java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 14:01:04,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 14:01:04,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 14:01:04,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 14:01:04,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 14:01:04,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 14:01:04,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 14:01:04,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 14:01:04,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 14:01:04,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 14:01:04,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 14:01:04,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 14:01:04,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 14:01:04,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 14:01:04,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 14:01:04,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 14:01:04,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 14:01:04,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 14:01:04,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 14:01:04,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 14:01:04,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 14:01:04,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 14:01:04,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 14:01:04,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 14:01:04,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 14:01:04,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 14:01:04,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 14:01:04,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 14:01:04,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 14:01:04,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 14:01:04,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 14:01:04,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 14:01:04,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 14:01:04,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 14:01:04,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 14:01:04,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 14:01:04,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 14:01:04,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 14:01:04,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 14:01:04,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 14:01:04,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 14:01:04,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 14:01:04,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 14:01:04,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 14:01:04,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 14:01:04,423 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 14:01:04,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 14:01:04,424 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 14:01:04,424 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 14:01:04,424 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 14:01:04,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 14:01:04,424 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 14:01:04,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 14:01:04,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 14:01:04,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 14:01:04,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 14:01:04,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 14:01:04,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 14:01:04,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 14:01:04,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 14:01:04,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 14:01:04,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 14:01:04,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 14:01:04,427 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 14:01:04,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 14:01:04,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 14:01:04,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 14:01:04,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 14:01:04,428 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 14:01:04,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 14:01:04,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 14:01:04,429 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 14:01:04,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 14:01:04,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 14:01:04,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 14:01:04,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 14:01:04,474 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 14:01:04,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-09-10 14:01:04,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918eba485/fe3109000eb946698027a722d7c3db5f/FLAG95c0dfd38 [2019-09-10 14:01:05,412 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 14:01:05,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-09-10 14:01:05,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918eba485/fe3109000eb946698027a722d7c3db5f/FLAG95c0dfd38 [2019-09-10 14:01:05,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/918eba485/fe3109000eb946698027a722d7c3db5f [2019-09-10 14:01:05,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 14:01:05,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 14:01:05,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 14:01:05,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 14:01:05,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 14:01:05,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:01:05" (1/1) ... [2019-09-10 14:01:05,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613073af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:05, skipping insertion in model container [2019-09-10 14:01:05,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:01:05" (1/1) ... [2019-09-10 14:01:05,938 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 14:01:06,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 14:01:08,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 14:01:08,127 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 14:01:08,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 14:01:09,162 INFO L192 MainTranslator]: Completed translation [2019-09-10 14:01:09,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09 WrapperNode [2019-09-10 14:01:09,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 14:01:09,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 14:01:09,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 14:01:09,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 14:01:09,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (1/1) ... [2019-09-10 14:01:09,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (1/1) ... [2019-09-10 14:01:09,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (1/1) ... [2019-09-10 14:01:09,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (1/1) ... [2019-09-10 14:01:09,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (1/1) ... [2019-09-10 14:01:09,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (1/1) ... [2019-09-10 14:01:09,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (1/1) ... [2019-09-10 14:01:09,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 14:01:09,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 14:01:09,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 14:01:09,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 14:01:09,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (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 [2019-09-10 14:01:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 14:01:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 14:01:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 14:01:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 14:01:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-10 14:01:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 14:01:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 14:01:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 14:01:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 14:01:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 14:01:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 14:01:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 14:01:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 14:01:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 14:01:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 14:01:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-10 14:01:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-10 14:01:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-10 14:01:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 14:01:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-09-10 14:01:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-09-10 14:01:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-09-10 14:01:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-10 14:01:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-09-10 14:01:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-10 14:01:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 14:01:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 14:01:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-10 14:01:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-09-10 14:01:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_control [2019-09-10 14:01:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-09-10 14:01:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2019-09-10 14:01:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-09-10 14:01:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2019-09-10 14:01:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2019-09-10 14:01:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2019-09-10 14:01:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0state_string [2019-09-10 14:01:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_request [2019-09-10 14:01:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dbgprint_devreq [2019-09-10 14:01:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_seq_ep_show [2019-09-10 14:01:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_seq_show [2019-09-10 14:01:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_open [2019-09-10 14:01:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_create [2019-09-10 14:01:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dfs_delete [2019-09-10 14:01:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_dma_desc [2019-09-10 14:01:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc [2019-09-10 14:01:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_dma_desc_chain [2019-09-10 14:01:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_finish_request [2019-09-10 14:01:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_alloc_request [2019-09-10 14:01:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_start_dma [2019-09-10 14:01:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dma_advance [2019-09-10 14:01:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_abort_dma [2019-09-10 14:01:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_add_dma_desc [2019-09-10 14:01:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_setup_out_desc_list [2019-09-10 14:01:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_setup_in_desc_list [2019-09-10 14:01:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue [2019-09-10 14:01:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_int [2019-09-10 14:01:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_nuke [2019-09-10 14:01:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_reset [2019-09-10 14:01:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_control_stall [2019-09-10 14:01:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_halt_wedge [2019-09-10 14:01:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_ep0state [2019-09-10 14:01:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_disable_interrupts_and_pullup [2019-09-10 14:01:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_stop_activity [2019-09-10 14:01:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_testmode_complete [2019-09-10 14:01:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_dummy_complete [2019-09-10 14:01:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond [2019-09-10 14:01:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_u16 [2019-09-10 14:01:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_respond_empty [2019-09-10 14:01:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_address [2019-09-10 14:01:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_device_request [2019-09-10 14:01:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_interface_request [2019-09-10 14:01:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_endpoint_request [2019-09-10 14:01:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0out_requeue [2019-09-10 14:01:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep0_setup [2019-09-10 14:01:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_connected [2019-09-10 14:01:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_enable_vbus_detect [2019-09-10 14:01:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_vbus_disconnected [2019-09-10 14:01:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_usbreset [2019-09-10 14:01:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_in_ep [2019-09-10 14:01:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_out_ep [2019-09-10 14:01:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_handle_state_changes [2019-09-10 14:01:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq_handler [2019-09-10 14:01:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_irq [2019-09-10 14:01:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_enable [2019-09-10 14:01:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_disable [2019-09-10 14:01:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_free_request [2019-09-10 14:01:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_queue_ext [2019-09-10 14:01:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_dequeue [2019-09-10 14:01:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt_wedge [2019-09-10 14:01:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_halt [2019-09-10 14:01:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_set_wedge [2019-09-10 14:01:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_status [2019-09-10 14:01:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_fifo_flush [2019-09-10 14:01:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_get_frame [2019-09-10 14:01:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_wakeup [2019-09-10 14:01:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_pullup [2019-09-10 14:01:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_start [2019-09-10 14:01:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_stop [2019-09-10 14:01:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_init [2019-09-10 14:01:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_udc_init [2019-09-10 14:01:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_ep_remove [2019-09-10 14:01:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_remove [2019-09-10 14:01:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_request_irq [2019-09-10 14:01:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_probe [2019-09-10 14:01:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_driver_init [2019-09-10 14:01:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure gr_driver_exit [2019-09-10 14:01:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_probe_3 [2019-09-10 14:01:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-09-10 14:01:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-09-10 14:01:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-09-10 14:01:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-09-10 14:01:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-10 14:01:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_3 [2019-09-10 14:01:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-10 14:01:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-09-10 14:01:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-10 14:01:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-10 14:01:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-10 14:01:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_ep_ops_5 [2019-09-10 14:01:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_ops_4 [2019-09-10 14:01:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-09-10 14:01:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 14:01:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-10 14:01:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 14:01:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 14:01:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 14:01:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 14:01:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-09-10 14:01:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 14:01:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_23 [2019-09-10 14:01:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_25 [2019-09-10 14:01:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_26 [2019-09-10 14:01:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___platform_driver_register_27 [2019-09-10 14:01:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_28 [2019-09-10 14:01:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 14:01:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 14:01:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 14:01:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 14:01:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 14:01:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-10 14:01:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-10 14:01:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-10 14:01:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-10 14:01:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-10 14:01:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-10 14:01:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 14:01:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 14:01:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-09-10 14:01:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2019-09-10 14:01:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 14:01:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 14:01:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 14:01:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 14:01:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 14:01:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2019-09-10 14:01:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2019-09-10 14:01:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2019-09-10 14:01:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 14:01:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2019-09-10 14:01:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2019-09-10 14:01:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-09-10 14:01:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-10 14:01:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-10 14:01:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2019-09-10 14:01:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2019-09-10 14:01:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2019-09-10 14:01:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2019-09-10 14:01:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32be [2019-09-10 14:01:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 14:01:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 14:01:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-10 14:01:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2019-09-10 14:01:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2019-09-10 14:01:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2019-09-10 14:01:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2019-09-10 14:01:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2019-09-10 14:01:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2019-09-10 14:01:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2019-09-10 14:01:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2019-09-10 14:01:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2019-09-10 14:01:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2019-09-10 14:01:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_gadget_udc [2019-09-10 14:01:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_del_gadget_udc [2019-09-10 14:01:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_giveback_request [2019-09-10 14:01:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_map_request [2019-09-10 14:01:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_state [2019-09-10 14:01:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unmap_request [2019-09-10 14:01:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_speed_string [2019-09-10 14:01:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_state_string [2019-09-10 14:01:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-10 14:01:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 14:01:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 14:01:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 14:01:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 14:01:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 14:01:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 14:01:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 14:01:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 14:01:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 14:01:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 14:01:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 14:01:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-10 14:01:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-10 14:01:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 14:01:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 14:01:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 14:01:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 14:01:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 14:01:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 14:01:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 14:01:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 14:01:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 14:01:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 14:01:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 14:01:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 14:01:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 14:01:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 14:01:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 14:01:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 14:01:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 14:01:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 14:01:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 14:01:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 14:01:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 14:01:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-10 14:01:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 14:01:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-09-10 14:01:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-10 14:01:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-10 14:01:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-10 14:01:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 14:01:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-10 14:01:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 14:01:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 14:01:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 14:01:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 14:01:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 14:01:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 14:01:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-09-10 14:01:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 14:01:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-09-10 14:01:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 14:01:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-09-10 14:01:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 14:01:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2019-09-10 14:01:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2019-09-10 14:01:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-10 14:01:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 14:01:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-09-10 14:01:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 14:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-10 14:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_probe_3 [2019-09-10 14:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-09-10 14:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-09-10 14:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-09-10 14:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-09-10 14:01:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-10 14:01:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_3 [2019-09-10 14:01:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-10 14:01:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-09-10 14:01:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-10 14:01:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-10 14:01:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-10 14:01:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_ep_ops_5 [2019-09-10 14:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_ops_4 [2019-09-10 14:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-09-10 14:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-09-10 14:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_23 [2019-09-10 14:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_26 [2019-09-10 14:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2019-09-10 14:01:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2019-09-10 14:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2019-09-10 14:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2019-09-10 14:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2019-09-10 14:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2019-09-10 14:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2019-09-10 14:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-09-10 14:01:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2019-09-10 14:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-10 14:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 14:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 14:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 14:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 14:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-10 14:01:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 14:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-09-10 14:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_control [2019-09-10 14:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-09-10 14:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2019-09-10 14:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-09-10 14:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_speed_string [2019-09-10 14:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_state_string [2019-09-10 14:01:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2019-09-10 14:01:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 14:01:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_gadget_udc [2019-09-10 14:01:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_del_gadget_udc [2019-09-10 14:01:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_map_request [2019-09-10 14:01:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unmap_request [2019-09-10 14:01:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_state [2019-09-10 14:01:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_giveback_request [2019-09-10 14:01:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-10 14:01:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-10 14:01:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2019-09-10 14:01:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2019-09-10 14:01:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_25 [2019-09-10 14:01:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2019-09-10 14:01:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2019-09-10 14:01:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2019-09-10 14:01:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2019-09-10 14:01:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2019-09-10 14:01:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2019-09-10 14:01:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2019-09-10 14:01:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___platform_driver_register_27 [2019-09-10 14:01:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2019-09-10 14:01:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_28 [2019-09-10 14:01:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2019-09-10 14:01:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2019-09-10 14:01:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2019-09-10 14:01:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0state_string [2019-09-10 14:01:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 14:01:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_request [2019-09-10 14:01:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dbgprint_devreq [2019-09-10 14:01:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure gr_seq_ep_show [2019-09-10 14:01:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure gr_seq_show [2019-09-10 14:01:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_open [2019-09-10 14:01:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_create [2019-09-10 14:01:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dfs_delete [2019-09-10 14:01:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_dma_desc [2019-09-10 14:01:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc [2019-09-10 14:01:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_dma_desc_chain [2019-09-10 14:01:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_setup [2019-09-10 14:01:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure gr_finish_request [2019-09-10 14:01:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 14:01:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure gr_alloc_request [2019-09-10 14:01:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure gr_start_dma [2019-09-10 14:01:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dma_advance [2019-09-10 14:01:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure gr_abort_dma [2019-09-10 14:01:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure gr_add_dma_desc [2019-09-10 14:01:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure gr_setup_out_desc_list [2019-09-10 14:01:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure gr_setup_in_desc_list [2019-09-10 14:01:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue [2019-09-10 14:01:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_int [2019-09-10 14:01:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_nuke [2019-09-10 14:01:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_reset [2019-09-10 14:01:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure gr_control_stall [2019-09-10 14:01:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_halt_wedge [2019-09-10 14:01:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_ep0state [2019-09-10 14:01:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure gr_disable_interrupts_and_pullup [2019-09-10 14:01:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure gr_stop_activity [2019-09-10 14:01:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_testmode_complete [2019-09-10 14:01:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_dummy_complete [2019-09-10 14:01:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond [2019-09-10 14:01:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_u16 [2019-09-10 14:01:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0_respond_empty [2019-09-10 14:01:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_address [2019-09-10 14:01:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure gr_device_request [2019-09-10 14:01:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure gr_interface_request [2019-09-10 14:01:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure gr_endpoint_request [2019-09-10 14:01:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep0out_requeue [2019-09-10 14:01:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 14:01:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_connected [2019-09-10 14:01:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure gr_enable_vbus_detect [2019-09-10 14:01:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure gr_vbus_disconnected [2019-09-10 14:01:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 14:01:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_usbreset [2019-09-10 14:01:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_in_ep [2019-09-10 14:01:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_out_ep [2019-09-10 14:01:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure gr_handle_state_changes [2019-09-10 14:01:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq_handler [2019-09-10 14:01:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure gr_irq [2019-09-10 14:01:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_enable [2019-09-10 14:01:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_disable [2019-09-10 14:01:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure gr_free_request [2019-09-10 14:01:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure gr_queue_ext [2019-09-10 14:01:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure gr_dequeue [2019-09-10 14:01:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt_wedge [2019-09-10 14:01:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_halt [2019-09-10 14:01:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure gr_set_wedge [2019-09-10 14:01:09,773 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_status [2019-09-10 14:01:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure gr_fifo_flush [2019-09-10 14:01:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure gr_get_frame [2019-09-10 14:01:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure gr_wakeup [2019-09-10 14:01:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure gr_pullup [2019-09-10 14:01:09,774 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_start [2019-09-10 14:01:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_stop [2019-09-10 14:01:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_init [2019-09-10 14:01:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure gr_udc_init [2019-09-10 14:01:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure gr_ep_remove [2019-09-10 14:01:09,775 INFO L130 BoogieDeclarations]: Found specification of procedure gr_remove [2019-09-10 14:01:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure gr_request_irq [2019-09-10 14:01:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure gr_probe [2019-09-10 14:01:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure gr_driver_init [2019-09-10 14:01:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure gr_driver_exit [2019-09-10 14:01:09,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 14:01:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 14:01:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-10 14:01:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 14:01:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 14:01:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 14:01:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 14:01:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-10 14:01:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-10 14:01:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-10 14:01:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-10 14:01:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 14:01:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 14:01:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 14:01:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 14:01:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 14:01:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 14:01:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 14:01:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 14:01:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 14:01:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 14:01:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 14:01:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 14:01:11,275 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 14:01:26,718 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 14:01:26,719 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 14:01:26,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:01:26 BoogieIcfgContainer [2019-09-10 14:01:26,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 14:01:26,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 14:01:26,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 14:01:26,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 14:01:26,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:01:05" (1/3) ... [2019-09-10 14:01:26,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72da5ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:01:26, skipping insertion in model container [2019-09-10 14:01:26,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:01:09" (2/3) ... [2019-09-10 14:01:26,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72da5ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:01:26, skipping insertion in model container [2019-09-10 14:01:26,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:01:26" (3/3) ... [2019-09-10 14:01:26,730 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--gadget--udc--gr_udc.ko-entry_point.cil.out.i [2019-09-10 14:01:26,739 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 14:01:26,754 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 14:01:26,771 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 14:01:26,802 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 14:01:26,802 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 14:01:26,802 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 14:01:26,803 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 14:01:26,803 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 14:01:26,803 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 14:01:26,803 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 14:01:26,803 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 14:01:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states. [2019-09-10 14:01:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-10 14:01:26,902 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:26,904 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:26,906 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:26,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:26,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1024521766, now seen corresponding path program 1 times [2019-09-10 14:01:26,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:26,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:26,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:26,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:26,985 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:28,230 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2019-09-10 14:01:28,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:28,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:01:28,233 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:28,238 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:01:28,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:01:28,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:01:28,261 INFO L87 Difference]: Start difference. First operand 1832 states. Second operand 3 states. [2019-09-10 14:01:30,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:30,767 INFO L93 Difference]: Finished difference Result 3383 states and 4586 transitions. [2019-09-10 14:01:30,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:01:30,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-09-10 14:01:30,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:30,821 INFO L225 Difference]: With dead ends: 3383 [2019-09-10 14:01:30,822 INFO L226 Difference]: Without dead ends: 3318 [2019-09-10 14:01:30,823 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 [2019-09-10 14:01:30,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3318 states. [2019-09-10 14:01:31,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3318 to 3315. [2019-09-10 14:01:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3315 states. [2019-09-10 14:01:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 4496 transitions. [2019-09-10 14:01:31,073 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 4496 transitions. Word has length 152 [2019-09-10 14:01:31,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:31,075 INFO L475 AbstractCegarLoop]: Abstraction has 3315 states and 4496 transitions. [2019-09-10 14:01:31,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:01:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 4496 transitions. [2019-09-10 14:01:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-09-10 14:01:31,086 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:31,087 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:31,087 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:31,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:31,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1084370332, now seen corresponding path program 1 times [2019-09-10 14:01:31,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:31,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:31,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:31,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:31,092 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-10 14:01:31,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:31,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:01:31,841 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:31,843 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:01:31,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:01:31,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:01:31,844 INFO L87 Difference]: Start difference. First operand 3315 states and 4496 transitions. Second operand 5 states. [2019-09-10 14:01:32,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:32,095 INFO L93 Difference]: Finished difference Result 6606 states and 8971 transitions. [2019-09-10 14:01:32,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:01:32,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2019-09-10 14:01:32,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:32,151 INFO L225 Difference]: With dead ends: 6606 [2019-09-10 14:01:32,151 INFO L226 Difference]: Without dead ends: 6606 [2019-09-10 14:01:32,153 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:01:32,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6606 states. [2019-09-10 14:01:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6606 to 6583. [2019-09-10 14:01:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6583 states. [2019-09-10 14:01:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6583 states to 6583 states and 8939 transitions. [2019-09-10 14:01:32,617 INFO L78 Accepts]: Start accepts. Automaton has 6583 states and 8939 transitions. Word has length 230 [2019-09-10 14:01:32,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:32,617 INFO L475 AbstractCegarLoop]: Abstraction has 6583 states and 8939 transitions. [2019-09-10 14:01:32,618 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:01:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 6583 states and 8939 transitions. [2019-09-10 14:01:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-09-10 14:01:32,629 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:32,629 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:32,630 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:32,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:32,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1770728047, now seen corresponding path program 1 times [2019-09-10 14:01:32,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:32,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:32,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:32,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:32,639 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-10 14:01:33,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:33,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:01:33,298 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:33,299 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:01:33,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:01:33,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:01:33,300 INFO L87 Difference]: Start difference. First operand 6583 states and 8939 transitions. Second operand 5 states. [2019-09-10 14:01:33,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:33,523 INFO L93 Difference]: Finished difference Result 9896 states and 13438 transitions. [2019-09-10 14:01:33,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:01:33,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2019-09-10 14:01:33,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:33,591 INFO L225 Difference]: With dead ends: 9896 [2019-09-10 14:01:33,591 INFO L226 Difference]: Without dead ends: 9896 [2019-09-10 14:01:33,592 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:01:33,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9896 states. [2019-09-10 14:01:33,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9896 to 9863. [2019-09-10 14:01:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9863 states. [2019-09-10 14:01:33,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9863 states to 9863 states and 13394 transitions. [2019-09-10 14:01:33,914 INFO L78 Accepts]: Start accepts. Automaton has 9863 states and 13394 transitions. Word has length 231 [2019-09-10 14:01:33,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:33,915 INFO L475 AbstractCegarLoop]: Abstraction has 9863 states and 13394 transitions. [2019-09-10 14:01:33,915 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:01:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 9863 states and 13394 transitions. [2019-09-10 14:01:33,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-09-10 14:01:33,926 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:33,926 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:33,926 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:33,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:33,927 INFO L82 PathProgramCache]: Analyzing trace with hash -523281812, now seen corresponding path program 1 times [2019-09-10 14:01:33,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:33,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:33,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:33,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:33,931 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:34,541 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-10 14:01:34,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:34,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:01:34,543 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:34,543 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:01:34,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:01:34,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:01:34,544 INFO L87 Difference]: Start difference. First operand 9863 states and 13394 transitions. Second operand 5 states. [2019-09-10 14:01:34,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:34,910 INFO L93 Difference]: Finished difference Result 19756 states and 26837 transitions. [2019-09-10 14:01:34,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:01:34,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2019-09-10 14:01:34,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:35,033 INFO L225 Difference]: With dead ends: 19756 [2019-09-10 14:01:35,033 INFO L226 Difference]: Without dead ends: 19756 [2019-09-10 14:01:35,034 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:01:35,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19756 states. [2019-09-10 14:01:35,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19756 to 19693. [2019-09-10 14:01:35,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19693 states. [2019-09-10 14:01:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19693 states to 19693 states and 26745 transitions. [2019-09-10 14:01:35,799 INFO L78 Accepts]: Start accepts. Automaton has 19693 states and 26745 transitions. Word has length 233 [2019-09-10 14:01:35,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:35,799 INFO L475 AbstractCegarLoop]: Abstraction has 19693 states and 26745 transitions. [2019-09-10 14:01:35,799 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:01:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 19693 states and 26745 transitions. [2019-09-10 14:01:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-09-10 14:01:35,816 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:35,817 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:35,817 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:35,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:35,818 INFO L82 PathProgramCache]: Analyzing trace with hash 2142159111, now seen corresponding path program 1 times [2019-09-10 14:01:35,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:35,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:35,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:35,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:35,822 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-10 14:01:36,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:36,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:01:36,439 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:36,439 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:01:36,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:01:36,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:01:36,440 INFO L87 Difference]: Start difference. First operand 19693 states and 26745 transitions. Second operand 5 states. [2019-09-10 14:01:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:36,788 INFO L93 Difference]: Finished difference Result 26354 states and 35783 transitions. [2019-09-10 14:01:36,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:01:36,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-09-10 14:01:36,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:36,937 INFO L225 Difference]: With dead ends: 26354 [2019-09-10 14:01:36,937 INFO L226 Difference]: Without dead ends: 26354 [2019-09-10 14:01:36,938 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:01:36,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26354 states. [2019-09-10 14:01:37,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26354 to 26279. [2019-09-10 14:01:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26279 states. [2019-09-10 14:01:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26279 states to 26279 states and 35685 transitions. [2019-09-10 14:01:37,772 INFO L78 Accepts]: Start accepts. Automaton has 26279 states and 35685 transitions. Word has length 232 [2019-09-10 14:01:37,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:37,773 INFO L475 AbstractCegarLoop]: Abstraction has 26279 states and 35685 transitions. [2019-09-10 14:01:37,773 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:01:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 26279 states and 35685 transitions. [2019-09-10 14:01:37,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-09-10 14:01:37,789 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:37,789 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:37,790 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:37,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:37,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1465652558, now seen corresponding path program 1 times [2019-09-10 14:01:37,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:37,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:37,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:37,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:37,795 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-10 14:01:39,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:39,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:01:39,632 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:39,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:01:39,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:01:39,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:01:39,633 INFO L87 Difference]: Start difference. First operand 26279 states and 35685 transitions. Second operand 5 states. [2019-09-10 14:01:39,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:39,998 INFO L93 Difference]: Finished difference Result 32892 states and 44643 transitions. [2019-09-10 14:01:39,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:01:39,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2019-09-10 14:01:40,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:40,177 INFO L225 Difference]: With dead ends: 32892 [2019-09-10 14:01:40,180 INFO L226 Difference]: Without dead ends: 32892 [2019-09-10 14:01:40,181 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:01:40,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32892 states. [2019-09-10 14:01:41,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32892 to 32817. [2019-09-10 14:01:41,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32817 states. [2019-09-10 14:01:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32817 states to 32817 states and 44545 transitions. [2019-09-10 14:01:41,128 INFO L78 Accepts]: Start accepts. Automaton has 32817 states and 44545 transitions. Word has length 233 [2019-09-10 14:01:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:41,129 INFO L475 AbstractCegarLoop]: Abstraction has 32817 states and 44545 transitions. [2019-09-10 14:01:41,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:01:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 32817 states and 44545 transitions. [2019-09-10 14:01:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-10 14:01:41,145 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:41,145 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:41,145 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:41,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:41,146 INFO L82 PathProgramCache]: Analyzing trace with hash -796345726, now seen corresponding path program 1 times [2019-09-10 14:01:41,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:41,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:41,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:41,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:41,149 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:42,093 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-10 14:01:42,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:42,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:01:42,094 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:42,094 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:01:42,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:01:42,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:01:42,096 INFO L87 Difference]: Start difference. First operand 32817 states and 44545 transitions. Second operand 5 states. [2019-09-10 14:01:42,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:42,406 INFO L93 Difference]: Finished difference Result 32977 states and 44715 transitions. [2019-09-10 14:01:42,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:01:42,407 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2019-09-10 14:01:42,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:42,534 INFO L225 Difference]: With dead ends: 32977 [2019-09-10 14:01:42,534 INFO L226 Difference]: Without dead ends: 32977 [2019-09-10 14:01:42,535 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:01:42,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32977 states. [2019-09-10 14:01:43,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32977 to 32857. [2019-09-10 14:01:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32857 states. [2019-09-10 14:01:43,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32857 states to 32857 states and 44565 transitions. [2019-09-10 14:01:43,452 INFO L78 Accepts]: Start accepts. Automaton has 32857 states and 44565 transitions. Word has length 234 [2019-09-10 14:01:43,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:43,453 INFO L475 AbstractCegarLoop]: Abstraction has 32857 states and 44565 transitions. [2019-09-10 14:01:43,453 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:01:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 32857 states and 44565 transitions. [2019-09-10 14:01:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-09-10 14:01:43,469 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:43,469 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:43,470 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:43,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:43,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1386302063, now seen corresponding path program 1 times [2019-09-10 14:01:43,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:43,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:43,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:43,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:43,474 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:43,971 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-10 14:01:43,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:43,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:01:43,972 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:43,972 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:01:43,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:01:43,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:01:43,973 INFO L87 Difference]: Start difference. First operand 32857 states and 44565 transitions. Second operand 5 states. [2019-09-10 14:01:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:44,230 INFO L93 Difference]: Finished difference Result 33017 states and 44715 transitions. [2019-09-10 14:01:44,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:01:44,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 235 [2019-09-10 14:01:44,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:44,353 INFO L225 Difference]: With dead ends: 33017 [2019-09-10 14:01:44,354 INFO L226 Difference]: Without dead ends: 33017 [2019-09-10 14:01:44,354 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:01:44,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33017 states. [2019-09-10 14:01:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33017 to 32897. [2019-09-10 14:01:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32897 states. [2019-09-10 14:01:45,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32897 states to 32897 states and 44585 transitions. [2019-09-10 14:01:45,344 INFO L78 Accepts]: Start accepts. Automaton has 32897 states and 44585 transitions. Word has length 235 [2019-09-10 14:01:45,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:45,344 INFO L475 AbstractCegarLoop]: Abstraction has 32897 states and 44585 transitions. [2019-09-10 14:01:45,344 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:01:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32897 states and 44585 transitions. [2019-09-10 14:01:45,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-09-10 14:01:45,361 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:45,361 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:01:45,361 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:45,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:45,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1908365979, now seen corresponding path program 1 times [2019-09-10 14:01:45,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:45,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:45,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:45,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:45,365 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-09-10 14:01:45,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:01:45,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:01:45,922 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:45,922 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:01:45,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:01:45,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:01:45,923 INFO L87 Difference]: Start difference. First operand 32897 states and 44585 transitions. Second operand 5 states. [2019-09-10 14:01:46,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:46,175 INFO L93 Difference]: Finished difference Result 32463 states and 43861 transitions. [2019-09-10 14:01:46,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:01:46,175 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2019-09-10 14:01:46,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:46,299 INFO L225 Difference]: With dead ends: 32463 [2019-09-10 14:01:46,299 INFO L226 Difference]: Without dead ends: 32463 [2019-09-10 14:01:46,300 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:01:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32463 states. [2019-09-10 14:01:46,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32463 to 32373. [2019-09-10 14:01:46,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32373 states. [2019-09-10 14:01:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32373 states to 32373 states and 43771 transitions. [2019-09-10 14:01:47,006 INFO L78 Accepts]: Start accepts. Automaton has 32373 states and 43771 transitions. Word has length 236 [2019-09-10 14:01:47,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:47,006 INFO L475 AbstractCegarLoop]: Abstraction has 32373 states and 43771 transitions. [2019-09-10 14:01:47,007 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:01:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32373 states and 43771 transitions. [2019-09-10 14:01:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-09-10 14:01:47,023 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:01:47,024 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-09-10 14:01:47,024 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:01:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:47,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1700052822, now seen corresponding path program 1 times [2019-09-10 14:01:47,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:01:47,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:47,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:01:47,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:01:47,030 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:01:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:01:47,976 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-10 14:01:47,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 14:01:47,977 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 14:01:47,978 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2019-09-10 14:01:47,980 INFO L207 CegarAbsIntRunner]: [106], [109], [114], [118], [121], [133], [139], [144], [147], [151], [155], [157], [161], [164], [198], [204], [205], [402], [403], [503], [704], [706], [709], [713], [754], [760], [761], [814], [815], [989], [995], [1542], [1543], [1552], [1553], [1554], [1556], [1561], [1588], [1593], [1595], [1600], [1604], [1606], [1609], [1620], [1623], [1678], [1682], [1791], [1794], [1838], [1846], [1903], [1904], [1905], [1907], [1908], [1909], [1918], [1940], [1942], [1943], [1953], [1955], [1957], [1959], [1961], [1964], [1966], [1968], [1970], [1972], [1974], [1976], [1978], [2056], [2141], [2144], [2147], [2478], [2481], [2505], [2508], [2511], [2527], [2529], [2530], [2720], [2724], [2728], [2731], [2735], [2738], [2744], [2747], [2753], [3032], [3139], [3142], [3144], [3177], [3614], [3615], [3618], [3619], [3622], [3623], [3624], [3625], [3626], [3742], [3800], [3980], [3981], [3986], [3987], [3988], [4004], [4038], [4054], [4058], [4059], [4060], [4066], [4068], [4069], [4072], [4073], [4074], [4075], [4076], [4077], [4078], [4079], [4080], [4081], [4082], [4083], [4084], [4085], [4086], [4087], [4088], [4089], [4090], [4091], [4092], [4093], [4094], [4095], [4118], [4119], [4174], [4226], [4326], [4362], [4363], [4434], [4435], [4436] [2019-09-10 14:01:48,053 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 14:01:48,053 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 14:01:48,588 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 14:01:48,591 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 593 root evaluator evaluations with a maximum evaluation depth of 0. Performed 593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1084 variables. [2019-09-10 14:01:48,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:01:48,596 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 14:01:48,786 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 14:01:48,786 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 14:01:48,797 INFO L420 sIntCurrentIteration]: We unified 246 AI predicates to 246 [2019-09-10 14:01:48,797 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 14:01:48,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 14:01:48,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2019-09-10 14:01:48,799 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:01:48,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 14:01:48,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 14:01:48,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 14:01:48,803 INFO L87 Difference]: Start difference. First operand 32373 states and 43771 transitions. Second operand 2 states. [2019-09-10 14:01:48,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:01:48,804 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 14:01:48,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 14:01:48,804 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 247 [2019-09-10 14:01:48,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:01:48,805 INFO L225 Difference]: With dead ends: 2 [2019-09-10 14:01:48,805 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 14:01:48,808 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 14:01:48,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 14:01:48,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 14:01:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 14:01:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 14:01:48,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2019-09-10 14:01:48,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:01:48,809 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 14:01:48,809 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 14:01:48,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 14:01:48,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 14:01:48,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:01:48 BoogieIcfgContainer [2019-09-10 14:01:48,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 14:01:48,822 INFO L168 Benchmark]: Toolchain (without parser) took 42896.51 ms. Allocated memory was 133.7 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 78.3 MB in the beginning and 1.0 GB in the end (delta: -965.6 MB). Peak memory consumption was 535.4 MB. Max. memory is 7.1 GB. [2019-09-10 14:01:48,823 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 14:01:48,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3241.29 ms. Allocated memory was 133.7 MB in the beginning and 262.1 MB in the end (delta: 128.5 MB). Free memory was 78.1 MB in the beginning and 88.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2019-09-10 14:01:48,830 INFO L168 Benchmark]: Boogie Preprocessor took 470.61 ms. Allocated memory was 262.1 MB in the beginning and 270.0 MB in the end (delta: 7.9 MB). Free memory was 88.6 MB in the beginning and 187.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-09-10 14:01:48,839 INFO L168 Benchmark]: RCFGBuilder took 17086.54 ms. Allocated memory was 270.0 MB in the beginning and 891.8 MB in the end (delta: 621.8 MB). Free memory was 187.6 MB in the beginning and 657.6 MB in the end (delta: -469.9 MB). Peak memory consumption was 678.3 MB. Max. memory is 7.1 GB. [2019-09-10 14:01:48,840 INFO L168 Benchmark]: TraceAbstraction took 22093.37 ms. Allocated memory was 891.8 MB in the beginning and 1.6 GB in the end (delta: 742.9 MB). Free memory was 657.6 MB in the beginning and 1.0 GB in the end (delta: -386.4 MB). Peak memory consumption was 356.5 MB. Max. memory is 7.1 GB. [2019-09-10 14:01:48,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3241.29 ms. Allocated memory was 133.7 MB in the beginning and 262.1 MB in the end (delta: 128.5 MB). Free memory was 78.1 MB in the beginning and 88.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 470.61 ms. Allocated memory was 262.1 MB in the beginning and 270.0 MB in the end (delta: 7.9 MB). Free memory was 88.6 MB in the beginning and 187.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 17086.54 ms. Allocated memory was 270.0 MB in the beginning and 891.8 MB in the end (delta: 621.8 MB). Free memory was 187.6 MB in the beginning and 657.6 MB in the end (delta: -469.9 MB). Peak memory consumption was 678.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22093.37 ms. Allocated memory was 891.8 MB in the beginning and 1.6 GB in the end (delta: 742.9 MB). Free memory was 657.6 MB in the beginning and 1.0 GB in the end (delta: -386.4 MB). Peak memory consumption was 356.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7151]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 196 procedures, 1930 locations, 1 error locations. SAFE Result, 22.0s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23961 SDtfs, 20900 SDslu, 56154 SDs, 0 SdLazy, 253 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32897occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 4.414634146341464 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 602 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 2263 NumberOfCodeBlocks, 2263 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2253 ConstructedInterpolants, 0 QuantifiedInterpolants, 695471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 2518/2522 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...