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-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 11:34:12,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 11:34:12,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 11:34:12,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 11:34:12,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 11:34:12,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 11:34:12,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 11:34:12,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 11:34:12,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 11:34:12,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 11:34:12,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 11:34:12,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 11:34:12,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 11:34:12,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 11:34:12,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 11:34:12,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 11:34:12,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 11:34:12,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 11:34:12,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 11:34:12,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 11:34:12,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 11:34:12,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 11:34:12,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 11:34:12,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 11:34:12,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 11:34:12,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 11:34:12,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 11:34:12,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 11:34:12,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 11:34:12,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 11:34:12,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 11:34:12,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 11:34:12,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 11:34:12,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 11:34:12,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 11:34:12,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 11:34:12,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 11:34:12,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 11:34:12,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 11:34:12,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 11:34:12,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 11:34:12,862 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 11:34:12,897 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 11:34:12,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 11:34:12,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 11:34:12,899 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 11:34:12,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 11:34:12,900 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 11:34:12,900 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 11:34:12,901 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 11:34:12,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 11:34:12,901 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 11:34:12,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 11:34:12,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 11:34:12,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 11:34:12,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 11:34:12,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 11:34:12,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 11:34:12,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 11:34:12,906 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 11:34:12,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 11:34:12,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 11:34:12,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 11:34:12,907 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 11:34:12,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 11:34:12,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 11:34:12,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 11:34:12,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 11:34:12,908 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 11:34:12,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 11:34:12,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 11:34:12,909 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 11:34:12,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 11:34:12,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 11:34:13,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 11:34:13,003 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 11:34:13,004 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 11:34:13,005 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:13,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a9a1813/935d1fcc1c9b497086512f79747644ea/FLAG6e888ba49 [2019-09-10 11:34:13,892 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 11:34:13,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:13,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a9a1813/935d1fcc1c9b497086512f79747644ea/FLAG6e888ba49 [2019-09-10 11:34:14,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a9a1813/935d1fcc1c9b497086512f79747644ea [2019-09-10 11:34:14,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 11:34:14,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 11:34:14,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 11:34:14,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 11:34:14,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 11:34:14,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:34:14" (1/1) ... [2019-09-10 11:34:14,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2132db2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:14, skipping insertion in model container [2019-09-10 11:34:14,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 11:34:14" (1/1) ... [2019-09-10 11:34:14,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 11:34:14,570 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 11:34:16,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:34:16,392 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 11:34:16,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 11:34:16,994 INFO L192 MainTranslator]: Completed translation [2019-09-10 11:34:16,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16 WrapperNode [2019-09-10 11:34:16,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 11:34:16,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 11:34:16,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 11:34:16,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 11:34:17,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (1/1) ... [2019-09-10 11:34:17,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (1/1) ... [2019-09-10 11:34:17,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (1/1) ... [2019-09-10 11:34:17,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (1/1) ... [2019-09-10 11:34:17,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (1/1) ... [2019-09-10 11:34:17,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (1/1) ... [2019-09-10 11:34:17,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (1/1) ... [2019-09-10 11:34:17,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 11:34:17,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 11:34:17,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 11:34:17,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 11:34:17,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (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 11:34:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 11:34:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 11:34:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-10 11:34:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 11:34:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-10 11:34:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2019-09-10 11:34:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-10 11:34:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2019-09-10 11:34:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-10 11:34:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-10 11:34:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-10 11:34:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-10 11:34:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 11:34:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-10 11:34:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-10 11:34:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2019-09-10 11:34:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-09-10 11:34:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-09-10 11:34:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 11:34:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 11:34:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 11:34:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 11:34:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 11:34:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 11:34:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 11:34:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 11:34:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-10 11:34:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-10 11:34:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 11:34:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 11:34:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 11:34:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 11:34:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 11:34:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-10 11:34:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-10 11:34:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 11:34:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 11:34:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2019-09-10 11:34:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-09-10 11:34:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2019-09-10 11:34:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2019-09-10 11:34:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2019-09-10 11:34:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_alloc_request [2019-09-10 11:34:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2019-09-10 11:34:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2019-09-10 11:34:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2019-09-10 11:34:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2019-09-10 11:34:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_set_selfpowered [2019-09-10 11:34:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2019-09-10 11:34:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_controller_number [2019-09-10 11:34:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure utf8_to_utf16le [2019-09-10 11:34:17,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_get_string [2019-09-10 11:34:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_descriptor_fillbuf [2019-09-10 11:34:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_config_buf [2019-09-10 11:34:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_copy_descriptors [2019-09-10 11:34:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_endpoint [2019-09-10 11:34:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_matches [2019-09-10 11:34:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2019-09-10 11:34:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig_reset [2019-09-10 11:34:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2019-09-10 11:34:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2019-09-10 11:34:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2019-09-10 11:34:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2019-09-10 11:34:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2019-09-10 11:34:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2019-09-10 11:34:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2019-09-10 11:34:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_read [2019-09-10 11:34:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2019-09-10 11:34:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2019-09-10 11:34:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2019-09-10 11:34:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_ioctl [2019-09-10 11:34:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2019-09-10 11:34:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2019-09-10 11:34:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_set_config [2019-09-10 11:34:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure config_buf [2019-09-10 11:34:17,409 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2019-09-10 11:34:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2019-09-10 11:34:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2019-09-10 11:34:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2019-09-10 11:34:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_disconnect [2019-09-10 11:34:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2019-09-10 11:34:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2019-09-10 11:34:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-10 11:34:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 11:34:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_gadget_driver_1 [2019-09-10 11:34:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-09-10 11:34:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 11:34:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-10 11:34:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 11:34:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_7 [2019-09-10 11:34:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_8 [2019-09-10 11:34:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_chrdev_region_9 [2019-09-10 11:34:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_10 [2019-09-10 11:34:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_gadget_register_driver_11 [2019-09-10 11:34:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_12 [2019-09-10 11:34:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region_13 [2019-09-10 11:34:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_class_destroy_14 [2019-09-10 11:34:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region_15 [2019-09-10 11:34:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_gadget_unregister_driver_16 [2019-09-10 11:34:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 11:34:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-10 11:34:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 11:34:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 11:34:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 11:34:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 11:34:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_create_class [2019-09-10 11:34:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_class [2019-09-10 11:34:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2019-09-10 11:34:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev [2019-09-10 11:34:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_region [2019-09-10 11:34:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2019-09-10 11:34:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_usb_gadget [2019-09-10 11:34:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_usb_gadget [2019-09-10 11:34:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 11:34:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 11:34:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 11:34:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 11:34:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 11:34:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 11:34:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 11:34:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 11:34:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 11:34:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-10 11:34:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 11:34:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 11:34:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2019-09-10 11:34:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-09-10 11:34:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-09-10 11:34:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-09-10 11:34:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-09-10 11:34:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 11:34:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 11:34:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 11:34:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-10 11:34:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-09-10 11:34:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-09-10 11:34:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 11:34:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 11:34:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-10 11:34:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-10 11:34:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-10 11:34:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 11:34:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-09-10 11:34:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 11:34:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-10 11:34:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-09-10 11:34:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-10 11:34:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2019-09-10 11:34:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_register_driver [2019-09-10 11:34:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_unregister_driver [2019-09-10 11:34:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-10 11:34:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 11:34:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-09-10 11:34:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 11:34:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 11:34:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 11:34:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 11:34:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 11:34:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 11:34:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_prefetch [2019-09-10 11:34:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 11:34:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-10 11:34:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-10 11:34:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 11:34:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-10 11:34:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-09-10 11:34:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 11:34:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 11:34:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 11:34:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 11:34:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_create_class [2019-09-10 11:34:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2019-09-10 11:34:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_region [2019-09-10 11:34:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2019-09-10 11:34:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_usb_gadget [2019-09-10 11:34:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_usb_gadget [2019-09-10 11:34:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 11:34:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-10 11:34:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 11:34:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-10 11:34:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-10 11:34:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-10 11:34:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-09-10 11:34:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-10 11:34:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 11:34:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-10 11:34:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 11:34:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 11:34:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 11:34:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-10 11:34:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 11:34:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-10 11:34:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2019-09-10 11:34:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-10 11:34:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-09-10 11:34:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-09-10 11:34:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 11:34:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 11:34:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-10 11:34:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 11:34:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 11:34:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 11:34:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 11:34:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 11:34:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 11:34:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 11:34:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 11:34:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-09-10 11:34:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 11:34:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-09-10 11:34:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 11:34:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-10 11:34:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 11:34:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 11:34:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 11:34:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 11:34:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 11:34:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 11:34:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 11:34:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 11:34:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 11:34:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 11:34:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 11:34:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 11:34:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 11:34:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 11:34:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-10 11:34:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-10 11:34:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 11:34:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 11:34:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 11:34:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 11:34:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 11:34:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_gadget_driver_1 [2019-09-10 11:34:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-09-10 11:34:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-10 11:34:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-10 11:34:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-10 11:34:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 11:34:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 11:34:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 11:34:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 11:34:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 11:34:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2019-09-10 11:34:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-09-10 11:34:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_10 [2019-09-10 11:34:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_12 [2019-09-10 11:34:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_class_destroy_14 [2019-09-10 11:34:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 11:34:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 11:34:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-09-10 11:34:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-09-10 11:34:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 11:34:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-10 11:34:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2019-09-10 11:34:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_chrdev_region_9 [2019-09-10 11:34:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2019-09-10 11:34:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region_13 [2019-09-10 11:34:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region_15 [2019-09-10 11:34:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-09-10 11:34:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-10 11:34:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-09-10 11:34:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_8 [2019-09-10 11:34:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-09-10 11:34:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-09-10 11:34:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_7 [2019-09-10 11:34:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2019-09-10 11:34:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 11:34:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2019-09-10 11:34:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 11:34:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2019-09-10 11:34:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-10 11:34:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_alloc_request [2019-09-10 11:34:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2019-09-10 11:34:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2019-09-10 11:34:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-09-10 11:34:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2019-09-10 11:34:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~gfp_t~0~TO~int [2019-09-10 11:34:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2019-09-10 11:34:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2019-09-10 11:34:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_set_selfpowered [2019-09-10 11:34:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-10 11:34:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2019-09-10 11:34:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_register_driver [2019-09-10 11:34:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_gadget_register_driver_11 [2019-09-10 11:34:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_unregister_driver [2019-09-10 11:34:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_gadget_unregister_driver_16 [2019-09-10 11:34:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_get_string [2019-09-10 11:34:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_descriptor_fillbuf [2019-09-10 11:34:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_config_buf [2019-09-10 11:34:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_copy_descriptors [2019-09-10 11:34:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_endpoint [2019-09-10 11:34:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2019-09-10 11:34:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig_reset [2019-09-10 11:34:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_controller_number [2019-09-10 11:34:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure utf8_to_utf16le [2019-09-10 11:34:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 11:34:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 11:34:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 11:34:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure ep_matches [2019-09-10 11:34:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2019-09-10 11:34:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2019-09-10 11:34:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2019-09-10 11:34:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2019-09-10 11:34:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2019-09-10 11:34:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2019-09-10 11:34:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2019-09-10 11:34:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure printer_read [2019-09-10 11:34:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 11:34:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2019-09-10 11:34:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2019-09-10 11:34:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2019-09-10 11:34:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure printer_ioctl [2019-09-10 11:34:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2019-09-10 11:34:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2019-09-10 11:34:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure printer_set_config [2019-09-10 11:34:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure config_buf [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure printer_disconnect [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-10 11:34:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 11:34:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 11:34:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 11:34:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 11:34:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 11:34:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-10 11:34:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 11:34:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 11:34:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_class [2019-09-10 11:34:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev [2019-09-10 11:34:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 11:34:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 11:34:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 11:34:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 11:34:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 11:34:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 11:34:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 11:34:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 11:34:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 11:34:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 11:34:18,658 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 11:34:26,965 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 11:34:26,965 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 11:34:26,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:34:26 BoogieIcfgContainer [2019-09-10 11:34:26,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 11:34:26,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 11:34:26,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 11:34:26,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 11:34:26,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 11:34:14" (1/3) ... [2019-09-10 11:34:26,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc0ad48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:34:26, skipping insertion in model container [2019-09-10 11:34:26,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 11:34:16" (2/3) ... [2019-09-10 11:34:26,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc0ad48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 11:34:26, skipping insertion in model container [2019-09-10 11:34:26,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 11:34:26" (3/3) ... [2019-09-10 11:34:26,977 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-10 11:34:26,988 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 11:34:26,999 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 11:34:27,018 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 11:34:27,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 11:34:27,049 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 11:34:27,049 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 11:34:27,049 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 11:34:27,049 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 11:34:27,050 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 11:34:27,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 11:34:27,050 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 11:34:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states. [2019-09-10 11:34:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-10 11:34:27,195 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:27,196 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:27,199 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:27,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:27,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1508044120, now seen corresponding path program 1 times [2019-09-10 11:34:27,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:27,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:27,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:27,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:27,288 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-09-10 11:34:28,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:28,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:34:28,346 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:28,352 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:34:28,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:34:28,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:28,371 INFO L87 Difference]: Start difference. First operand 1534 states. Second operand 3 states. [2019-09-10 11:34:31,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:31,110 INFO L93 Difference]: Finished difference Result 2761 states and 3782 transitions. [2019-09-10 11:34:31,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:34:31,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-09-10 11:34:31,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:31,176 INFO L225 Difference]: With dead ends: 2761 [2019-09-10 11:34:31,176 INFO L226 Difference]: Without dead ends: 2743 [2019-09-10 11:34:31,178 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 11:34:31,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2019-09-10 11:34:31,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2737. [2019-09-10 11:34:31,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2737 states. [2019-09-10 11:34:31,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3750 transitions. [2019-09-10 11:34:31,457 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3750 transitions. Word has length 152 [2019-09-10 11:34:31,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:31,460 INFO L475 AbstractCegarLoop]: Abstraction has 2737 states and 3750 transitions. [2019-09-10 11:34:31,460 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:34:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3750 transitions. [2019-09-10 11:34:31,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-10 11:34:31,473 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:31,473 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:31,474 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:31,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:31,475 INFO L82 PathProgramCache]: Analyzing trace with hash -996254557, now seen corresponding path program 1 times [2019-09-10 11:34:31,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:31,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:31,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:31,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:31,485 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:32,030 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-09-10 11:34:32,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:32,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:34:32,031 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:32,033 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:34:32,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:34:32,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:32,034 INFO L87 Difference]: Start difference. First operand 2737 states and 3750 transitions. Second operand 3 states. [2019-09-10 11:34:32,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:32,166 INFO L93 Difference]: Finished difference Result 5341 states and 7346 transitions. [2019-09-10 11:34:32,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:34:32,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-09-10 11:34:32,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:32,205 INFO L225 Difference]: With dead ends: 5341 [2019-09-10 11:34:32,206 INFO L226 Difference]: Without dead ends: 5340 [2019-09-10 11:34:32,207 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 11:34:32,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5340 states. [2019-09-10 11:34:32,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5340 to 5336. [2019-09-10 11:34:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5336 states. [2019-09-10 11:34:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5336 states to 5336 states and 7342 transitions. [2019-09-10 11:34:32,456 INFO L78 Accepts]: Start accepts. Automaton has 5336 states and 7342 transitions. Word has length 150 [2019-09-10 11:34:32,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:32,457 INFO L475 AbstractCegarLoop]: Abstraction has 5336 states and 7342 transitions. [2019-09-10 11:34:32,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:34:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 5336 states and 7342 transitions. [2019-09-10 11:34:32,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-10 11:34:32,460 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:32,460 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:32,461 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:32,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:32,461 INFO L82 PathProgramCache]: Analyzing trace with hash -821337572, now seen corresponding path program 1 times [2019-09-10 11:34:32,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:32,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:32,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:32,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:32,466 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-09-10 11:34:33,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:33,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 11:34:33,712 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:33,713 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 11:34:33,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 11:34:33,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 11:34:33,714 INFO L87 Difference]: Start difference. First operand 5336 states and 7342 transitions. Second operand 3 states. [2019-09-10 11:34:33,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:33,932 INFO L93 Difference]: Finished difference Result 10572 states and 14565 transitions. [2019-09-10 11:34:33,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 11:34:33,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2019-09-10 11:34:33,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:34,029 INFO L225 Difference]: With dead ends: 10572 [2019-09-10 11:34:34,029 INFO L226 Difference]: Without dead ends: 10572 [2019-09-10 11:34:34,030 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 11:34:34,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10572 states. [2019-09-10 11:34:34,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10572 to 10561. [2019-09-10 11:34:34,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10561 states. [2019-09-10 11:34:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10561 states to 10561 states and 14554 transitions. [2019-09-10 11:34:34,512 INFO L78 Accepts]: Start accepts. Automaton has 10561 states and 14554 transitions. Word has length 151 [2019-09-10 11:34:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:34,514 INFO L475 AbstractCegarLoop]: Abstraction has 10561 states and 14554 transitions. [2019-09-10 11:34:34,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 11:34:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 10561 states and 14554 transitions. [2019-09-10 11:34:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-10 11:34:34,521 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:34,522 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:34,522 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:34,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1608603417, now seen corresponding path program 1 times [2019-09-10 11:34:34,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:34,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:34,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:34,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:34,531 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-09-10 11:34:35,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:34:35,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 11:34:35,015 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:35,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 11:34:35,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 11:34:35,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 11:34:35,022 INFO L87 Difference]: Start difference. First operand 10561 states and 14554 transitions. Second operand 4 states. [2019-09-10 11:34:44,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:44,919 INFO L93 Difference]: Finished difference Result 21736 states and 30202 transitions. [2019-09-10 11:34:44,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:34:44,920 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 181 [2019-09-10 11:34:44,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:45,079 INFO L225 Difference]: With dead ends: 21736 [2019-09-10 11:34:45,079 INFO L226 Difference]: Without dead ends: 21732 [2019-09-10 11:34:45,080 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:34:45,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21732 states. [2019-09-10 11:34:45,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21732 to 21047. [2019-09-10 11:34:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21047 states. [2019-09-10 11:34:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21047 states to 21047 states and 29059 transitions. [2019-09-10 11:34:46,069 INFO L78 Accepts]: Start accepts. Automaton has 21047 states and 29059 transitions. Word has length 181 [2019-09-10 11:34:46,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:46,069 INFO L475 AbstractCegarLoop]: Abstraction has 21047 states and 29059 transitions. [2019-09-10 11:34:46,070 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 11:34:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 21047 states and 29059 transitions. [2019-09-10 11:34:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-09-10 11:34:46,075 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:34:46,075 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:46,076 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:34:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:46,077 INFO L82 PathProgramCache]: Analyzing trace with hash -846396305, now seen corresponding path program 1 times [2019-09-10 11:34:46,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:34:46,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:46,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:34:46,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:34:46,081 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:34:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:34:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-09-10 11:34:46,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:34:46,859 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:34:46,860 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2019-09-10 11:34:46,863 INFO L207 CegarAbsIntRunner]: [212], [213], [219], [220], [225], [227], [229], [232], [234], [257], [436], [437], [533], [535], [538], [544], [551], [553], [557], [558], [704], [897], [903], [904], [919], [921], [922], [1059], [1060], [1396], [1398], [1399], [1518], [1520], [1522], [1524], [1526], [1528], [1530], [1533], [1535], [1537], [1539], [1541], [1543], [1627], [1630], [1633], [1645], [1648], [1651], [1653], [1656], [1858], [1859], [2243], [2245], [2246], [2247], [2248], [2769], [2884], [2886], [2887], [2908], [2909], [2910], [2911], [2912], [2913], [3022], [3023], [3100], [3101], [3300], [3301], [3360], [3361], [3362], [3363], [3364], [3365], [3366], [3367], [3368], [3369], [3370], [3371], [3372], [3373], [3374], [3375], [3376], [3377], [3378], [3379], [3380], [3381], [3382], [3383], [3396], [3397], [3426], [3558], [3559], [3664], [3674], [3675], [3676], [3698], [3699] [2019-09-10 11:34:46,941 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:34:46,941 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:34:47,199 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:34:47,201 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 299 root evaluator evaluations with a maximum evaluation depth of 0. Performed 299 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 592 variables. [2019-09-10 11:34:47,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:34:47,208 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:34:47,304 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:34:47,305 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:34:47,314 INFO L420 sIntCurrentIteration]: We unified 182 AI predicates to 182 [2019-09-10 11:34:47,314 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:34:47,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:34:47,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-10 11:34:47,316 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:34:47,316 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:34:47,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:34:47,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:34:47,317 INFO L87 Difference]: Start difference. First operand 21047 states and 29059 transitions. Second operand 2 states. [2019-09-10 11:34:47,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:34:47,317 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:34:47,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:34:47,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 183 [2019-09-10 11:34:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:34:47,318 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:34:47,318 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:34:47,319 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 182 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 11:34:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:34:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:34:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:34:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:34:47,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2019-09-10 11:34:47,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:34:47,320 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:34:47,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:34:47,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:34:47,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:34:47,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:34:47 BoogieIcfgContainer [2019-09-10 11:34:47,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:34:47,331 INFO L168 Benchmark]: Toolchain (without parser) took 32908.56 ms. Allocated memory was 138.4 MB in the beginning and 882.9 MB in the end (delta: 744.5 MB). Free memory was 78.7 MB in the beginning and 439.7 MB in the end (delta: -361.0 MB). Peak memory consumption was 383.5 MB. Max. memory is 7.1 GB. [2019-09-10 11:34:47,332 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 11:34:47,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2573.85 ms. Allocated memory was 138.4 MB in the beginning and 265.3 MB in the end (delta: 126.9 MB). Free memory was 78.3 MB in the beginning and 202.4 MB in the end (delta: -124.1 MB). Peak memory consumption was 108.0 MB. Max. memory is 7.1 GB. [2019-09-10 11:34:47,335 INFO L168 Benchmark]: Boogie Preprocessor took 334.58 ms. Allocated memory is still 265.3 MB. Free memory was 202.4 MB in the beginning and 169.5 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-09-10 11:34:47,337 INFO L168 Benchmark]: RCFGBuilder took 9637.21 ms. Allocated memory was 265.3 MB in the beginning and 454.0 MB in the end (delta: 188.7 MB). Free memory was 169.5 MB in the beginning and 68.5 MB in the end (delta: 101.0 MB). Peak memory consumption was 324.9 MB. Max. memory is 7.1 GB. [2019-09-10 11:34:47,338 INFO L168 Benchmark]: TraceAbstraction took 20358.11 ms. Allocated memory was 454.0 MB in the beginning and 882.9 MB in the end (delta: 428.9 MB). Free memory was 68.5 MB in the beginning and 439.7 MB in the end (delta: -371.1 MB). Peak memory consumption was 57.7 MB. Max. memory is 7.1 GB. [2019-09-10 11:34:47,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2573.85 ms. Allocated memory was 138.4 MB in the beginning and 265.3 MB in the end (delta: 126.9 MB). Free memory was 78.3 MB in the beginning and 202.4 MB in the end (delta: -124.1 MB). Peak memory consumption was 108.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 334.58 ms. Allocated memory is still 265.3 MB. Free memory was 202.4 MB in the beginning and 169.5 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9637.21 ms. Allocated memory was 265.3 MB in the beginning and 454.0 MB in the end (delta: 188.7 MB). Free memory was 169.5 MB in the beginning and 68.5 MB in the end (delta: 101.0 MB). Peak memory consumption was 324.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20358.11 ms. Allocated memory was 454.0 MB in the beginning and 882.9 MB in the end (delta: 428.9 MB). Free memory was 68.5 MB in the beginning and 439.7 MB in the end (delta: -371.1 MB). Peak memory consumption was 57.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5579]: 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 158 procedures, 1580 locations, 1 error locations. SAFE Result, 20.2s OverallTime, 5 OverallIterations, 6 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8960 SDtfs, 9380 SDslu, 6032 SDs, 0 SdLazy, 2564 SolverSat, 1857 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21047occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.6923076923076925 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 706 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 817 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 812 ConstructedInterpolants, 0 QuantifiedInterpolants, 182076 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 1090/1125 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...