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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:33:55,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:33:55,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:33:55,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:33:55,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:33:55,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:33:55,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:33:55,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:33:55,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:33:55,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:33:55,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:33:55,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:33:55,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:33:55,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:33:55,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:33:55,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:33:55,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:33:55,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:33:55,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:33:55,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:33:55,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:33:55,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:33:55,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:33:55,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:33:55,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:33:55,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:33:55,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:33:55,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:33:55,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:33:55,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:33:55,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:33:55,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:33:55,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:33:55,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:33:55,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:33:55,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:33:55,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:33:55,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:33:55,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:33:55,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:33:55,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:33:55,213 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 10:33:55,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:33:55,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:33:55,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:33:55,238 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:33:55,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:33:55,239 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:33:55,239 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:33:55,240 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:33:55,240 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:33:55,240 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:33:55,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:33:55,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:33:55,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:33:55,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:33:55,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:33:55,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:33:55,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:33:55,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:33:55,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:33:55,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:33:55,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:33:55,245 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:33:55,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:33:55,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:33:55,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:33:55,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:33:55,246 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:33:55,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:33:55,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:33:55,246 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:33:55,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:33:55,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:33:55,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:33:55,298 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:33:55,298 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:33:55,299 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2019-09-10 10:33:55,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/568e690e1/c48c0265cf1949ee8db5d78b404db3ee/FLAG0ff6447de [2019-09-10 10:33:56,223 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:33:56,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2019-09-10 10:33:56,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/568e690e1/c48c0265cf1949ee8db5d78b404db3ee/FLAG0ff6447de [2019-09-10 10:33:56,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/568e690e1/c48c0265cf1949ee8db5d78b404db3ee [2019-09-10 10:33:56,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:33:56,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:33:56,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:33:56,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:33:56,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:33:56,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:33:56" (1/1) ... [2019-09-10 10:33:56,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6ee3da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:56, skipping insertion in model container [2019-09-10 10:33:56,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:33:56" (1/1) ... [2019-09-10 10:33:56,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:33:56,928 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:33:58,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:33:58,735 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:33:59,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:33:59,462 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:33:59,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59 WrapperNode [2019-09-10 10:33:59,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:33:59,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:33:59,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:33:59,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:33:59,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (1/1) ... [2019-09-10 10:33:59,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (1/1) ... [2019-09-10 10:33:59,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (1/1) ... [2019-09-10 10:33:59,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (1/1) ... [2019-09-10 10:34:00,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (1/1) ... [2019-09-10 10:34:00,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (1/1) ... [2019-09-10 10:34:00,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (1/1) ... [2019-09-10 10:34:00,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:34:00,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:34:00,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:34:00,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:34:00,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (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 10:34:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:34:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:34:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-10 10:34:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-10 10:34:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-09-10 10:34:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-09-10 10:34:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-10 10:34:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-10 10:34:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 10:34:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 10:34:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-09-10 10:34:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-09-10 10:34:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-09-10 10:34:00,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-09-10 10:34:00,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-10 10:34:00,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-10 10:34:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-09-10 10:34:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-09-10 10:34:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2019-09-10 10:34:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2019-09-10 10:34:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2019-09-10 10:34:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2019-09-10 10:34:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2019-09-10 10:34:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2019-09-10 10:34:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2019-09-10 10:34:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2019-09-10 10:34:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2019-09-10 10:34:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2019-09-10 10:34:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2019-09-10 10:34:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2019-09-10 10:34:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2019-09-10 10:34:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2019-09-10 10:34:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2019-09-10 10:34:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2019-09-10 10:34:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2019-09-10 10:34:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2019-09-10 10:34:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2019-09-10 10:34:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:34:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-10 10:34:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-10 10:34:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-10 10:34:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-10 10:34:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-10 10:34:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-10 10:34:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-10 10:34:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2019-09-10 10:34:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2019-09-10 10:34:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:34:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:34:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:34:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:34:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:34:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 10:34:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 10:34:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:34:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 10:34:00,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 10:34:00,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:34:00,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:34:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:34:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:34:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:34:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:34:00,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:34:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:34:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:34:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-09-10 10:34:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-09-10 10:34:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 10:34:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 10:34:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2019-09-10 10:34:00,290 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2019-09-10 10:34:00,291 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2019-09-10 10:34:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2019-09-10 10:34:00,292 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2019-09-10 10:34:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2019-09-10 10:34:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2019-09-10 10:34:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2019-09-10 10:34:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 10:34:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 10:34:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:34:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:34:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-10 10:34:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-10 10:34:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 10:34:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-10 10:34:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 10:34:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 10:34:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-10 10:34:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-10 10:34:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 10:34:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:34:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:34:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:34:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:34:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:34:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:34:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:34:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:34:00,303 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 10:34:00,304 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-09-10 10:34:00,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:34:00,304 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-09-10 10:34:00,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 10:34:00,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-10 10:34:00,305 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:34:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-10 10:34:00,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-10 10:34:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-10 10:34:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 10:34:00,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-10 10:34:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-10 10:34:00,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-10 10:34:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 10:34:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 10:34:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:34:00,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:34:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:34:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:34:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 10:34:00,314 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 10:34:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-10 10:34:00,315 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-10 10:34:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 10:34:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 10:34:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2019-09-10 10:34:00,316 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 10:34:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2019-09-10 10:34:00,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-10 10:34:00,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-10 10:34:00,321 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-10 10:34:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 10:34:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-10 10:34:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-10 10:34:00,329 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 10:34:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:34:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-09-10 10:34:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-09-10 10:34:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-09-10 10:34:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-09-10 10:34:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-09-10 10:34:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-09-10 10:34:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-10 10:34:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-09-10 10:34:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-10 10:34:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:34:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-09-10 10:34:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-09-10 10:34:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-09-10 10:34:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2019-09-10 10:34:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2019-09-10 10:34:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2019-09-10 10:34:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2019-09-10 10:34:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2019-09-10 10:34:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2019-09-10 10:34:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2019-09-10 10:34:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2019-09-10 10:34:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2019-09-10 10:34:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2019-09-10 10:34:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2019-09-10 10:34:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2019-09-10 10:34:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2019-09-10 10:34:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2019-09-10 10:34:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:34:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:34:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2019-09-10 10:34:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2019-09-10 10:34:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:34:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2019-09-10 10:34:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:34:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2019-09-10 10:34:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2019-09-10 10:34:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2019-09-10 10:34:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2019-09-10 10:34:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:34:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:34:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2019-09-10 10:34:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2019-09-10 10:34:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2019-09-10 10:34:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2019-09-10 10:34:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2019-09-10 10:34:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2019-09-10 10:34:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:34:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:34:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:34:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:34:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:34:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-09-10 10:34:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:34:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:34:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 10:34:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:34:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 10:34:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:34:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:34:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:34:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:34:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:34:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:34:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:34:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:34:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:34:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:34:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:34:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:34:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:34:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:34:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:34:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:36:06,006 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:36:06,006 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:36:06,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:36:06 BoogieIcfgContainer [2019-09-10 10:36:06,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:36:06,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:36:06,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:36:06,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:36:06,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:33:56" (1/3) ... [2019-09-10 10:36:06,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2deee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:36:06, skipping insertion in model container [2019-09-10 10:36:06,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:33:59" (2/3) ... [2019-09-10 10:36:06,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2deee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:36:06, skipping insertion in model container [2019-09-10 10:36:06,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:36:06" (3/3) ... [2019-09-10 10:36:06,018 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2019-09-10 10:36:06,028 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:36:06,041 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:36:06,059 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:36:06,089 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:36:06,089 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:36:06,090 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:36:06,090 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:36:06,090 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:36:06,090 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:36:06,090 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:36:06,090 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:36:06,117 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2019-09-10 10:36:06,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-10 10:36:06,129 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:06,130 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:36:06,133 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:06,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:06,139 INFO L82 PathProgramCache]: Analyzing trace with hash 412824875, now seen corresponding path program 1 times [2019-09-10 10:36:06,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:06,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:06,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:06,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:06,274 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:06,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:06,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:06,741 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:06,746 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:06,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:06,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:06,764 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 3 states. [2019-09-10 10:36:07,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:07,076 INFO L93 Difference]: Finished difference Result 668 states and 801 transitions. [2019-09-10 10:36:07,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:07,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-10 10:36:07,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:07,102 INFO L225 Difference]: With dead ends: 668 [2019-09-10 10:36:07,103 INFO L226 Difference]: Without dead ends: 659 [2019-09-10 10:36:07,105 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 10:36:07,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2019-09-10 10:36:07,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2019-09-10 10:36:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-09-10 10:36:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 790 transitions. [2019-09-10 10:36:07,215 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 790 transitions. Word has length 34 [2019-09-10 10:36:07,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:07,216 INFO L475 AbstractCegarLoop]: Abstraction has 659 states and 790 transitions. [2019-09-10 10:36:07,216 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:07,216 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 790 transitions. [2019-09-10 10:36:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-10 10:36:07,222 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:07,222 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:36:07,223 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:07,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:07,224 INFO L82 PathProgramCache]: Analyzing trace with hash 2093657007, now seen corresponding path program 1 times [2019-09-10 10:36:07,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:07,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:07,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:07,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:07,245 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:07,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:07,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:07,420 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:07,422 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:07,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:07,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:07,423 INFO L87 Difference]: Start difference. First operand 659 states and 790 transitions. Second operand 3 states. [2019-09-10 10:36:07,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:07,488 INFO L93 Difference]: Finished difference Result 668 states and 799 transitions. [2019-09-10 10:36:07,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:07,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-09-10 10:36:07,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:07,494 INFO L225 Difference]: With dead ends: 668 [2019-09-10 10:36:07,495 INFO L226 Difference]: Without dead ends: 668 [2019-09-10 10:36:07,496 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 10:36:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-09-10 10:36:07,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 659. [2019-09-10 10:36:07,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-09-10 10:36:07,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 789 transitions. [2019-09-10 10:36:07,534 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 789 transitions. Word has length 39 [2019-09-10 10:36:07,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:07,534 INFO L475 AbstractCegarLoop]: Abstraction has 659 states and 789 transitions. [2019-09-10 10:36:07,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 789 transitions. [2019-09-10 10:36:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-09-10 10:36:07,536 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:07,536 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:36:07,537 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:07,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:07,537 INFO L82 PathProgramCache]: Analyzing trace with hash -2144051987, now seen corresponding path program 1 times [2019-09-10 10:36:07,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:07,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:07,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:07,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:07,551 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:08,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:08,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:08,240 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:08,240 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:08,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:08,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:08,241 INFO L87 Difference]: Start difference. First operand 659 states and 789 transitions. Second operand 3 states. [2019-09-10 10:36:08,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:08,388 INFO L93 Difference]: Finished difference Result 658 states and 787 transitions. [2019-09-10 10:36:08,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:08,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-09-10 10:36:08,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:08,397 INFO L225 Difference]: With dead ends: 658 [2019-09-10 10:36:08,397 INFO L226 Difference]: Without dead ends: 658 [2019-09-10 10:36:08,398 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 10:36:08,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2019-09-10 10:36:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2019-09-10 10:36:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2019-09-10 10:36:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 787 transitions. [2019-09-10 10:36:08,431 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 787 transitions. Word has length 39 [2019-09-10 10:36:08,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:08,432 INFO L475 AbstractCegarLoop]: Abstraction has 658 states and 787 transitions. [2019-09-10 10:36:08,432 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 787 transitions. [2019-09-10 10:36:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-09-10 10:36:08,434 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:08,434 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:36:08,434 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:08,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:08,435 INFO L82 PathProgramCache]: Analyzing trace with hash -2041399244, now seen corresponding path program 1 times [2019-09-10 10:36:08,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:08,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:08,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:08,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:08,446 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:08,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:08,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:08,584 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:08,584 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:08,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:08,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:08,585 INFO L87 Difference]: Start difference. First operand 658 states and 787 transitions. Second operand 3 states. [2019-09-10 10:36:08,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:08,688 INFO L93 Difference]: Finished difference Result 657 states and 785 transitions. [2019-09-10 10:36:08,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:08,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2019-09-10 10:36:08,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:08,693 INFO L225 Difference]: With dead ends: 657 [2019-09-10 10:36:08,693 INFO L226 Difference]: Without dead ends: 657 [2019-09-10 10:36:08,694 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 10:36:08,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-09-10 10:36:08,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 657. [2019-09-10 10:36:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2019-09-10 10:36:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 785 transitions. [2019-09-10 10:36:08,716 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 785 transitions. Word has length 40 [2019-09-10 10:36:08,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:08,716 INFO L475 AbstractCegarLoop]: Abstraction has 657 states and 785 transitions. [2019-09-10 10:36:08,716 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:08,717 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 785 transitions. [2019-09-10 10:36:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-09-10 10:36:08,719 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:36:08,719 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:36:08,719 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:36:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:36:08,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1140840656, now seen corresponding path program 1 times [2019-09-10 10:36:08,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:36:08,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:08,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:36:08,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:36:08,731 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:36:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:36:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:36:08,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:36:08,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:36:08,864 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:36:08,865 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:36:08,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:36:08,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:36:08,865 INFO L87 Difference]: Start difference. First operand 657 states and 785 transitions. Second operand 3 states. [2019-09-10 10:36:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:36:08,952 INFO L93 Difference]: Finished difference Result 654 states and 782 transitions. [2019-09-10 10:36:08,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:36:08,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2019-09-10 10:36:08,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:36:08,967 INFO L225 Difference]: With dead ends: 654 [2019-09-10 10:36:08,967 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:36:08,968 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 10:36:08,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:36:08,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:36:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:36:08,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:36:08,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2019-09-10 10:36:08,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:36:08,969 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:36:08,969 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:36:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:36:08,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:36:08,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:36:08 BoogieIcfgContainer [2019-09-10 10:36:08,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:36:08,978 INFO L168 Benchmark]: Toolchain (without parser) took 132206.91 ms. Allocated memory was 132.1 MB in the beginning and 647.0 MB in the end (delta: 514.9 MB). Free memory was 77.2 MB in the beginning and 463.8 MB in the end (delta: -386.6 MB). Peak memory consumption was 128.3 MB. Max. memory is 7.1 GB. [2019-09-10 10:36:08,980 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 10:36:08,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2692.87 ms. Allocated memory was 132.1 MB in the beginning and 267.9 MB in the end (delta: 135.8 MB). Free memory was 77.0 MB in the beginning and 183.6 MB in the end (delta: -106.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 7.1 GB. [2019-09-10 10:36:08,982 INFO L168 Benchmark]: Boogie Preprocessor took 696.01 ms. Allocated memory was 267.9 MB in the beginning and 389.0 MB in the end (delta: 121.1 MB). Free memory was 183.6 MB in the beginning and 321.1 MB in the end (delta: -137.4 MB). Peak memory consumption was 128.3 MB. Max. memory is 7.1 GB. [2019-09-10 10:36:08,983 INFO L168 Benchmark]: RCFGBuilder took 125847.70 ms. Allocated memory was 389.0 MB in the beginning and 563.1 MB in the end (delta: 174.1 MB). Free memory was 321.1 MB in the beginning and 146.0 MB in the end (delta: 175.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-09-10 10:36:08,984 INFO L168 Benchmark]: TraceAbstraction took 2965.34 ms. Allocated memory was 563.1 MB in the beginning and 647.0 MB in the end (delta: 83.9 MB). Free memory was 146.0 MB in the beginning and 463.8 MB in the end (delta: -317.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 10:36:08,988 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2692.87 ms. Allocated memory was 132.1 MB in the beginning and 267.9 MB in the end (delta: 135.8 MB). Free memory was 77.0 MB in the beginning and 183.6 MB in the end (delta: -106.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 696.01 ms. Allocated memory was 267.9 MB in the beginning and 389.0 MB in the end (delta: 121.1 MB). Free memory was 183.6 MB in the beginning and 321.1 MB in the end (delta: -137.4 MB). Peak memory consumption was 128.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 125847.70 ms. Allocated memory was 389.0 MB in the beginning and 563.1 MB in the end (delta: 174.1 MB). Free memory was 321.1 MB in the beginning and 146.0 MB in the end (delta: 175.1 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * TraceAbstraction took 2965.34 ms. Allocated memory was 563.1 MB in the beginning and 647.0 MB in the end (delta: 83.9 MB). Free memory was 146.0 MB in the beginning and 463.8 MB in the end (delta: -317.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7660]: 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 102 procedures, 729 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2165 SDtfs, 1977 SDslu, 433 SDs, 0 SdLazy, 22 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 11552 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...