:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_driver_init [2019-09-08 16:33:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_driver_exit [2019-09-08 16:33:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ieee80211_ops_5 [2019-09-08 16:33:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2019-09-08 16:33:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 16:33:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-08 16:33:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-08 16:33:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-08 16:33:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-08 16:33:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-08 16:33:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_12 [2019-09-08 16:33:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-09-08 16:33:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-09-08 16:33:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2019-09-08 16:33:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-09-08 16:33:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_17 [2019-09-08 16:33:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_18 [2019-09-08 16:33:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_19 [2019-09-08 16:33:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_20 [2019-09-08 16:33:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2019-09-08 16:33:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2019-09-08 16:33:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_bitbang [2019-09-08 16:33:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_8051 [2019-09-08 16:33:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2019-09-08 16:33:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2019-09-08 16:33:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2019-09-08 16:33:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2019-09-08 16:33:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2019-09-08 16:33:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_set_tx_power [2019-09-08 16:33:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2019-09-08 16:33:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_init [2019-09-08 16:33:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2019-09-08 16:33:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2019-09-08 16:33:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_detect_rf [2019-09-08 16:33:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtl818x_rf_ops_3 [2019-09-08 16:33:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtl818x_rf_ops_1 [2019-09-08 16:33:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtl818x_rf_ops_2 [2019-09-08 16:33:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_1 [2019-09-08 16:33:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-09-08 16:33:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2019-09-08 16:33:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_27 [2019-09-08 16:33:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_28 [2019-09-08 16:33:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_29 [2019-09-08 16:33:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_30 [2019-09-08 16:33:05,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_33 [2019-09-08 16:33:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 16:33:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 16:33:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2019-09-08 16:33:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_led_name [2019-09-08 16:33:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rx_led_name [2019-09-08 16:33:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_radio_led_name [2019-09-08 16:33:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure led_turn_on [2019-09-08 16:33:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure led_turn_off [2019-09-08 16:33:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_led_brightness_set [2019-09-08 16:33:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_register_led [2019-09-08 16:33:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_unregister_led [2019-09-08 16:33:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_leds_init [2019-09-08 16:33:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_leds_exit [2019-09-08 16:33:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_38 [2019-09-08 16:33:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_39 [2019-09-08 16:33:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_40 [2019-09-08 16:33:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2019-09-08 16:33:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_44 [2019-09-08 16:33:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_is_radio_enabled [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_init [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_poll [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_exit [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_49 [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_50 [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_51 [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_52 [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_55 [2019-09-08 16:33:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-08 16:33:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-08 16:33:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-08 16:33:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-08 16:33:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-08 16:33:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 16:33:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 16:33:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 16:33:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 16:33:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-08 16:33:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 16:33:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-08 16:33:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-08 16:33:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-08 16:33:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-08 16:33:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-08 16:33:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 16:33:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 16:33:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2019-09-08 16:33:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-08 16:33:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 16:33:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee80211_get_radio_led_name [2019-09-08 16:33:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee80211_get_rx_led_name [2019-09-08 16:33:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee80211_get_tx_led_name [2019-09-08 16:33:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 16:33:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 16:33:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 16:33:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-08 16:33:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 16:33:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-08 16:33:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-08 16:33:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 16:33:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2019-09-08 16:33:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2019-09-08 16:33:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 16:33:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-08 16:33:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2019-09-08 16:33:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2019-09-08 16:33:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_delayed_work [2019-09-08 16:33:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2019-09-08 16:33:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_alloc_hw [2019-09-08 16:33:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get_tim [2019-09-08 16:33:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_ctstoself_duration [2019-09-08 16:33:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2019-09-08 16:33:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2019-09-08 16:33:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2019-09-08 16:33:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2019-09-08 16:33:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_stopped [2019-09-08 16:33:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_register_hw [2019-09-08 16:33:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rts_duration [2019-09-08 16:33:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_rx_irqsafe [2019-09-08 16:33:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2019-09-08 16:33:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2019-09-08 16:33:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-08 16:33:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2019-09-08 16:33:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_2 [2019-09-08 16:33:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_3 [2019-09-08 16:33:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2019-09-08 16:33:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2019-09-08 16:33:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2019-09-08 16:33:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-09-08 16:33:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-09-08 16:33:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-09-08 16:33:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_start_1 [2019-09-08 16:33:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_start_2 [2019-09-08 16:33:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_start_3 [2019-09-08 16:33:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_register [2019-09-08 16:33:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure led_classdev_unregister [2019-09-08 16:33:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 16:33:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-08 16:33:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 16:33:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 16:33:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 16:33:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-08 16:33:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 16:33:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-08 16:33:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-09-08 16:33:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 16:33:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2019-09-08 16:33:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-09-08 16:33:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2019-09-08 16:33:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-08 16:33:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-09-08 16:33:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-08 16:33:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-08 16:33:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-08 16:33:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-09-08 16:33:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2019-09-08 16:33:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2019-09-08 16:33:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-08 16:33:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-08 16:33:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-08 16:33:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2019-09-08 16:33:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2019-09-08 16:33:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 16:33:05,945 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2019-09-08 16:33:05,947 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_start_polling [2019-09-08 16:33:05,947 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_stop_polling [2019-09-08 16:33:05,947 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 16:33:05,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 16:33:05,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 16:33:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 16:33:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 16:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 16:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 16:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-09-08 16:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 16:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 16:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 16:33:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 16:33:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 16:33:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 16:33:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 16:33:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 16:33:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 16:33:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-08 16:33:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 16:33:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 16:33:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 16:33:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 16:33:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 16:33:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 16:33:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 16:33:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2019-09-08 16:33:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-08 16:33:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-09-08 16:33:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 16:33:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 16:33:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-08 16:33:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2019-09-08 16:33:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 16:33:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-09-08 16:33:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-08 16:33:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-09-08 16:33:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2019-09-08 16:33:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 16:33:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 16:33:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 16:33:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 16:33:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 16:33:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 16:33:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 16:33:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 16:33:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-08 16:33:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-08 16:33:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-08 16:33:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-08 16:33:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-08 16:33:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-09-08 16:33:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-09-08 16:33:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-09-08 16:33:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-08 16:33:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2019-09-08 16:33:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 16:33:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2019-09-08 16:33:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 16:33:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2019-09-08 16:33:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 16:33:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 16:33:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2019-09-08 16:33:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2019-09-08 16:33:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2019-09-08 16:33:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_12 [2019-09-08 16:33:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_17 [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_18 [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2019-09-08 16:33:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2019-09-08 16:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_queue_mapping [2019-09-08 16:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2019-09-08 16:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-08 16:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-08 16:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 16:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 16:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 16:33:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2019-09-08 16:33:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2019-09-08 16:33:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 16:33:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 16:33:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 16:33:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 16:33:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 16:33:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 16:33:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 16:33:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 16:33:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 16:33:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 16:33:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 16:33:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 16:33:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 16:33:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtl818x_rf_ops_3 [2019-09-08 16:33:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtl818x_rf_ops_1 [2019-09-08 16:33:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ieee80211_ops_5 [2019-09-08 16:33:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtl818x_rf_ops_2 [2019-09-08 16:33:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2019-09-08 16:33:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 16:33:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-08 16:33:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-08 16:33:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-08 16:33:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-08 16:33:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-09-08 16:33:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2019-09-08 16:33:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-08 16:33:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-08 16:33:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_19 [2019-09-08 16:33:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-08 16:33:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_20 [2019-09-08 16:33:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-09-08 16:33:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2019-09-08 16:33:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-08 16:33:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 16:33:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-08 16:33:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2019-09-08 16:33:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-08 16:33:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-08 16:33:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2019-09-08 16:33:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2019-09-08 16:33:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2019-09-08 16:33:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2019-09-08 16:33:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2019-09-08 16:33:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2019-09-08 16:33:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_morefrags [2019-09-08 16:33:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_wiphy_dev [2019-09-08 16:33:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2019-09-08 16:33:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_DEV [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_alloc_hw [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_register_hw [2019-09-08 16:33:06,051 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rx_irqsafe [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get_tim [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_rts_duration [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_ctstoself_duration [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2019-09-08 16:33:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_stopped [2019-09-08 16:33:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2019-09-08 16:33:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_leds_init [2019-09-08 16:33:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_leds_exit [2019-09-08 16:33:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_write_phy [2019-09-08 16:33:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8_idx [2019-09-08 16:33:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2019-09-08 16:33:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16_idx [2019-09-08 16:33:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2019-09-08 16:33:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32_idx [2019-09-08 16:33:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2019-09-08 16:33:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8_idx [2019-09-08 16:33:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2019-09-08 16:33:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16_idx [2019-09-08 16:33:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2019-09-08 16:33:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_idx [2019-09-08 16:33:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2019-09-08 16:33:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_detect_rf [2019-09-08 16:33:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_init [2019-09-08 16:33:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_poll [2019-09-08 16:33:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_exit [2019-09-08 16:33:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_iowrite_async_cb [2019-09-08 16:33:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_iowrite_async [2019-09-08 16:33:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_async [2019-09-08 16:33:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx_cb [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rx_cb [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_urbs [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187b_status_cb [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187b_init_status_urb [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_set_anaparam [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_cmd_reset [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_hw [2019-09-08 16:33:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 16:33:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187b_init_hw [2019-09-08 16:33:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_work [2019-09-08 16:33:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_start [2019-09-08 16:33:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_stop [2019-09-08 16:33:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_get_tsf [2019-09-08 16:33:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_beacon_work [2019-09-08 16:33:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_add_interface [2019-09-08 16:33:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_remove_interface [2019-09-08 16:33:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_config [2019-09-08 16:33:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 16:33:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_erp [2019-09-08 16:33:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_bss_info_changed [2019-09-08 16:33:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_prepare_multicast [2019-09-08 16:33:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_configure_filter [2019-09-08 16:33:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_tx [2019-09-08 16:33:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_eeprom_register_read [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_eeprom_register_write [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_probe [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_disconnect [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_driver_init [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_driver_exit [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_1 [2019-09-08 16:33:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-09-08 16:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2019-09-08 16:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 16:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-08 16:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_28 [2019-09-08 16:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_29 [2019-09-08 16:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_30 [2019-09-08 16:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_33 [2019-09-08 16:33:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_27 [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_bitbang [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_8051 [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2019-09-08 16:33:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_set_tx_power [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_init [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_start_3 [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_2 [2019-09-08 16:33:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_start_2 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_3 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_start_1 [2019-09-08 16:33:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2019-09-08 16:33:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 16:33:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-08 16:33:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure flush_delayed_work [2019-09-08 16:33:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2019-09-08 16:33:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 16:33:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 16:33:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_39 [2019-09-08 16:33:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_40 [2019-09-08 16:33:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2019-09-08 16:33:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_44 [2019-09-08 16:33:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_38 [2019-09-08 16:33:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2019-09-08 16:33:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee80211_get_tx_led_name [2019-09-08 16:33:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee80211_get_rx_led_name [2019-09-08 16:33:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee80211_get_radio_led_name [2019-09-08 16:33:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_led_name [2019-09-08 16:33:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rx_led_name [2019-09-08 16:33:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_radio_led_name [2019-09-08 16:33:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_register [2019-09-08 16:33:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure led_classdev_unregister [2019-09-08 16:33:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure led_turn_on [2019-09-08 16:33:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure led_turn_off [2019-09-08 16:33:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_led_brightness_set [2019-09-08 16:33:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_register_led [2019-09-08 16:33:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_unregister_led [2019-09-08 16:33:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_50 [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_51 [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_52 [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_55 [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_49 [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_start_polling [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_stop_polling [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_is_radio_enabled [2019-09-08 16:33:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 16:33:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-08 16:33:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-08 16:33:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-08 16:33:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-08 16:33:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 16:33:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 16:33:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 16:33:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 16:33:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 16:33:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 16:33:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 16:33:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 16:33:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 16:33:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 16:33:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 16:33:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 16:33:07,635 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 16:33:37,504 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 16:33:37,504 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 16:33:37,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:33:37 BoogieIcfgContainer [2019-09-08 16:33:37,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 16:33:37,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 16:33:37,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 16:33:37,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 16:33:37,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:33:00" (1/3) ... [2019-09-08 16:33:37,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2796c58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:33:37, skipping insertion in model container [2019-09-08 16:33:37,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:33:05" (2/3) ... [2019-09-08 16:33:37,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2796c58b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:33:37, skipping insertion in model container [2019-09-08 16:33:37,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:33:37" (3/3) ... [2019-09-08 16:33:37,515 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2019-09-08 16:33:37,525 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 16:33:37,539 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 16:33:37,556 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 16:33:37,609 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 16:33:37,609 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 16:33:37,610 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 16:33:37,610 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 16:33:37,610 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 16:33:37,610 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 16:33:37,610 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 16:33:37,610 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 16:33:37,610 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 16:33:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states. [2019-09-08 16:33:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-08 16:33:37,697 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:37,699 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:33:37,701 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:37,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:37,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1974053093, now seen corresponding path program 1 times [2019-09-08 16:33:37,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:37,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:37,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:37,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:37,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-09-08 16:33:38,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:38,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:33:38,642 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:33:38,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:33:38,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:38,661 INFO L87 Difference]: Start difference. First operand 2975 states. Second operand 3 states. [2019-09-08 16:33:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:40,391 INFO L93 Difference]: Finished difference Result 8615 states and 12305 transitions. [2019-09-08 16:33:40,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:33:40,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2019-09-08 16:33:40,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:40,495 INFO L225 Difference]: With dead ends: 8615 [2019-09-08 16:33:40,496 INFO L226 Difference]: Without dead ends: 5701 [2019-09-08 16:33:40,526 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:40,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5701 states. [2019-09-08 16:33:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5701 to 5701. [2019-09-08 16:33:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5701 states. [2019-09-08 16:33:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5701 states to 5701 states and 8086 transitions. [2019-09-08 16:33:41,017 INFO L78 Accepts]: Start accepts. Automaton has 5701 states and 8086 transitions. Word has length 91 [2019-09-08 16:33:41,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:41,018 INFO L475 AbstractCegarLoop]: Abstraction has 5701 states and 8086 transitions. [2019-09-08 16:33:41,018 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:33:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 5701 states and 8086 transitions. [2019-09-08 16:33:41,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-08 16:33:41,027 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:41,027 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:33:41,028 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:41,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:41,028 INFO L82 PathProgramCache]: Analyzing trace with hash 904041548, now seen corresponding path program 1 times [2019-09-08 16:33:41,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:41,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:41,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:41,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:41,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-08 16:33:41,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:41,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:33:41,547 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:33:41,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:33:41,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:33:41,548 INFO L87 Difference]: Start difference. First operand 5701 states and 8086 transitions. Second operand 6 states. [2019-09-08 16:33:49,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:49,903 INFO L93 Difference]: Finished difference Result 17050 states and 24294 transitions. [2019-09-08 16:33:49,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 16:33:49,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-09-08 16:33:49,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:50,143 INFO L225 Difference]: With dead ends: 17050 [2019-09-08 16:33:50,143 INFO L226 Difference]: Without dead ends: 11357 [2019-09-08 16:33:50,176 INFO L628 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 [2019-09-08 16:33:50,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11357 states. [2019-09-08 16:33:50,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11357 to 11357. [2019-09-08 16:33:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11357 states. [2019-09-08 16:33:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11357 states to 11357 states and 16179 transitions. [2019-09-08 16:33:50,955 INFO L78 Accepts]: Start accepts. Automaton has 11357 states and 16179 transitions. Word has length 107 [2019-09-08 16:33:50,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:50,956 INFO L475 AbstractCegarLoop]: Abstraction has 11357 states and 16179 transitions. [2019-09-08 16:33:50,956 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:33:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 11357 states and 16179 transitions. [2019-09-08 16:33:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-08 16:33:50,980 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:50,980 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2019-09-08 16:33:50,981 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:50,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:50,981 INFO L82 PathProgramCache]: Analyzing trace with hash -333445799, now seen corresponding path program 1 times [2019-09-08 16:33:50,981 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:50,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:50,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:50,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:50,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:51,472 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-08 16:33:51,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:51,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:33:51,473 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:33:51,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:33:51,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:51,474 INFO L87 Difference]: Start difference. First operand 11357 states and 16179 transitions. Second operand 3 states. [2019-09-08 16:33:52,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:52,372 INFO L93 Difference]: Finished difference Result 28753 states and 41046 transitions. [2019-09-08 16:33:52,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:33:52,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-09-08 16:33:52,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:52,543 INFO L225 Difference]: With dead ends: 28753 [2019-09-08 16:33:52,544 INFO L226 Difference]: Without dead ends: 17425 [2019-09-08 16:33:52,613 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:52,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17425 states. [2019-09-08 16:33:54,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17425 to 17401. [2019-09-08 16:33:54,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17401 states. [2019-09-08 16:33:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17401 states to 17401 states and 24877 transitions. [2019-09-08 16:33:54,945 INFO L78 Accepts]: Start accepts. Automaton has 17401 states and 24877 transitions. Word has length 168 [2019-09-08 16:33:54,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:33:54,949 INFO L475 AbstractCegarLoop]: Abstraction has 17401 states and 24877 transitions. [2019-09-08 16:33:54,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:33:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 17401 states and 24877 transitions. [2019-09-08 16:33:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-08 16:33:54,987 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:33:54,987 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 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] [2019-09-08 16:33:54,987 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:33:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:33:54,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1611301007, now seen corresponding path program 1 times [2019-09-08 16:33:54,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:33:54,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:33:54,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:54,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:33:54,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:33:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:33:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-09-08 16:33:55,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:33:55,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:33:55,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:33:55,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:33:55,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:55,467 INFO L87 Difference]: Start difference. First operand 17401 states and 24877 transitions. Second operand 3 states. [2019-09-08 16:33:58,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:33:58,127 INFO L93 Difference]: Finished difference Result 44437 states and 63336 transitions. [2019-09-08 16:33:58,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:33:58,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2019-09-08 16:33:58,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:33:58,267 INFO L225 Difference]: With dead ends: 44437 [2019-09-08 16:33:58,267 INFO L226 Difference]: Without dead ends: 27069 [2019-09-08 16:33:58,328 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:33:58,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27069 states. [2019-09-08 16:33:59,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27069 to 27045. [2019-09-08 16:33:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27045 states. [2019-09-08 16:34:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27045 states to 27045 states and 38385 transitions. [2019-09-08 16:34:00,325 INFO L78 Accepts]: Start accepts. Automaton has 27045 states and 38385 transitions. Word has length 237 [2019-09-08 16:34:00,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:34:00,326 INFO L475 AbstractCegarLoop]: Abstraction has 27045 states and 38385 transitions. [2019-09-08 16:34:00,327 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:34:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 27045 states and 38385 transitions. [2019-09-08 16:34:00,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-08 16:34:00,344 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:34:00,344 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 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] [2019-09-08 16:34:00,344 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:34:00,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:34:00,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1140349865, now seen corresponding path program 1 times [2019-09-08 16:34:00,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:34:00,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:34:00,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:00,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:34:00,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2019-09-08 16:34:00,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:34:00,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:34:00,717 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:34:00,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:34:00,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:34:00,718 INFO L87 Difference]: Start difference. First operand 27045 states and 38385 transitions. Second operand 3 states. [2019-09-08 16:34:01,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:34:01,324 INFO L93 Difference]: Finished difference Result 40603 states and 57690 transitions. [2019-09-08 16:34:01,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:34:01,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2019-09-08 16:34:01,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:34:01,491 INFO L225 Difference]: With dead ends: 40603 [2019-09-08 16:34:01,492 INFO L226 Difference]: Without dead ends: 27061 [2019-09-08 16:34:01,554 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:34:01,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27061 states. [2019-09-08 16:34:04,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27061 to 27053. [2019-09-08 16:34:04,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27053 states. [2019-09-08 16:34:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27053 states to 27053 states and 38393 transitions. [2019-09-08 16:34:04,548 INFO L78 Accepts]: Start accepts. Automaton has 27053 states and 38393 transitions. Word has length 237 [2019-09-08 16:34:04,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:34:04,548 INFO L475 AbstractCegarLoop]: Abstraction has 27053 states and 38393 transitions. [2019-09-08 16:34:04,549 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:34:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 27053 states and 38393 transitions. [2019-09-08 16:34:04,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-09-08 16:34:04,566 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:34:04,566 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 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] [2019-09-08 16:34:04,566 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:34:04,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:34:04,567 INFO L82 PathProgramCache]: Analyzing trace with hash -688270712, now seen corresponding path program 1 times [2019-09-08 16:34:04,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:34:04,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:34:04,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:04,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:34:04,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:34:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:34:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2019-09-08 16:34:05,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:34:05,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 16:34:05,307 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 16:34:05,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 16:34:05,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:34:05,308 INFO L87 Difference]: Start difference. First operand 27053 states and 38393 transitions. Second operand 9 states. [2019-09-08 16:36:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:19,079 INFO L93 Difference]: Finished difference Result 56791 states and 80565 transitions. [2019-09-08 16:36:19,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 16:36:19,079 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 239 [2019-09-08 16:36:19,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:19,514 INFO L225 Difference]: With dead ends: 56791 [2019-09-08 16:36:19,515 INFO L226 Difference]: Without dead ends: 29771 [2019-09-08 16:36:19,599 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-09-08 16:36:19,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29771 states. [2019-09-08 16:36:20,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29771 to 29669. [2019-09-08 16:36:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29669 states. [2019-09-08 16:36:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29669 states to 29669 states and 41939 transitions. [2019-09-08 16:36:21,137 INFO L78 Accepts]: Start accepts. Automaton has 29669 states and 41939 transitions. Word has length 239 [2019-09-08 16:36:21,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:21,137 INFO L475 AbstractCegarLoop]: Abstraction has 29669 states and 41939 transitions. [2019-09-08 16:36:21,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 16:36:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29669 states and 41939 transitions. [2019-09-08 16:36:21,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2019-09-08 16:36:21,254 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:21,255 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 28, 28, 28, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:36:21,255 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:21,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:21,256 INFO L82 PathProgramCache]: Analyzing trace with hash 967693514, now seen corresponding path program 1 times [2019-09-08 16:36:21,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:21,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:21,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:21,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:36:21,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:36:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7322 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7299 trivial. 0 not checked. [2019-09-08 16:36:23,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:36:23,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:36:23,341 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:36:23,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:36:23,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:36:23,342 INFO L87 Difference]: Start difference. First operand 29669 states and 41939 transitions. Second operand 3 states. [2019-09-08 16:36:23,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:23,969 INFO L93 Difference]: Finished difference Result 59369 states and 83981 transitions. [2019-09-08 16:36:23,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:36:23,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1120 [2019-09-08 16:36:23,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:24,108 INFO L225 Difference]: With dead ends: 59369 [2019-09-08 16:36:24,108 INFO L226 Difference]: Without dead ends: 29733 [2019-09-08 16:36:24,197 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:36:24,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29733 states. [2019-09-08 16:36:25,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29733 to 29717. [2019-09-08 16:36:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29717 states. [2019-09-08 16:36:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29717 states to 29717 states and 42011 transitions. [2019-09-08 16:36:25,919 INFO L78 Accepts]: Start accepts. Automaton has 29717 states and 42011 transitions. Word has length 1120 [2019-09-08 16:36:25,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:25,920 INFO L475 AbstractCegarLoop]: Abstraction has 29717 states and 42011 transitions. [2019-09-08 16:36:25,920 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:36:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 29717 states and 42011 transitions. [2019-09-08 16:36:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1115 [2019-09-08 16:36:26,035 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:26,036 INFO L399 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 28, 28, 28, 28, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:36:26,036 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:26,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:26,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1320148756, now seen corresponding path program 1 times [2019-09-08 16:36:26,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:26,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:26,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:26,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:36:26,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:36:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 7395 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7372 trivial. 0 not checked. [2019-09-08 16:36:29,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:36:29,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:36:29,769 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:36:29,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:36:29,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:36:29,770 INFO L87 Difference]: Start difference. First operand 29717 states and 42011 transitions. Second operand 6 states. [2019-09-08 16:36:32,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:32,387 INFO L93 Difference]: Finished difference Result 72487 states and 102465 transitions. [2019-09-08 16:36:32,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 16:36:32,388 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1114 [2019-09-08 16:36:32,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:32,592 INFO L225 Difference]: With dead ends: 72487 [2019-09-08 16:36:32,592 INFO L226 Difference]: Without dead ends: 42803 [2019-09-08 16:36:32,714 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-08 16:36:32,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42803 states. [2019-09-08 16:36:34,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42803 to 29751. [2019-09-08 16:36:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29751 states. [2019-09-08 16:36:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29751 states to 29751 states and 42055 transitions. [2019-09-08 16:36:34,215 INFO L78 Accepts]: Start accepts. Automaton has 29751 states and 42055 transitions. Word has length 1114 [2019-09-08 16:36:34,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:34,217 INFO L475 AbstractCegarLoop]: Abstraction has 29751 states and 42055 transitions. [2019-09-08 16:36:34,217 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:36:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 29751 states and 42055 transitions. [2019-09-08 16:36:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1288 [2019-09-08 16:36:34,254 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:34,255 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 32, 32, 32, 32, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:36:34,255 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:34,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:34,256 INFO L82 PathProgramCache]: Analyzing trace with hash -8137555, now seen corresponding path program 1 times [2019-09-08 16:36:34,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:34,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:34,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:34,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:36:34,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:36:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9325 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9285 trivial. 0 not checked. [2019-09-08 16:36:36,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:36:36,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:36:36,210 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:36:36,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:36:36,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:36:36,210 INFO L87 Difference]: Start difference. First operand 29751 states and 42055 transitions. Second operand 5 states. [2019-09-08 16:36:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:36,794 INFO L93 Difference]: Finished difference Result 59549 states and 84720 transitions. [2019-09-08 16:36:36,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:36:36,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1287 [2019-09-08 16:36:36,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:36,927 INFO L225 Difference]: With dead ends: 59549 [2019-09-08 16:36:36,927 INFO L226 Difference]: Without dead ends: 29831 [2019-09-08 16:36:37,024 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:36:37,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29831 states. [2019-09-08 16:36:38,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29831 to 29807. [2019-09-08 16:36:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29807 states. [2019-09-08 16:36:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29807 states to 29807 states and 42157 transitions. [2019-09-08 16:36:38,466 INFO L78 Accepts]: Start accepts. Automaton has 29807 states and 42157 transitions. Word has length 1287 [2019-09-08 16:36:38,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:38,468 INFO L475 AbstractCegarLoop]: Abstraction has 29807 states and 42157 transitions. [2019-09-08 16:36:38,468 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:36:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 29807 states and 42157 transitions. [2019-09-08 16:36:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2019-09-08 16:36:38,518 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:38,520 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 32, 32, 32, 32, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:36:38,521 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:38,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:38,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1429234221, now seen corresponding path program 1 times [2019-09-08 16:36:38,521 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:38,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:38,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:38,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:36:38,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:36:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9325 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9290 trivial. 0 not checked. [2019-09-08 16:36:41,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:36:41,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 16:36:41,306 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 16:36:41,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 16:36:41,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 16:36:41,307 INFO L87 Difference]: Start difference. First operand 29807 states and 42157 transitions. Second operand 4 states. [2019-09-08 16:36:42,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:42,035 INFO L93 Difference]: Finished difference Result 59849 states and 84793 transitions. [2019-09-08 16:36:42,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:36:42,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1292 [2019-09-08 16:36:42,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:42,189 INFO L225 Difference]: With dead ends: 59849 [2019-09-08 16:36:42,190 INFO L226 Difference]: Without dead ends: 29907 [2019-09-08 16:36:42,289 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:36:42,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29907 states. [2019-09-08 16:36:44,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29907 to 29907. [2019-09-08 16:36:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29907 states. [2019-09-08 16:36:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29907 states to 29907 states and 42285 transitions. [2019-09-08 16:36:44,141 INFO L78 Accepts]: Start accepts. Automaton has 29907 states and 42285 transitions. Word has length 1292 [2019-09-08 16:36:44,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:44,142 INFO L475 AbstractCegarLoop]: Abstraction has 29907 states and 42285 transitions. [2019-09-08 16:36:44,142 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 16:36:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 29907 states and 42285 transitions. [2019-09-08 16:36:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1293 [2019-09-08 16:36:44,179 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:44,180 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 32, 32, 32, 32, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:36:44,180 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:44,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:44,180 INFO L82 PathProgramCache]: Analyzing trace with hash 741481429, now seen corresponding path program 1 times [2019-09-08 16:36:44,180 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:44,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:44,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:44,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:36:44,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:36:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 9325 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9302 trivial. 0 not checked. [2019-09-08 16:36:47,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:36:47,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 16:36:47,850 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:36:47,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:36:47,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:36:47,851 INFO L87 Difference]: Start difference. First operand 29907 states and 42285 transitions. Second operand 8 states. [2019-09-08 16:36:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:48,570 INFO L93 Difference]: Finished difference Result 59813 states and 84601 transitions. [2019-09-08 16:36:48,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:36:48,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1292 [2019-09-08 16:36:48,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:48,717 INFO L225 Difference]: With dead ends: 59813 [2019-09-08 16:36:48,717 INFO L226 Difference]: Without dead ends: 29939 [2019-09-08 16:36:48,814 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:36:48,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29939 states. [2019-09-08 16:36:50,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29939 to 29939. [2019-09-08 16:36:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29939 states. [2019-09-08 16:36:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29939 states to 29939 states and 42321 transitions. [2019-09-08 16:36:50,147 INFO L78 Accepts]: Start accepts. Automaton has 29939 states and 42321 transitions. Word has length 1292 [2019-09-08 16:36:50,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:50,147 INFO L475 AbstractCegarLoop]: Abstraction has 29939 states and 42321 transitions. [2019-09-08 16:36:50,147 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:36:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 29939 states and 42321 transitions. [2019-09-08 16:36:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1300 [2019-09-08 16:36:50,182 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:50,182 INFO L399 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 32, 32, 32, 32, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:36:50,183 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:50,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:50,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1864241747, now seen corresponding path program 1 times [2019-09-08 16:36:50,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:50,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:50,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:50,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:36:50,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:36:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9236 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9213 trivial. 0 not checked. [2019-09-08 16:36:52,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:36:52,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 16:36:52,427 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 16:36:52,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 16:36:52,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:36:52,428 INFO L87 Difference]: Start difference. First operand 29939 states and 42321 transitions. Second operand 8 states. [2019-09-08 16:36:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:53,139 INFO L93 Difference]: Finished difference Result 59885 states and 84681 transitions. [2019-09-08 16:36:53,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 16:36:53,139 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1299 [2019-09-08 16:36:53,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:53,253 INFO L225 Difference]: With dead ends: 59885 [2019-09-08 16:36:53,254 INFO L226 Difference]: Without dead ends: 29979 [2019-09-08 16:36:53,326 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 16:36:53,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29979 states. [2019-09-08 16:36:54,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29979 to 29959. [2019-09-08 16:36:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29959 states. [2019-09-08 16:36:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29959 states to 29959 states and 42341 transitions. [2019-09-08 16:36:54,442 INFO L78 Accepts]: Start accepts. Automaton has 29959 states and 42341 transitions. Word has length 1299 [2019-09-08 16:36:54,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:54,443 INFO L475 AbstractCegarLoop]: Abstraction has 29959 states and 42341 transitions. [2019-09-08 16:36:54,443 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 16:36:54,443 INFO L276 IsEmpty]: Start isEmpty. Operand 29959 states and 42341 transitions. [2019-09-08 16:36:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1357 [2019-09-08 16:36:54,501 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:54,502 INFO L399 BasicCegarLoop]: trace histogram [36, 36, 36, 36, 34, 34, 34, 34, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 14, 14, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:36:54,502 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:54,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:54,503 INFO L82 PathProgramCache]: Analyzing trace with hash 792967829, now seen corresponding path program 1 times [2019-09-08 16:36:54,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:54,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:54,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:54,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:36:54,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:36:58,041 INFO L134 CoverageAnalysis]: Checked inductivity of 10498 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10475 trivial. 0 not checked. [2019-09-08 16:36:58,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:36:58,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:36:58,044 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:36:58,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:36:58,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:36:58,045 INFO L87 Difference]: Start difference. First operand 29959 states and 42341 transitions. Second operand 5 states. [2019-09-08 16:36:58,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:36:58,690 INFO L93 Difference]: Finished difference Result 59885 states and 84653 transitions. [2019-09-08 16:36:58,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:36:58,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1356 [2019-09-08 16:36:58,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:36:58,792 INFO L225 Difference]: With dead ends: 59885 [2019-09-08 16:36:58,792 INFO L226 Difference]: Without dead ends: 29959 [2019-09-08 16:36:58,862 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:36:58,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29959 states. [2019-09-08 16:36:59,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29959 to 29959. [2019-09-08 16:36:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29959 states. [2019-09-08 16:36:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29959 states to 29959 states and 42337 transitions. [2019-09-08 16:36:59,892 INFO L78 Accepts]: Start accepts. Automaton has 29959 states and 42337 transitions. Word has length 1356 [2019-09-08 16:36:59,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:36:59,893 INFO L475 AbstractCegarLoop]: Abstraction has 29959 states and 42337 transitions. [2019-09-08 16:36:59,893 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:36:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29959 states and 42337 transitions. [2019-09-08 16:36:59,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1364 [2019-09-08 16:36:59,949 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:36:59,950 INFO L399 BasicCegarLoop]: trace histogram [36, 36, 36, 36, 34, 34, 34, 34, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 14, 14, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:36:59,950 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:36:59,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:36:59,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1442412819, now seen corresponding path program 1 times [2019-09-08 16:36:59,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:36:59,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:36:59,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:36:59,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:36:59,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10399 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10376 trivial. 0 not checked. [2019-09-08 16:37:01,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:01,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:37:01,563 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:37:01,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:37:01,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:01,564 INFO L87 Difference]: Start difference. First operand 29959 states and 42337 transitions. Second operand 5 states. [2019-09-08 16:37:02,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:02,396 INFO L93 Difference]: Finished difference Result 59885 states and 84645 transitions. [2019-09-08 16:37:02,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:37:02,396 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1363 [2019-09-08 16:37:02,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:02,506 INFO L225 Difference]: With dead ends: 59885 [2019-09-08 16:37:02,506 INFO L226 Difference]: Without dead ends: 29959 [2019-09-08 16:37:02,597 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:02,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29959 states. [2019-09-08 16:37:03,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29959 to 29959. [2019-09-08 16:37:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29959 states. [2019-09-08 16:37:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29959 states to 29959 states and 42333 transitions. [2019-09-08 16:37:03,605 INFO L78 Accepts]: Start accepts. Automaton has 29959 states and 42333 transitions. Word has length 1363 [2019-09-08 16:37:03,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:03,606 INFO L475 AbstractCegarLoop]: Abstraction has 29959 states and 42333 transitions. [2019-09-08 16:37:03,606 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:37:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 29959 states and 42333 transitions. [2019-09-08 16:37:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2130 [2019-09-08 16:37:03,670 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:03,672 INFO L399 BasicCegarLoop]: trace histogram [63, 63, 63, 63, 62, 62, 62, 62, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:37:03,672 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:03,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:03,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1337945254, now seen corresponding path program 1 times [2019-09-08 16:37:03,673 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:03,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:03,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:03,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:03,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:08,609 INFO L134 CoverageAnalysis]: Checked inductivity of 32927 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 32917 trivial. 0 not checked. [2019-09-08 16:37:08,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:08,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 16:37:08,611 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 16:37:08,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 16:37:08,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:37:08,612 INFO L87 Difference]: Start difference. First operand 29959 states and 42333 transitions. Second operand 3 states. [2019-09-08 16:37:09,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:09,223 INFO L93 Difference]: Finished difference Result 59901 states and 84805 transitions. [2019-09-08 16:37:09,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 16:37:09,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2129 [2019-09-08 16:37:09,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:09,362 INFO L225 Difference]: With dead ends: 59901 [2019-09-08 16:37:09,362 INFO L226 Difference]: Without dead ends: 29975 [2019-09-08 16:37:09,433 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 16:37:09,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29975 states. [2019-09-08 16:37:10,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29975 to 29967. [2019-09-08 16:37:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29967 states. [2019-09-08 16:37:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29967 states to 29967 states and 42341 transitions. [2019-09-08 16:37:10,457 INFO L78 Accepts]: Start accepts. Automaton has 29967 states and 42341 transitions. Word has length 2129 [2019-09-08 16:37:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:10,458 INFO L475 AbstractCegarLoop]: Abstraction has 29967 states and 42341 transitions. [2019-09-08 16:37:10,458 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 16:37:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 29967 states and 42341 transitions. [2019-09-08 16:37:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2132 [2019-09-08 16:37:10,720 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:10,721 INFO L399 BasicCegarLoop]: trace histogram [63, 63, 63, 63, 62, 62, 62, 62, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:37:10,723 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:10,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1588365634, now seen corresponding path program 1 times [2019-09-08 16:37:10,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:10,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:10,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:10,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:10,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 32928 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 32918 trivial. 0 not checked. [2019-09-08 16:37:13,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:13,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:37:13,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:37:13,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:37:13,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:13,604 INFO L87 Difference]: Start difference. First operand 29967 states and 42341 transitions. Second operand 5 states. [2019-09-08 16:37:14,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:14,239 INFO L93 Difference]: Finished difference Result 59911 states and 84669 transitions. [2019-09-08 16:37:14,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:37:14,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 2131 [2019-09-08 16:37:14,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:14,345 INFO L225 Difference]: With dead ends: 59911 [2019-09-08 16:37:14,346 INFO L226 Difference]: Without dead ends: 29977 [2019-09-08 16:37:14,412 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:14,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29977 states. [2019-09-08 16:37:15,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29977 to 29977. [2019-09-08 16:37:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29977 states. [2019-09-08 16:37:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29977 states to 29977 states and 42351 transitions. [2019-09-08 16:37:15,523 INFO L78 Accepts]: Start accepts. Automaton has 29977 states and 42351 transitions. Word has length 2131 [2019-09-08 16:37:15,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:15,525 INFO L475 AbstractCegarLoop]: Abstraction has 29977 states and 42351 transitions. [2019-09-08 16:37:15,525 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:37:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 29977 states and 42351 transitions. [2019-09-08 16:37:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2258 [2019-09-08 16:37:15,576 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:15,577 INFO L399 BasicCegarLoop]: trace histogram [66, 66, 66, 66, 65, 65, 65, 65, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:37:15,578 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:15,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:15,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1011212885, now seen corresponding path program 1 times [2019-09-08 16:37:15,578 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:15,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:15,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:15,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:15,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:20,553 INFO L134 CoverageAnalysis]: Checked inductivity of 35634 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35624 trivial. 0 not checked. [2019-09-08 16:37:20,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:20,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:37:20,555 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:37:20,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:37:20,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:37:20,556 INFO L87 Difference]: Start difference. First operand 29977 states and 42351 transitions. Second operand 6 states. [2019-09-08 16:37:21,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:21,196 INFO L93 Difference]: Finished difference Result 59949 states and 84719 transitions. [2019-09-08 16:37:21,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:37:21,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 2257 [2019-09-08 16:37:21,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:21,299 INFO L225 Difference]: With dead ends: 59949 [2019-09-08 16:37:21,299 INFO L226 Difference]: Without dead ends: 30005 [2019-09-08 16:37:21,361 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:37:21,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30005 states. [2019-09-08 16:37:22,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30005 to 30005. [2019-09-08 16:37:22,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30005 states. [2019-09-08 16:37:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30005 states to 30005 states and 42393 transitions. [2019-09-08 16:37:22,349 INFO L78 Accepts]: Start accepts. Automaton has 30005 states and 42393 transitions. Word has length 2257 [2019-09-08 16:37:22,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:22,351 INFO L475 AbstractCegarLoop]: Abstraction has 30005 states and 42393 transitions. [2019-09-08 16:37:22,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:37:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 30005 states and 42393 transitions. [2019-09-08 16:37:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2288 [2019-09-08 16:37:22,414 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:22,415 INFO L399 BasicCegarLoop]: trace histogram [67, 67, 67, 67, 66, 66, 66, 66, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:37:22,415 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:22,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:22,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1310710313, now seen corresponding path program 1 times [2019-09-08 16:37:22,416 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:22,416 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:22,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:22,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:22,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 36814 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36804 trivial. 0 not checked. [2019-09-08 16:37:25,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:25,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:37:25,850 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:37:25,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:37:25,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:37:25,852 INFO L87 Difference]: Start difference. First operand 30005 states and 42393 transitions. Second operand 6 states. [2019-09-08 16:37:26,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:26,795 INFO L93 Difference]: Finished difference Result 59993 states and 84777 transitions. [2019-09-08 16:37:26,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:37:26,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 2287 [2019-09-08 16:37:26,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:26,893 INFO L225 Difference]: With dead ends: 59993 [2019-09-08 16:37:26,893 INFO L226 Difference]: Without dead ends: 30021 [2019-09-08 16:37:26,944 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 16:37:26,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30021 states. [2019-09-08 16:37:27,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30021 to 30021. [2019-09-08 16:37:27,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30021 states. [2019-09-08 16:37:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30021 states to 30021 states and 42409 transitions. [2019-09-08 16:37:27,905 INFO L78 Accepts]: Start accepts. Automaton has 30021 states and 42409 transitions. Word has length 2287 [2019-09-08 16:37:27,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:27,907 INFO L475 AbstractCegarLoop]: Abstraction has 30021 states and 42409 transitions. [2019-09-08 16:37:27,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:37:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30021 states and 42409 transitions. [2019-09-08 16:37:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2305 [2019-09-08 16:37:27,963 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:27,965 INFO L399 BasicCegarLoop]: trace histogram [67, 67, 67, 67, 66, 66, 66, 66, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:37:27,965 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:27,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:27,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2093446655, now seen corresponding path program 1 times [2019-09-08 16:37:27,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:27,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:27,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:27,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:27,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:33,756 INFO L134 CoverageAnalysis]: Checked inductivity of 36817 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36807 trivial. 0 not checked. [2019-09-08 16:37:33,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:37:33,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 16:37:33,758 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:37:33,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:37:33,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:33,758 INFO L87 Difference]: Start difference. First operand 30021 states and 42409 transitions. Second operand 5 states. [2019-09-08 16:37:34,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:34,381 INFO L93 Difference]: Finished difference Result 60071 states and 84875 transitions. [2019-09-08 16:37:34,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:37:34,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 2304 [2019-09-08 16:37:34,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:34,486 INFO L225 Difference]: With dead ends: 60071 [2019-09-08 16:37:34,487 INFO L226 Difference]: Without dead ends: 30083 [2019-09-08 16:37:34,556 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:34,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30083 states. [2019-09-08 16:37:35,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30083 to 30049. [2019-09-08 16:37:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30049 states. [2019-09-08 16:37:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30049 states to 30049 states and 42439 transitions. [2019-09-08 16:37:35,767 INFO L78 Accepts]: Start accepts. Automaton has 30049 states and 42439 transitions. Word has length 2304 [2019-09-08 16:37:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:35,768 INFO L475 AbstractCegarLoop]: Abstraction has 30049 states and 42439 transitions. [2019-09-08 16:37:35,768 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:37:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 30049 states and 42439 transitions. [2019-09-08 16:37:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2309 [2019-09-08 16:37:35,823 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:35,824 INFO L399 BasicCegarLoop]: trace histogram [67, 67, 67, 67, 66, 66, 66, 66, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:37:35,824 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:35,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:35,825 INFO L82 PathProgramCache]: Analyzing trace with hash 254712644, now seen corresponding path program 1 times [2019-09-08 16:37:35,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:35,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:35,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:35,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:35,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 36817 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 36806 trivial. 0 not checked. [2019-09-08 16:37:39,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:37:39,324 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:37:39,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:43,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 20071 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 16:37:43,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:37:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 36817 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 36613 trivial. 0 not checked. [2019-09-08 16:37:45,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:37:45,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2019-09-08 16:37:45,185 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:37:45,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:37:45,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:37:45,186 INFO L87 Difference]: Start difference. First operand 30049 states and 42439 transitions. Second operand 6 states. [2019-09-08 16:37:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:46,584 INFO L93 Difference]: Finished difference Result 60123 states and 85140 transitions. [2019-09-08 16:37:46,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:37:46,584 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 2308 [2019-09-08 16:37:46,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:46,809 INFO L225 Difference]: With dead ends: 60123 [2019-09-08 16:37:46,809 INFO L226 Difference]: Without dead ends: 30084 [2019-09-08 16:37:46,973 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2312 GetRequests, 2307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:37:47,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30084 states. [2019-09-08 16:37:49,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30084 to 30076. [2019-09-08 16:37:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30076 states. [2019-09-08 16:37:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30076 states to 30076 states and 42466 transitions. [2019-09-08 16:37:49,793 INFO L78 Accepts]: Start accepts. Automaton has 30076 states and 42466 transitions. Word has length 2308 [2019-09-08 16:37:49,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:49,794 INFO L475 AbstractCegarLoop]: Abstraction has 30076 states and 42466 transitions. [2019-09-08 16:37:49,794 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:37:49,795 INFO L276 IsEmpty]: Start isEmpty. Operand 30076 states and 42466 transitions. [2019-09-08 16:37:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2326 [2019-09-08 16:37:49,898 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:49,899 INFO L399 BasicCegarLoop]: trace histogram [69, 69, 69, 69, 67, 67, 67, 67, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:37:49,900 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:49,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:49,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1718738608, now seen corresponding path program 1 times [2019-09-08 16:37:49,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:49,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:49,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:49,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:49,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:50,559 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 16:37:50,560 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 16:37:50,560 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-09-08 16:37:50,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 16:37:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:37:53,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 20245 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 16:37:54,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:37:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 38028 backedges. 203 proven. 1 refuted. 0 times theorem prover too weak. 37824 trivial. 0 not checked. [2019-09-08 16:37:56,612 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:37:56,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-09-08 16:37:56,615 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 16:37:56,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 16:37:56,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 16:37:56,616 INFO L87 Difference]: Start difference. First operand 30076 states and 42466 transitions. Second operand 5 states. [2019-09-08 16:37:57,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:37:57,309 INFO L93 Difference]: Finished difference Result 60152 states and 85161 transitions. [2019-09-08 16:37:57,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 16:37:57,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 2325 [2019-09-08 16:37:57,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:37:57,484 INFO L225 Difference]: With dead ends: 60152 [2019-09-08 16:37:57,485 INFO L226 Difference]: Without dead ends: 30087 [2019-09-08 16:37:57,585 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2325 GetRequests, 2321 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:37:57,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30087 states. [2019-09-08 16:37:58,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30087 to 30087. [2019-09-08 16:37:58,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30087 states. [2019-09-08 16:37:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30087 states to 30087 states and 42477 transitions. [2019-09-08 16:37:58,863 INFO L78 Accepts]: Start accepts. Automaton has 30087 states and 42477 transitions. Word has length 2325 [2019-09-08 16:37:58,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:37:58,863 INFO L475 AbstractCegarLoop]: Abstraction has 30087 states and 42477 transitions. [2019-09-08 16:37:58,863 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:37:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 30087 states and 42477 transitions. [2019-09-08 16:37:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2328 [2019-09-08 16:37:58,933 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:37:58,935 INFO L399 BasicCegarLoop]: trace histogram [69, 69, 69, 69, 67, 67, 67, 67, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:37:58,935 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:37:58,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:37:58,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1832746798, now seen corresponding path program 2 times [2019-09-08 16:37:58,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:37:58,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:37:58,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:58,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:37:58,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:37:59,254 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 16:37:59,254 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 16:37:59,255 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 16:37:59,799 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 16:38:04,493 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 16:38:04,494 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 16:38:04,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 20257 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 16:38:04,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:38:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 38037 backedges. 208 proven. 3 refuted. 0 times theorem prover too weak. 37826 trivial. 0 not checked. [2019-09-08 16:38:09,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 16:38:09,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 16:38:09,228 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:38:09,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:38:09,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:38:09,229 INFO L87 Difference]: Start difference. First operand 30087 states and 42477 transitions. Second operand 6 states. [2019-09-08 16:38:09,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:38:09,835 INFO L93 Difference]: Finished difference Result 60173 states and 85182 transitions. [2019-09-08 16:38:09,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 16:38:09,838 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 2327 [2019-09-08 16:38:09,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:38:09,991 INFO L225 Difference]: With dead ends: 60173 [2019-09-08 16:38:09,991 INFO L226 Difference]: Without dead ends: 30098 [2019-09-08 16:38:10,089 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2327 GetRequests, 2322 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-09-08 16:38:10,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30098 states. [2019-09-08 16:38:11,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30098 to 30098. [2019-09-08 16:38:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30098 states. [2019-09-08 16:38:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30098 states to 30098 states and 42488 transitions. [2019-09-08 16:38:11,512 INFO L78 Accepts]: Start accepts. Automaton has 30098 states and 42488 transitions. Word has length 2327 [2019-09-08 16:38:11,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:38:11,512 INFO L475 AbstractCegarLoop]: Abstraction has 30098 states and 42488 transitions. [2019-09-08 16:38:11,512 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 16:38:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 30098 states and 42488 transitions. [2019-09-08 16:38:11,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2330 [2019-09-08 16:38:11,566 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:38:11,567 INFO L399 BasicCegarLoop]: trace histogram [69, 69, 69, 69, 67, 67, 67, 67, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 16:38:11,567 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:38:11,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:38:11,568 INFO L82 PathProgramCache]: Analyzing trace with hash 967300816, now seen corresponding path program 3 times [2019-09-08 16:38:11,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:38:11,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:38:11,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:11,573 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 16:38:11,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:38:12,027 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-08 16:38:12,028 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-08 16:38:12,028 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-08 16:38:12,063 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2