/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:47:29,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:47:29,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:47:29,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:47:29,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:47:29,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:47:29,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:47:29,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:47:29,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:47:29,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:47:29,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:47:29,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:47:29,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:47:29,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:47:29,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:47:29,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:47:29,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:47:29,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:47:29,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:47:29,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:47:29,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:47:29,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:47:29,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:47:29,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:47:29,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:47:29,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:47:29,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:47:29,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:47:29,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:47:29,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:47:29,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:47:29,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:47:29,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:47:29,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:47:29,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:47:29,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:47:29,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:47:29,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:47:29,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:47:29,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:47:29,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:47:29,308 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 [2020-10-28 23:47:29,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:47:29,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:47:29,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:47:29,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:47:29,362 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:47:29,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:47:29,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:47:29,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:47:29,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:47:29,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:47:29,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:47:29,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:47:29,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:47:29,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:47:29,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:47:29,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:47:29,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:47:29,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:47:29,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:47:29,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:47:29,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:47:29,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:47:29,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:47:29,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:47:29,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:47:29,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:47:29,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:47:29,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:47:29,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:47:29,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:47:29,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:47:29,774 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:47:29,775 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:47:29,776 INFO L432 ainManager$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--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-28 23:47:29,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b70895df4/94a1b75c09374864b205724bb7561dac/FLAG72953906f [2020-10-28 23:47:30,856 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:47:30,857 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--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-28 23:47:30,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b70895df4/94a1b75c09374864b205724bb7561dac/FLAG72953906f [2020-10-28 23:47:31,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b70895df4/94a1b75c09374864b205724bb7561dac [2020-10-28 23:47:31,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:47:31,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:47:31,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:47:31,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:47:31,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:47:31,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:47:31" (1/1) ... [2020-10-28 23:47:31,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67192f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:31, skipping insertion in model container [2020-10-28 23:47:31,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:47:31" (1/1) ... [2020-10-28 23:47:31,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:47:31,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:47:32,064 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6069] [2020-10-28 23:47:32,065 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6070-6071] [2020-10-28 23:47:33,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:47:33,572 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:47:33,708 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6069] [2020-10-28 23:47:33,709 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6070-6071] [2020-10-28 23:47:34,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:47:34,377 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:47:34,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34 WrapperNode [2020-10-28 23:47:34,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:47:34,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:47:34,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:47:34,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:47:34,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (1/1) ... [2020-10-28 23:47:34,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (1/1) ... [2020-10-28 23:47:34,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (1/1) ... [2020-10-28 23:47:34,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (1/1) ... [2020-10-28 23:47:34,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (1/1) ... [2020-10-28 23:47:34,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (1/1) ... [2020-10-28 23:47:34,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (1/1) ... [2020-10-28 23:47:34,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:47:34,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:47:34,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:47:34,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:47:34,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (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 [2020-10-28 23:47:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:47:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:47:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 23:47:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:47:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 23:47:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 23:47:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-28 23:47:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 23:47:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 23:47:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-28 23:47:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 23:47:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 23:47:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-28 23:47:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-28 23:47:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-28 23:47:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-28 23:47:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-28 23:47:34,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:47:34,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:47:34,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:47:34,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:47:34,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:47:34,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:47:34,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:47:34,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:47:34,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:47:34,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 23:47:34,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 23:47:34,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-28 23:47:34,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-28 23:47:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 23:47:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-28 23:47:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-28 23:47:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-28 23:47:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 23:47:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2020-10-28 23:47:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_20 [2020-10-28 23:47:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-28 23:47:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2020-10-28 23:47:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2020-10-28 23:47:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2020-10-28 23:47:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2020-10-28 23:47:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2020-10-28 23:47:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-28 23:47:34,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2020-10-28 23:47:34,896 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2020-10-28 23:47:34,896 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2020-10-28 23:47:34,896 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcusb_l2l1B [2020-10-28 23:47:34,896 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_ph_info [2020-10-28 23:47:34,896 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcusb_l2l1D [2020-10-28 23:47:34,896 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_l1callback [2020-10-28 23:47:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2020-10-28 23:47:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2020-10-28 23:47:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2020-10-28 23:47:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_dctrl [2020-10-28 23:47:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state_te [2020-10-28 23:47:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state_nt [2020-10-28 23:47:34,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state [2020-10-28 23:47:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_setup_bch [2020-10-28 23:47:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_ph_command [2020-10-28 23:47:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2020-10-28 23:47:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_rx_frame [2020-10-28 23:47:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2020-10-28 23:47:34,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_iso_complete [2020-10-28 23:47:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int_complete [2020-10-28 23:47:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_iso_complete [2020-10-28 23:47:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2020-10-28 23:47:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_iso_gracefull [2020-10-28 23:47:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_int_gracefull [2020-10-28 23:47:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2020-10-28 23:47:34,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setPortMode [2020-10-28 23:47:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_hfcsusb [2020-10-28 23:47:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_start_endpoint [2020-10-28 23:47:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_stop_endpoint [2020-10-28 23:47:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hfcsusb [2020-10-28 23:47:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure release_hw [2020-10-28 23:47:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_bchannel [2020-10-28 23:47:34,900 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_bctrl [2020-10-28 23:47:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2020-10-28 23:47:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_probe [2020-10-28 23:47:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_disconnect [2020-10-28 23:47:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_drv_init [2020-10-28 23:47:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_drv_exit [2020-10-28 23:47:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-28 23:47:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:47:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 23:47:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 23:47:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 23:47:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 23:47:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-28 23:47:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2020-10-28 23:47:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2020-10-28 23:47:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2020-10-28 23:47:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2020-10-28 23:47:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-28 23:47:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-28 23:47:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2020-10-28 23:47:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-28 23:47:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2020-10-28 23:47:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-28 23:47:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2020-10-28 23:47:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2020-10-28 23:47:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2020-10-28 23:47:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_37 [2020-10-28 23:47:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_38 [2020-10-28 23:47:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_39 [2020-10-28 23:47:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_40 [2020-10-28 23:47:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_41 [2020-10-28 23:47:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_42 [2020-10-28 23:47:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_43 [2020-10-28 23:47:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 23:47:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 23:47:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-28 23:47:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-28 23:47:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-28 23:47:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-28 23:47:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-28 23:47:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 23:47:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-28 23:47:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 23:47:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 23:47:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 23:47:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 23:47:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2020-10-28 23:47:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2020-10-28 23:47:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2020-10-28 23:47:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2020-10-28 23:47:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-28 23:47:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2020-10-28 23:47:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2020-10-28 23:47:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2020-10-28 23:47:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2020-10-28 23:47:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-28 23:47:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2020-10-28 23:47:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:47:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:47:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-28 23:47:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-28 23:47:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2020-10-28 23:47:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2020-10-28 23:47:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2020-10-28 23:47:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2020-10-28 23:47:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2020-10-28 23:47:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2020-10-28 23:47:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2020-10-28 23:47:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2020-10-28 23:47:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-28 23:47:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:47:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-28 23:47:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2020-10-28 23:47:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-28 23:47:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2020-10-28 23:47:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2020-10-28 23:47:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Echannel [2020-10-28 23:47:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-28 23:47:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-28 23:47:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-28 23:47:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 23:47:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-28 23:47:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-28 23:47:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-28 23:47:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 23:47:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 23:47:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 23:47:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 23:47:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 23:47:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 23:47:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-28 23:47:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 23:47:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:47:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 23:47:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:47:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:47:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:47:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:47:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:47:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:47:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:47:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:47:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2020-10-28 23:47:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:47:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-28 23:47:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-28 23:47:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 23:47:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 23:47:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-28 23:47:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 23:47:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 23:47:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:47:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:47:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 23:47:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 23:47:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-28 23:47:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:47:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 23:47:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-28 23:47:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:47:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 23:47:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 23:47:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 23:47:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 23:47:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 23:47:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2020-10-28 23:47:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2020-10-28 23:47:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 23:47:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-28 23:47:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 23:47:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-28 23:47:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 23:47:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-28 23:47:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 23:47:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-28 23:47:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-28 23:47:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-28 23:47:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-28 23:47:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-28 23:47:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:47:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-28 23:47:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 23:47:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 23:47:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:47:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:47:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:47:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:47:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:47:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:47:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:47:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:47:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:47:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:47:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-28 23:47:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-28 23:47:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-28 23:47:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 23:47:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 23:47:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_42 [2020-10-28 23:47:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 23:47:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_43 [2020-10-28 23:47:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-28 23:47:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:47:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-28 23:47:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-28 23:47:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 23:47:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_37 [2020-10-28 23:47:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_39 [2020-10-28 23:47:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_41 [2020-10-28 23:47:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 23:47:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 23:47:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-28 23:47:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2020-10-28 23:47:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2020-10-28 23:47:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2020-10-28 23:47:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_38 [2020-10-28 23:47:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_40 [2020-10-28 23:47:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 23:47:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 23:47:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-28 23:47:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 23:47:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2020-10-28 23:47:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-28 23:47:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-28 23:47:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_20 [2020-10-28 23:47:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-28 23:47:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-28 23:47:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2020-10-28 23:47:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2020-10-28 23:47:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-28 23:47:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2020-10-28 23:47:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-28 23:47:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2020-10-28 23:47:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-28 23:47:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-28 23:47:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2020-10-28 23:47:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2020-10-28 23:47:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:47:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2020-10-28 23:47:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 23:47:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2020-10-28 23:47:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2020-10-28 23:47:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2020-10-28 23:47:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Echannel [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2020-10-28 23:47:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_ph_command [2020-10-28 23:47:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure release_hw [2020-10-28 23:47:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure reset_hfcsusb [2020-10-28 23:47:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure setPortMode [2020-10-28 23:47:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_start_endpoint [2020-10-28 23:47:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_stop_endpoint [2020-10-28 23:47:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_setup_bch [2020-10-28 23:47:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_bchannel [2020-10-28 23:47:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_ph_info [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure hfcusb_l2l1B [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure hfcusb_l2l1D [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_l1callback [2020-10-28 23:47:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2020-10-28 23:47:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2020-10-28 23:47:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2020-10-28 23:47:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_dctrl [2020-10-28 23:47:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state_te [2020-10-28 23:47:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state_nt [2020-10-28 23:47:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state [2020-10-28 23:47:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2020-10-28 23:47:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_rx_frame [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure rx_iso_complete [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int_complete [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure tx_iso_complete [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure stop_iso_gracefull [2020-10-28 23:47:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure stop_int_gracefull [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hfcsusb [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_bctrl [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_probe [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_disconnect [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_drv_init [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_drv_exit [2020-10-28 23:47:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:47:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:47:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:47:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-28 23:47:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 23:47:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-28 23:47:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-28 23:47:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 23:47:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 23:47:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:47:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:47:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:47:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:47:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:47:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:47:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:47:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:47:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:47:36,508 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:47:50,634 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:47:50,635 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 23:47:50,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:47:50 BoogieIcfgContainer [2020-10-28 23:47:50,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:47:50,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:47:50,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:47:50,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:47:50,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:47:31" (1/3) ... [2020-10-28 23:47:50,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bab1ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:47:50, skipping insertion in model container [2020-10-28 23:47:50,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:34" (2/3) ... [2020-10-28 23:47:50,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bab1ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:47:50, skipping insertion in model container [2020-10-28 23:47:50,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:47:50" (3/3) ... [2020-10-28 23:47:50,648 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-28 23:47:50,659 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:47:50,666 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:47:50,679 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:47:50,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:47:50,711 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:47:50,711 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:47:50,712 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:47:50,712 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:47:50,712 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:47:50,712 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:47:50,712 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:47:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states. [2020-10-28 23:47:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-28 23:47:50,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:47:50,782 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] [2020-10-28 23:47:50,783 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:47:50,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:47:50,794 INFO L82 PathProgramCache]: Analyzing trace with hash 553197988, now seen corresponding path program 1 times [2020-10-28 23:47:50,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:47:50,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299303933] [2020-10-28 23:47:50,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:47:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:47:52,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:47:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:47:52,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:48:00,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:48:33,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:48:33,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-28 23:48:33,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:48:33,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42118 [2020-10-28 23:48:33,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:48:33,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:48:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:48:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-28 23:48:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:48:33,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 23:48:47,207 WARN L193 SmtUtils]: Spent 13.01 s on a formula simplification that was a NOOP. DAG size: 1543 [2020-10-28 23:48:47,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:48:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:48:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:48:51,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:48:51,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:48:51,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:48:51,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4529 [2020-10-28 23:48:51,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:48:51,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:48:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:48:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:48:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:48:51,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:48:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:48:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:48:51,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:48:51,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:48:51,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:48:51,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:48:51,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:48:51,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:48:51,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:48:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:48:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:48:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:48:51,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:48:51,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:48:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:48:52,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:48:52,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:48:52,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:48:52,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:48:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:48:52,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:48:52,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:48:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:48:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:48:52,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:48:52,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:48:52,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 23:48:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:48:52,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:48:52,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:48:52,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:48:52,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:48:52,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:48:52,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:48:52,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:48:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:48:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:48:52,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:48:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:48:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:48:52,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299303933] [2020-10-28 23:48:52,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:48:52,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 23:48:52,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366443706] [2020-10-28 23:48:52,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 23:48:52,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:48:52,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 23:48:52,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 23:48:52,141 INFO L87 Difference]: Start difference. First operand 1614 states. Second operand 5 states. [2020-10-28 23:49:05,627 WARN L193 SmtUtils]: Spent 13.41 s on a formula simplification that was a NOOP. DAG size: 1546 [2020-10-28 23:49:22,593 WARN L193 SmtUtils]: Spent 13.40 s on a formula simplification that was a NOOP. DAG size: 1548 [2020-10-28 23:49:54,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:49:54,737 INFO L93 Difference]: Finished difference Result 1536 states and 2128 transitions. [2020-10-28 23:49:54,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 23:49:54,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-10-28 23:49:54,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:49:54,765 INFO L225 Difference]: With dead ends: 1536 [2020-10-28 23:49:54,765 INFO L226 Difference]: Without dead ends: 824 [2020-10-28 23:49:54,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 40.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:49:54,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-10-28 23:49:55,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 647. [2020-10-28 23:49:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-10-28 23:49:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 840 transitions. [2020-10-28 23:49:55,569 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 840 transitions. Word has length 43 [2020-10-28 23:49:55,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:49:55,570 INFO L481 AbstractCegarLoop]: Abstraction has 647 states and 840 transitions. [2020-10-28 23:49:55,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 23:49:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 840 transitions. [2020-10-28 23:49:55,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-28 23:49:55,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:49:55,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:49:55,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:49:55,584 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:49:55,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:49:55,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2106317652, now seen corresponding path program 1 times [2020-10-28 23:49:55,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:49:55,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957599420] [2020-10-28 23:49:55,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:49:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:49:56,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:49:56,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:01,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:01,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 23:50:01,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:50:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5274 [2020-10-28 23:50:01,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:01,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:50:01,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 23:50:01,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:50:01,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 23:50:14,754 WARN L193 SmtUtils]: Spent 13.37 s on a formula simplification that was a NOOP. DAG size: 1543 [2020-10-28 23:50:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:50:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:14,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:50:19,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4272 [2020-10-28 23:50:19,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:50:19,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:50:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:19,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:50:19,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:50:19,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:50:19,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:50:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:19,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:50:19,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:50:19,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:50:19,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 23:50:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:19,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-28 23:50:19,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 23:50:19,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:50:19,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:50:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:19,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 23:50:19,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 23:50:19,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:50:19,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:50:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:19,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:50:19,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:50:19,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:50:19,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:50:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:50:19,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 23:50:19,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:50:19,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:50:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:19,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:50:19,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:50:19,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:50:19,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 23:50:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:50:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:50:19,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:50:19,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:50:19,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:50:19,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:50:19,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:50:19,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:50:19,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:50:19,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:50:19,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:50:19,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:50:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-28 23:50:19,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957599420] [2020-10-28 23:50:19,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:50:19,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 23:50:19,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100391306] [2020-10-28 23:50:19,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 23:50:19,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:50:19,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 23:50:19,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 23:50:19,713 INFO L87 Difference]: Start difference. First operand 647 states and 840 transitions. Second operand 7 states. [2020-10-28 23:50:33,285 WARN L193 SmtUtils]: Spent 13.53 s on a formula simplification that was a NOOP. DAG size: 1546 [2020-10-28 23:51:07,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:51:07,651 INFO L93 Difference]: Finished difference Result 1512 states and 2055 transitions. [2020-10-28 23:51:07,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 23:51:07,652 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-10-28 23:51:07,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:51:07,661 INFO L225 Difference]: With dead ends: 1512 [2020-10-28 23:51:07,661 INFO L226 Difference]: Without dead ends: 877 [2020-10-28 23:51:07,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:51:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2020-10-28 23:51:08,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 688. [2020-10-28 23:51:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-28 23:51:08,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 903 transitions. [2020-10-28 23:51:08,173 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 903 transitions. Word has length 78 [2020-10-28 23:51:08,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:51:08,174 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 903 transitions. [2020-10-28 23:51:08,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 23:51:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 903 transitions. [2020-10-28 23:51:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-28 23:51:08,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:51:08,183 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:51:08,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:51:08,183 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:51:08,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:51:08,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1574928549, now seen corresponding path program 1 times [2020-10-28 23:51:08,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:51:08,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350159845] [2020-10-28 23:51:08,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:51:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:51:08,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:51:08,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:51:09,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:51:15,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:51:15,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 23:51:15,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:51:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6975 [2020-10-28 23:51:15,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:51:15,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:51:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:51:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-28 23:51:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:51:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1