/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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=BIGGEST --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 -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 0.1.25-adbd35c [2020-10-13 01:01:54,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 01:01:54,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 01:01:54,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 01:01:54,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 01:01:54,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 01:01:54,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 01:01:54,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 01:01:54,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 01:01:54,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 01:01:54,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 01:01:54,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 01:01:54,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 01:01:54,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 01:01:54,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 01:01:54,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 01:01:54,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 01:01:54,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 01:01:54,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 01:01:54,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 01:01:54,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 01:01:54,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 01:01:54,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 01:01:54,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 01:01:54,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 01:01:54,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 01:01:54,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 01:01:54,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 01:01:54,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 01:01:54,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 01:01:54,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 01:01:54,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 01:01:54,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 01:01:54,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 01:01:54,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 01:01:54,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 01:01:54,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 01:01:54,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 01:01:54,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 01:01:54,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 01:01:54,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 01:01:54,150 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 [2020-10-13 01:01:54,192 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 01:01:54,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 01:01:54,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 01:01:54,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 01:01:54,195 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 01:01:54,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 01:01:54,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 01:01:54,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 01:01:54,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 01:01:54,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 01:01:54,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 01:01:54,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 01:01:54,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 01:01:54,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 01:01:54,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 01:01:54,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 01:01:54,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 01:01:54,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 01:01:54,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 01:01:54,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 01:01:54,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 01:01:54,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 01:01:54,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 01:01:54,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 01:01:54,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 01:01:54,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 01:01:54,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 01:01:54,201 INFO L138 SettingsManager]: * To the following directory=dump/ 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 01:01:54,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 01:01:54,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 01:01:54,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 01:01:54,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 01:01:54,545 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 01:01:54,546 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-13 01:01:54,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12087acc7/a6082c7e38c34fc5abdb335f164b526b/FLAGac38f842f [2020-10-13 01:01:55,497 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 01:01:55,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-13 01:01:55,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12087acc7/a6082c7e38c34fc5abdb335f164b526b/FLAGac38f842f [2020-10-13 01:01:55,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12087acc7/a6082c7e38c34fc5abdb335f164b526b [2020-10-13 01:01:55,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 01:01:55,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 01:01:55,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 01:01:55,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 01:01:55,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 01:01:55,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:55" (1/1) ... [2020-10-13 01:01:55,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d1f85a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:55, skipping insertion in model container [2020-10-13 01:01:55,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:55" (1/1) ... [2020-10-13 01:01:55,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 01:01:56,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 01:01:56,933 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6058] [2020-10-13 01:01:56,934 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6059-6060] [2020-10-13 01:01:58,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 01:01:58,629 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 01:01:58,791 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6058] [2020-10-13 01:01:58,791 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6059-6060] [2020-10-13 01:01:59,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 01:01:59,351 INFO L208 MainTranslator]: Completed translation [2020-10-13 01:01:59,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59 WrapperNode [2020-10-13 01:01:59,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 01:01:59,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 01:01:59,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 01:01:59,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 01:01:59,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (1/1) ... [2020-10-13 01:01:59,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (1/1) ... [2020-10-13 01:01:59,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (1/1) ... [2020-10-13 01:01:59,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (1/1) ... [2020-10-13 01:01:59,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (1/1) ... [2020-10-13 01:01:59,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (1/1) ... [2020-10-13 01:01:59,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (1/1) ... [2020-10-13 01:01:59,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 01:01:59,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 01:01:59,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 01:01:59,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 01:01:59,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (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 [2020-10-13 01:01:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 01:01:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 01:01:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 01:01:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 01:01:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 01:01:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 01:01:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 01:01:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-13 01:01:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-13 01:01:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 01:01:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 01:01:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-13 01:01:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-13 01:01:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-13 01:01:59,860 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 01:01:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-13 01:01:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 01:01:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 01:01:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 01:01:59,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 01:01:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 01:01:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 01:01:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 01:01:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 01:01:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 01:01:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 01:01:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 01:01:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 01:01:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 01:01:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 01:01:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-13 01:01:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-13 01:01:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-13 01:01:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 01:01:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2020-10-13 01:01:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_20 [2020-10-13 01:01:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-13 01:01:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2020-10-13 01:01:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2020-10-13 01:01:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2020-10-13 01:01:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2020-10-13 01:01:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2020-10-13 01:01:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-13 01:01:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2020-10-13 01:01:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2020-10-13 01:01:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2020-10-13 01:01:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcusb_l2l1B [2020-10-13 01:01:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_ph_info [2020-10-13 01:01:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcusb_l2l1D [2020-10-13 01:01:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_l1callback [2020-10-13 01:01:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2020-10-13 01:01:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2020-10-13 01:01:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2020-10-13 01:01:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_dctrl [2020-10-13 01:01:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state_te [2020-10-13 01:01:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state_nt [2020-10-13 01:01:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state [2020-10-13 01:01:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_setup_bch [2020-10-13 01:01:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_ph_command [2020-10-13 01:01:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2020-10-13 01:01:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_rx_frame [2020-10-13 01:01:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2020-10-13 01:01:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_iso_complete [2020-10-13 01:01:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int_complete [2020-10-13 01:01:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_iso_complete [2020-10-13 01:01:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2020-10-13 01:01:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_iso_gracefull [2020-10-13 01:01:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_int_gracefull [2020-10-13 01:01:59,871 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2020-10-13 01:01:59,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setPortMode [2020-10-13 01:01:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_hfcsusb [2020-10-13 01:01:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_start_endpoint [2020-10-13 01:01:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_stop_endpoint [2020-10-13 01:01:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hfcsusb [2020-10-13 01:01:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure release_hw [2020-10-13 01:01:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_bchannel [2020-10-13 01:01:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_bctrl [2020-10-13 01:01:59,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2020-10-13 01:01:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_probe [2020-10-13 01:01:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_disconnect [2020-10-13 01:01:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_drv_init [2020-10-13 01:01:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_drv_exit [2020-10-13 01:01:59,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-13 01:01:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 01:01:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 01:01:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 01:01:59,876 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 01:01:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 01:01:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-13 01:01:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2020-10-13 01:01:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2020-10-13 01:01:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2020-10-13 01:01:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2020-10-13 01:01:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-13 01:01:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-13 01:01:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2020-10-13 01:01:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-13 01:01:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2020-10-13 01:01:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-13 01:01:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2020-10-13 01:01:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2020-10-13 01:01:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2020-10-13 01:01:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_37 [2020-10-13 01:01:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_38 [2020-10-13 01:01:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_39 [2020-10-13 01:01:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_40 [2020-10-13 01:01:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_41 [2020-10-13 01:01:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_42 [2020-10-13 01:01:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_43 [2020-10-13 01:01:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-13 01:01:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 01:01:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-13 01:01:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-13 01:01:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-13 01:01:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-13 01:01:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-13 01:01:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 01:01:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-13 01:01:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 01:01:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 01:01:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 01:01:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 01:01:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2020-10-13 01:01:59,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2020-10-13 01:01:59,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2020-10-13 01:01:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2020-10-13 01:01:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-13 01:01:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2020-10-13 01:01:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2020-10-13 01:01:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2020-10-13 01:01:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2020-10-13 01:01:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-13 01:01:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2020-10-13 01:01:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 01:01:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 01:01:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-13 01:01:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-13 01:01:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2020-10-13 01:01:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2020-10-13 01:01:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2020-10-13 01:01:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2020-10-13 01:01:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2020-10-13 01:01:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2020-10-13 01:01:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2020-10-13 01:01:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2020-10-13 01:01:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-13 01:01:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 01:01:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-13 01:01:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2020-10-13 01:01:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-13 01:01:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2020-10-13 01:01:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2020-10-13 01:01:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Echannel [2020-10-13 01:01:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-13 01:01:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-13 01:01:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-13 01:01:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 01:01:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-13 01:01:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-13 01:01:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-13 01:01:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 01:01:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-13 01:01:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 01:01:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 01:01:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 01:01:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 01:01:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-13 01:01:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 01:01:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 01:01:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 01:01:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 01:01:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 01:01:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 01:01:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2020-10-13 01:01:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 01:01:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-13 01:01:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-13 01:01:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 01:01:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 01:01:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 01:01:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 01:01:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-13 01:01:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 01:01:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 01:01:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 01:01:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 01:01:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-13 01:01:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 01:01:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 01:01:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-13 01:01:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 01:01:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 01:01:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 01:01:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 01:01:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 01:01:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 01:01:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2020-10-13 01:01:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2020-10-13 01:01:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 01:01:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-13 01:01:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 01:01:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-13 01:01:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 01:01:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-13 01:01:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 01:01:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-13 01:01:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 01:01:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 01:01:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 01:01:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 01:01:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 01:01:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 01:01:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 01:01:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-13 01:01:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 01:01:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_42 [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 01:01:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_43 [2020-10-13 01:01:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-13 01:01:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 01:01:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-13 01:01:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-13 01:01:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 01:01:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_37 [2020-10-13 01:01:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_39 [2020-10-13 01:01:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_41 [2020-10-13 01:01:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 01:01:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 01:01:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-13 01:01:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2020-10-13 01:01:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2020-10-13 01:01:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2020-10-13 01:01:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_38 [2020-10-13 01:01:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_40 [2020-10-13 01:01:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 01:01:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-13 01:01:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-13 01:01:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 01:01:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2020-10-13 01:01:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-13 01:01:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-13 01:01:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_20 [2020-10-13 01:01:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-13 01:01:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-13 01:01:59,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2020-10-13 01:01:59,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2020-10-13 01:01:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-13 01:01:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2020-10-13 01:01:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-13 01:01:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2020-10-13 01:01:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2020-10-13 01:01:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-13 01:01:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 01:01:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-13 01:01:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-13 01:01:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-13 01:01:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-13 01:01:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2020-10-13 01:01:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-13 01:01:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-13 01:01:59,923 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2020-10-13 01:01:59,924 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2020-10-13 01:01:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Echannel [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_ph_command [2020-10-13 01:01:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure release_hw [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure reset_hfcsusb [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure setPortMode [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_start_endpoint [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_stop_endpoint [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_setup_bch [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_bchannel [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_ph_info [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2020-10-13 01:01:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure hfcusb_l2l1B [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure hfcusb_l2l1D [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_l1callback [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2020-10-13 01:01:59,928 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2020-10-13 01:01:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_dctrl [2020-10-13 01:01:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state_te [2020-10-13 01:01:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state_nt [2020-10-13 01:01:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state [2020-10-13 01:01:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2020-10-13 01:01:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_rx_frame [2020-10-13 01:01:59,929 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2020-10-13 01:01:59,930 INFO L130 BoogieDeclarations]: Found specification of procedure rx_iso_complete [2020-10-13 01:01:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 01:01:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int_complete [2020-10-13 01:01:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure tx_iso_complete [2020-10-13 01:01:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 01:01:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2020-10-13 01:01:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure stop_iso_gracefull [2020-10-13 01:01:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure stop_int_gracefull [2020-10-13 01:01:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hfcsusb [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_bctrl [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_probe [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_disconnect [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_drv_init [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_drv_exit [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 01:01:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 01:01:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 01:01:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 01:01:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 01:01:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 01:01:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 01:01:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 01:01:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 01:01:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 01:02:01,293 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 01:02:13,725 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 01:02:13,725 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 01:02:13,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:13 BoogieIcfgContainer [2020-10-13 01:02:13,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 01:02:13,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 01:02:13,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 01:02:13,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 01:02:13,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:01:55" (1/3) ... [2020-10-13 01:02:13,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e6c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:13, skipping insertion in model container [2020-10-13 01:02:13,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:59" (2/3) ... [2020-10-13 01:02:13,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2e6c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:02:13, skipping insertion in model container [2020-10-13 01:02:13,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:02:13" (3/3) ... [2020-10-13 01:02:13,749 INFO L109 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 [2020-10-13 01:02:13,760 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 01:02:13,773 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 01:02:13,791 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 01:02:13,835 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 01:02:13,836 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 01:02:13,836 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 01:02:13,836 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 01:02:13,836 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 01:02:13,836 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 01:02:13,836 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 01:02:13,838 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 01:02:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states. [2020-10-13 01:02:13,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 01:02:13,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:02:13,913 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] [2020-10-13 01:02:13,914 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:02:13,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:02:13,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1157232869, now seen corresponding path program 1 times [2020-10-13 01:02:13,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:02:13,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1677510431] [2020-10-13 01:02:13,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:02:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:02:15,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:16,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:16,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:24,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:02:52,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:02:52,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 01:02:52,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 01:02:52,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37769 [2020-10-13 01:02:52,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:02:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 01:02:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 01:02:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 01:02:52,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 01:03:02,443 WARN L193 SmtUtils]: Spent 9.12 s on a formula simplification that was a NOOP. DAG size: 1531 [2020-10-13 01:03:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 01:03:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:03:02,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:03:10,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:03:10,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:03:10,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:03:10,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8193 [2020-10-13 01:03:10,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:03:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:03:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:03:10,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 01:03:10,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:03:11,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 01:03:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:03:11,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:03:11,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:03:11,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 01:03:11,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:03:11,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 01:03:11,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:03:11,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 01:03:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 01:03:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 01:03:11,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:03:11,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 01:03:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:03:11,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:03:11,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:03:11,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 01:03:11,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:03:11,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 01:03:11,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:03:11,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:03:11,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:03:11,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 01:03:11,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:03:11,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 01:03:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:03:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:03:11,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:03:11,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:03:11,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:03:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 01:03:11,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:03:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:03:11,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:03:11,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 01:03:11,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:03:11,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 01:03:11,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1677510431] [2020-10-13 01:03:11,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 01:03:11,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 01:03:11,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112895562] [2020-10-13 01:03:11,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 01:03:11,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 01:03:11,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 01:03:11,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 01:03:11,355 INFO L87 Difference]: Start difference. First operand 1610 states. Second operand 8 states. [2020-10-13 01:03:19,978 WARN L193 SmtUtils]: Spent 8.49 s on a formula simplification that was a NOOP. DAG size: 1534 [2020-10-13 01:03:31,448 WARN L193 SmtUtils]: Spent 8.76 s on a formula simplification that was a NOOP. DAG size: 1540 [2020-10-13 01:04:16,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 01:04:16,935 INFO L93 Difference]: Finished difference Result 1981 states and 2772 transitions. [2020-10-13 01:04:16,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 01:04:16,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-10-13 01:04:16,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 01:04:16,984 INFO L225 Difference]: With dead ends: 1981 [2020-10-13 01:04:16,985 INFO L226 Difference]: Without dead ends: 1276 [2020-10-13 01:04:16,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 26.9s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-13 01:04:17,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-10-13 01:04:17,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1054. [2020-10-13 01:04:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2020-10-13 01:04:17,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1443 transitions. [2020-10-13 01:04:17,727 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1443 transitions. Word has length 41 [2020-10-13 01:04:17,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 01:04:17,728 INFO L479 AbstractCegarLoop]: Abstraction has 1054 states and 1443 transitions. [2020-10-13 01:04:17,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 01:04:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1443 transitions. [2020-10-13 01:04:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 01:04:17,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:04:17,735 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] [2020-10-13 01:04:17,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 01:04:17,735 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:04:17,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:04:17,736 INFO L82 PathProgramCache]: Analyzing trace with hash -660836133, now seen corresponding path program 1 times [2020-10-13 01:04:17,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:04:17,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494797528] [2020-10-13 01:04:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:04:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:18,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:18,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:19,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:26,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:26,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-13 01:04:26,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 01:04:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8069 [2020-10-13 01:04:26,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 01:04:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 01:04:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 01:04:26,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:04:35,382 WARN L193 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 1531 [2020-10-13 01:04:35,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 01:04:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:35,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:39,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:39,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:04:39,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:04:39,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3861 [2020-10-13 01:04:39,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:04:39,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:04:39,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:04:39,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 01:04:39,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 01:04:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:39,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:39,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 01:04:39,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:04:39,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 01:04:39,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:04:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:04:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:04:39,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:04:39,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 01:04:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:39,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:39,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 01:04:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:04:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 01:04:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:04:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 01:04:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:04:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:04:39,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 01:04:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:04:39,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:04:39,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 01:04:39,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 01:04:39,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 01:04:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 01:04:39,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-13 01:04:39,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 01:04:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 01:04:39,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 01:04:39,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 01:04:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-13 01:04:39,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494797528] [2020-10-13 01:04:39,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 01:04:39,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 01:04:39,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656662436] [2020-10-13 01:04:39,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 01:04:39,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 01:04:39,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 01:04:39,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 01:04:39,641 INFO L87 Difference]: Start difference. First operand 1054 states and 1443 transitions. Second operand 5 states. [2020-10-13 01:04:48,725 WARN L193 SmtUtils]: Spent 9.02 s on a formula simplification that was a NOOP. DAG size: 1534 [2020-10-13 01:05:01,663 WARN L193 SmtUtils]: Spent 9.00 s on a formula simplification that was a NOOP. DAG size: 1536 [2020-10-13 01:05:29,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 01:05:29,673 INFO L93 Difference]: Finished difference Result 2249 states and 3127 transitions. [2020-10-13 01:05:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 01:05:29,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-10-13 01:05:29,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 01:05:29,683 INFO L225 Difference]: With dead ends: 2249 [2020-10-13 01:05:29,684 INFO L226 Difference]: Without dead ends: 1212 [2020-10-13 01:05:29,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 27.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-13 01:05:29,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2020-10-13 01:05:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1092. [2020-10-13 01:05:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1092 states. [2020-10-13 01:05:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1499 transitions. [2020-10-13 01:05:30,290 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1499 transitions. Word has length 47 [2020-10-13 01:05:30,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 01:05:30,291 INFO L479 AbstractCegarLoop]: Abstraction has 1092 states and 1499 transitions. [2020-10-13 01:05:30,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 01:05:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1499 transitions. [2020-10-13 01:05:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-13 01:05:30,295 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 01:05:30,296 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 01:05:30,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 01:05:30,296 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 01:05:30,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 01:05:30,297 INFO L82 PathProgramCache]: Analyzing trace with hash 959988781, now seen corresponding path program 1 times [2020-10-13 01:05:30,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 01:05:30,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059501197] [2020-10-13 01:05:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 01:05:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 01:05:30,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 01:05:31,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking...