/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:31:37,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:31:37,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:31:37,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:31:37,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:31:37,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:31:37,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:31:37,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:31:37,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:31:37,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:31:37,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:31:37,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:31:37,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:31:37,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:31:37,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:31:37,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:31:37,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:31:37,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:31:37,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:31:37,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:31:37,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:31:37,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:31:37,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:31:37,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:31:37,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:31:37,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:31:37,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:31:37,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:31:37,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:31:37,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 10:31:37,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 10:31:37,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 10:31:37,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 10:31:37,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 10:31:37,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 10:31:37,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 10:31:37,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 10:31:37,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 10:31:37,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:31:37,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:31:37,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:31:37,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 10:31:37,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:31:37,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:31:37,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:31:37,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:31:37,489 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:31:37,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:31:37,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:31:37,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:31:37,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:31:37,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:31:37,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:31:37,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:31:37,493 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:31:37,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:31:37,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:31:37,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:31:37,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:31:37,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:31:37,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:31:37,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:31:37,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:31:37,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:31:37,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:31:37,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:31:37,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:31:37,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:31:37,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:31:37,497 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:31:38,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:31:38,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:31:38,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:31:38,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:31:38,068 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:31:38,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2020-10-27 10:31:38,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d8e5d08c/ae04dc0eb1344b99a367de28e2583915/FLAG2acfe3587 [2020-10-27 10:31:39,259 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:31:39,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2020-10-27 10:31:39,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d8e5d08c/ae04dc0eb1344b99a367de28e2583915/FLAG2acfe3587 [2020-10-27 10:31:39,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d8e5d08c/ae04dc0eb1344b99a367de28e2583915 [2020-10-27 10:31:39,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:31:39,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:31:39,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:31:39,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:31:39,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:31:39,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58088b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:39, skipping insertion in model container [2020-10-27 10:31:39,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:31:39" (1/1) ... [2020-10-27 10:31:39,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:31:39,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:31:40,525 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6708] [2020-10-27 10:31:40,526 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6709-6710] [2020-10-27 10:31:41,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:31:41,774 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:31:42,137 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6708] [2020-10-27 10:31:42,138 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6709-6710] [2020-10-27 10:31:42,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:31:42,700 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:31:42,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42 WrapperNode [2020-10-27 10:31:42,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:31:42,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:31:42,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:31:42,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:31:42,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (1/1) ... [2020-10-27 10:31:42,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (1/1) ... [2020-10-27 10:31:42,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (1/1) ... [2020-10-27 10:31:42,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (1/1) ... [2020-10-27 10:31:42,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (1/1) ... [2020-10-27 10:31:42,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (1/1) ... [2020-10-27 10:31:43,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (1/1) ... [2020-10-27 10:31:43,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:31:43,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:31:43,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:31:43,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:31:43,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 10:31:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:31:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:31:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2020-10-27 10:31:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-27 10:31:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:31:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2020-10-27 10:31:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:31:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:31:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:31:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:31:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:31:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:31:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:31:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:31:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:31:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 10:31:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 10:31:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-27 10:31:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-27 10:31:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 10:31:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-27 10:31:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-27 10:31:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 10:31:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-27 10:31:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-27 10:31:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-27 10:31:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_packet [2020-10-27 10:31:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2020-10-27 10:31:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2020-10-27 10:31:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_control_request [2020-10-27 10:31:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2020-10-27 10:31:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure write_led [2020-10-27 10:31:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2020-10-27 10:31:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2020-10-27 10:31:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer_expire_t3 [2020-10-27 10:31:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_timer_expire_t4 [2020-10-27 10:31:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure s0_state_handler [2020-10-27 10:31:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2020-10-27 10:31:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2020-10-27 10:31:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_isoc_chain [2020-10-27 10:31:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_iso_complete [2020-10-27 10:31:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_iso_complete [2020-10-27 10:31:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_rx_frame [2020-10-27 10:31:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int_complete [2020-10-27 10:31:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2020-10-27 10:31:43,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bchannel [2020-10-27 10:31:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_l2l1 [2020-10-27 10:31:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_init [2020-10-27 10:31:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_probe [2020-10-27 10:31:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_disconnect [2020-10-27 10:31:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_mod_exit [2020-10-27 10:31:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_usb_mod_init [2020-10-27 10:31:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-27 10:31:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-27 10:31:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-27 10:31:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-27 10:31:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-27 10:31:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-27 10:31:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2020-10-27 10:31:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-27 10:31:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-27 10:31:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:31:43,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 10:31:43,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2020-10-27 10:31:43,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2020-10-27 10:31:43,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2020-10-27 10:31:43,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2020-10-27 10:31:43,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-27 10:31:43,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-27 10:31:43,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2020-10-27 10:31:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-27 10:31:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2020-10-27 10:31:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-27 10:31:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_34 [2020-10-27 10:31:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_35 [2020-10-27 10:31:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_36 [2020-10-27 10:31:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_37 [2020-10-27 10:31:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_38 [2020-10-27 10:31:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_39 [2020-10-27 10:31:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_40 [2020-10-27 10:31:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_41 [2020-10-27 10:31:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2020-10-27 10:31:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_43 [2020-10-27 10:31:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_44 [2020-10-27 10:31:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_45 [2020-10-27 10:31:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_46 [2020-10-27 10:31:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_47 [2020-10-27 10:31:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-27 10:31:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-27 10:31:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-27 10:31:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-27 10:31:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-27 10:31:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-27 10:31:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-27 10:31:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-27 10:31:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-27 10:31:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-27 10:31:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-27 10:31:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_register [2020-10-27 10:31:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure hisax_unregister [2020-10-27 10:31:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-27 10:31:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:31:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:31:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-27 10:31:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 10:31:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-27 10:31:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-27 10:31:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-27 10:31:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-27 10:31:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-27 10:31:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:31:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-27 10:31:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-27 10:31:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-27 10:31:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 10:31:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-27 10:31:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 10:31:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 10:31:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-27 10:31:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-27 10:31:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:31:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 10:31:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:31:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 10:31:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:31:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:31:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:31:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:31:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:31:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:31:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:31:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 10:31:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-27 10:31:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 10:31:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 10:31:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2020-10-27 10:31:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:31:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-27 10:31:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_34 [2020-10-27 10:31:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_35 [2020-10-27 10:31:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_44 [2020-10-27 10:31:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_45 [2020-10-27 10:31:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-27 10:31:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:31:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-27 10:31:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 10:31:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-27 10:31:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:31:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:31:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:31:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:31:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:31:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:31:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-27 10:31:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-27 10:31:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-27 10:31:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-27 10:31:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 10:31:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_47 [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_46 [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:31:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_36 [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_41 [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_43 [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_37 [2020-10-27 10:31:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_38 [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_39 [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_40 [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-27 10:31:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-27 10:31:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-27 10:31:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-27 10:31:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2020-10-27 10:31:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-27 10:31:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-27 10:31:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-27 10:31:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-27 10:31:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-27 10:31:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-27 10:31:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_register [2020-10-27 10:31:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure hisax_unregister [2020-10-27 10:31:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure dump_packet [2020-10-27 10:31:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure collect_rx_frame [2020-10-27 10:31:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2020-10-27 10:31:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2020-10-27 10:31:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure queue_control_request [2020-10-27 10:31:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2020-10-27 10:31:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure write_led [2020-10-27 10:31:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2020-10-27 10:31:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2020-10-27 10:31:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer_expire_t3 [2020-10-27 10:31:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2020-10-27 10:31:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure l1_timer_expire_t4 [2020-10-27 10:31:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure s0_state_handler [2020-10-27 10:31:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2020-10-27 10:31:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2020-10-27 10:31:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 10:31:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure stop_isoc_chain [2020-10-27 10:31:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure tx_iso_complete [2020-10-27 10:31:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 10:31:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure rx_iso_complete [2020-10-27 10:31:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:31:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int_complete [2020-10-27 10:31:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2020-10-27 10:31:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bchannel [2020-10-27 10:31:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_l2l1 [2020-10-27 10:31:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_init [2020-10-27 10:31:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_probe [2020-10-27 10:31:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_disconnect [2020-10-27 10:31:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_mod_exit [2020-10-27 10:31:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_usb_mod_init [2020-10-27 10:31:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:31:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:31:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-27 10:31:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:31:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-27 10:31:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-27 10:31:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-27 10:31:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-27 10:31:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-27 10:31:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-27 10:31:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 10:31:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:31:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:31:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:31:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:31:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:31:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:31:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:31:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:31:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:31:44,565 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:31:53,643 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:31:53,643 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 10:31:53,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:31:53 BoogieIcfgContainer [2020-10-27 10:31:53,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:31:53,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:31:53,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:31:53,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:31:53,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:31:39" (1/3) ... [2020-10-27 10:31:53,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e68912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:31:53, skipping insertion in model container [2020-10-27 10:31:53,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:31:42" (2/3) ... [2020-10-27 10:31:53,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e68912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:31:53, skipping insertion in model container [2020-10-27 10:31:53,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:31:53" (3/3) ... [2020-10-27 10:31:53,663 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hisax--hfc_usb.ko-entry_point.cil.out.i [2020-10-27 10:31:53,681 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:31:53,690 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:31:53,706 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:31:53,756 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:31:53,756 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:31:53,756 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:31:53,756 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:31:53,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:31:53,756 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:31:53,757 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:31:53,757 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:31:53,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states. [2020-10-27 10:31:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-27 10:31:53,836 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:31:53,837 INFO L422 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, 1, 1, 1, 1] [2020-10-27 10:31:53,837 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:31:53,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:31:53,847 INFO L82 PathProgramCache]: Analyzing trace with hash 964508229, now seen corresponding path program 1 times [2020-10-27 10:31:53,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:31:53,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142882543] [2020-10-27 10:31:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:31:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:31:54,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:31:55,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:31:58,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:32:20,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:32:20,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 10:32:20,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:32:20,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25979 [2020-10-27 10:32:20,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:32:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 10:32:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:32:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 10:32:20,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 10:32:25,727 WARN L193 SmtUtils]: Spent 4.70 s on a formula simplification that was a NOOP. DAG size: 1042 [2020-10-27 10:32:25,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:32:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:32:25,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:32:29,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:32:29,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:32:29,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:32:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3963 [2020-10-27 10:32:29,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:32:29,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:32:29,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:32:29,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:32:29,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:32:29,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:32:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:32:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:32:30,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:32:30,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:32:30,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:32:30,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 10:32:30,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:32:30,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:32:30,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:32:30,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:32:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:32:30,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:32:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:32:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:32:30,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:32:30,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 10:32:30,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:32:30,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 10:32:30,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:32:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:32:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:32:30,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:32:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:32:30,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 10:32:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:32:30,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:32:30,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:32:30,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:32:30,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:32:30,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 10:32:30,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:32:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:32:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:32:30,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:32:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:32:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 10:32:30,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142882543] [2020-10-27 10:32:30,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:32:30,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 10:32:30,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270973278] [2020-10-27 10:32:30,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 10:32:30,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:32:30,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 10:32:30,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 10:32:30,224 INFO L87 Difference]: Start difference. First operand 1119 states. Second operand 8 states. [2020-10-27 10:32:34,908 WARN L193 SmtUtils]: Spent 4.62 s on a formula simplification that was a NOOP. DAG size: 1045 [2020-10-27 10:32:49,189 WARN L193 SmtUtils]: Spent 4.81 s on a formula simplification that was a NOOP. DAG size: 1051 [2020-10-27 10:33:37,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:33:37,963 INFO L93 Difference]: Finished difference Result 1908 states and 2679 transitions. [2020-10-27 10:33:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 10:33:37,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-10-27 10:33:37,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:33:38,013 INFO L225 Difference]: With dead ends: 1908 [2020-10-27 10:33:38,013 INFO L226 Difference]: Without dead ends: 1188 [2020-10-27 10:33:38,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-27 10:33:38,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2020-10-27 10:33:38,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 914. [2020-10-27 10:33:38,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-10-27 10:33:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1234 transitions. [2020-10-27 10:33:38,827 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1234 transitions. Word has length 45 [2020-10-27 10:33:38,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:33:38,829 INFO L481 AbstractCegarLoop]: Abstraction has 914 states and 1234 transitions. [2020-10-27 10:33:38,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 10:33:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1234 transitions. [2020-10-27 10:33:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-27 10:33:38,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:33:38,843 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:33:38,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:33:38,844 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:33:38,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:33:38,845 INFO L82 PathProgramCache]: Analyzing trace with hash -490292327, now seen corresponding path program 1 times [2020-10-27 10:33:38,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:33:38,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [42277062] [2020-10-27 10:33:38,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:33:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:33:39,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:33:39,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:33:39,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:33:42,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:33:55,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:33:55,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 10:33:55,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 10:33:55,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16188 [2020-10-27 10:33:55,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:33:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 10:33:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:33:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 10:33:55,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:33:55,786 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 18 [2020-10-27 10:34:00,839 WARN L193 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 1042 [2020-10-27 10:34:00,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:34:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:34:01,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:34:04,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:34:04,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:34:04,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:34:04,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3925 [2020-10-27 10:34:04,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:34:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:34:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:34:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 10:34:04,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:34:05,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:34:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:34:05,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:34:05,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:34:05,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:34:05,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:34:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 10:34:05,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:34:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:34:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 10:34:05,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:34:05,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:34:05,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:34:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:34:05,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:34:05,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:34:05,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 10:34:05,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:34:05,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:34:05,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:34:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:34:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:34:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:34:05,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:34:05,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 10:34:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:34:05,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:34:05,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:34:05,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:34:05,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:34:05,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:34:05,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:34:05,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 10:34:05,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:34:05,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:34:05,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:34:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 10:34:05,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [42277062] [2020-10-27 10:34:05,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 10:34:05,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 10:34:05,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341397432] [2020-10-27 10:34:05,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 10:34:05,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:34:05,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 10:34:05,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 10:34:05,312 INFO L87 Difference]: Start difference. First operand 914 states and 1234 transitions. Second operand 9 states. [2020-10-27 10:34:10,233 WARN L193 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 1045 [2020-10-27 10:34:18,066 WARN L193 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 1054