/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 11:15:40,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 11:15:40,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 11:15:40,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 11:15:40,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 11:15:40,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 11:15:40,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 11:15:40,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 11:15:40,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 11:15:40,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 11:15:40,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 11:15:40,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 11:15:40,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 11:15:40,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 11:15:40,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 11:15:40,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 11:15:40,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 11:15:40,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 11:15:40,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 11:15:40,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 11:15:40,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 11:15:40,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 11:15:40,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 11:15:40,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 11:15:40,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 11:15:40,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 11:15:40,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 11:15:40,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 11:15:40,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 11:15:40,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 11:15:40,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 11:15:40,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 11:15:40,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 11:15:40,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 11:15:40,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 11:15:40,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 11:15:40,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 11:15:40,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 11:15:40,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 11:15:40,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 11:15:40,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 11:15:40,895 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 [2020-10-15 11:15:40,931 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 11:15:40,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 11:15:40,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 11:15:40,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 11:15:40,934 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 11:15:40,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 11:15:40,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 11:15:40,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 11:15:40,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 11:15:40,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 11:15:40,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 11:15:40,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 11:15:40,937 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 11:15:40,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 11:15:40,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 11:15:40,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 11:15:40,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 11:15:40,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 11:15:40,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 11:15:40,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 11:15:40,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 11:15:40,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 11:15:40,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 11:15:40,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 11:15:40,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 11:15:40,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 11:15:40,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 11:15:40,941 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 11:15:41,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 11:15:41,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 11:15:41,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 11:15:41,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 11:15:41,240 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 11:15:41,241 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2020-10-15 11:15:41,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad72fd920/ebd1423156304d50ad5db78bea2841de/FLAGca7d962bb [2020-10-15 11:15:42,154 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 11:15:42,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2020-10-15 11:15:42,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad72fd920/ebd1423156304d50ad5db78bea2841de/FLAGca7d962bb [2020-10-15 11:15:42,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad72fd920/ebd1423156304d50ad5db78bea2841de [2020-10-15 11:15:42,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 11:15:42,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 11:15:42,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 11:15:42,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 11:15:42,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 11:15:42,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:15:42" (1/1) ... [2020-10-15 11:15:42,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d55f613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:42, skipping insertion in model container [2020-10-15 11:15:42,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:15:42" (1/1) ... [2020-10-15 11:15:42,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 11:15:42,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 11:15:45,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 11:15:45,455 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 11:15:45,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 11:15:46,182 INFO L208 MainTranslator]: Completed translation [2020-10-15 11:15:46,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46 WrapperNode [2020-10-15 11:15:46,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 11:15:46,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 11:15:46,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 11:15:46,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 11:15:46,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (1/1) ... [2020-10-15 11:15:46,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (1/1) ... [2020-10-15 11:15:46,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (1/1) ... [2020-10-15 11:15:46,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (1/1) ... [2020-10-15 11:15:46,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (1/1) ... [2020-10-15 11:15:46,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (1/1) ... [2020-10-15 11:15:46,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (1/1) ... [2020-10-15 11:15:46,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 11:15:46,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 11:15:46,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 11:15:46,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 11:15:46,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (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 [2020-10-15 11:15:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 11:15:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 11:15:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 11:15:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-15 11:15:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-15 11:15:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-15 11:15:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-15 11:15:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 11:15:46,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 11:15:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 11:15:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-15 11:15:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-15 11:15:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 11:15:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 11:15:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 11:15:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 11:15:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-15 11:15:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-15 11:15:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 11:15:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2020-10-15 11:15:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2020-10-15 11:15:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2020-10-15 11:15:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-15 11:15:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-15 11:15:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-15 11:15:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-15 11:15:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2020-10-15 11:15:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2020-10-15 11:15:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-15 11:15:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-15 11:15:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-15 11:15:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 11:15:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 11:15:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-15 11:15:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-15 11:15:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2020-10-15 11:15:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2020-10-15 11:15:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-15 11:15:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2020-10-15 11:15:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2020-10-15 11:15:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2020-10-15 11:15:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2020-10-15 11:15:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug [2020-10-15 11:15:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2020-10-15 11:15:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2020-10-15 11:15:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2020-10-15 11:15:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2020-10-15 11:15:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_hwirq [2020-10-15 11:15:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2020-10-15 11:15:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692Version [2020-10-15 11:15:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2020-10-15 11:15:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2020-10-15 11:15:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_new_ph [2020-10-15 11:15:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_ph_bh [2020-10-15 11:15:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2020-10-15 11:15:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2020-10-15 11:15:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure d_retransmit [2020-10-15 11:15:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rxD [2020-10-15 11:15:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_txD [2020-10-15 11:15:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_statusD [2020-10-15 11:15:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2020-10-15 11:15:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2020-10-15 11:15:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pots [2020-10-15 11:15:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2020-10-15 11:15:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2020-10-15 11:15:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2020-10-15 11:15:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_irq [2020-10-15 11:15:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dbusy_timer_handler [2020-10-15 11:15:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure initW6692 [2020-10-15 11:15:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_w6692 [2020-10-15 11:15:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2020-10-15 11:15:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1B [2020-10-15 11:15:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2020-10-15 11:15:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2020-10-15 11:15:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2020-10-15 11:15:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_bctrl [2020-10-15 11:15:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1D [2020-10-15 11:15:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l1callback [2020-10-15 11:15:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2020-10-15 11:15:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_dctrl [2020-10-15 11:15:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_w6692 [2020-10-15 11:15:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2020-10-15 11:15:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2020-10-15 11:15:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2020-10-15 11:15:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_remove_pci [2020-10-15 11:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_init [2020-10-15 11:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_cleanup [2020-10-15 11:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2020-10-15 11:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_kernel_param_ops_5 [2020-10-15 11:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-15 11:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-15 11:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-15 11:15:46,720 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2020-10-15 11:15:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-15 11:15:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-15 11:15:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-15 11:15:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-15 11:15:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-15 11:15:46,721 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2020-10-15 11:15:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2020-10-15 11:15:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2020-10-15 11:15:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-15 11:15:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 11:15:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 11:15:46,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 11:15:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 11:15:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 11:15:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-15 11:15:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2020-10-15 11:15:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2020-10-15 11:15:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2020-10-15 11:15:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2020-10-15 11:15:46,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2020-10-15 11:15:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2020-10-15 11:15:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2020-10-15 11:15:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2020-10-15 11:15:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2020-10-15 11:15:46,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_37 [2020-10-15 11:15:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_38 [2020-10-15 11:15:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_39 [2020-10-15 11:15:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_40 [2020-10-15 11:15:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2020-10-15 11:15:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2020-10-15 11:15:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2020-10-15 11:15:46,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2020-10-15 11:15:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2020-10-15 11:15:46,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2020-10-15 11:15:46,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 11:15:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 11:15:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-15 11:15:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-15 11:15:46,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-15 11:15:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-15 11:15:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-15 11:15:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-15 11:15:46,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-15 11:15:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-15 11:15:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-15 11:15:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-15 11:15:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-15 11:15:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-15 11:15:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-15 11:15:46,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 11:15:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-15 11:15:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-15 11:15:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2020-10-15 11:15:46,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2020-10-15 11:15:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 11:15:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 11:15:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 11:15:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2020-10-15 11:15:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2020-10-15 11:15:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-15 11:15:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2020-10-15 11:15:46,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2020-10-15 11:15:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-15 11:15:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-15 11:15:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2020-10-15 11:15:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2020-10-15 11:15:46,743 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-15 11:15:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-15 11:15:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2020-10-15 11:15:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2020-10-15 11:15:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2020-10-15 11:15:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 11:15:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 11:15:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2020-10-15 11:15:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2020-10-15 11:15:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_uint [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_uint [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2020-10-15 11:15:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 11:15:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2020-10-15 11:15:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-15 11:15:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2020-10-15 11:15:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2020-10-15 11:15:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-15 11:15:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 11:15:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-15 11:15:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-15 11:15:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-15 11:15:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 11:15:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 11:15:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 11:15:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 11:15:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 11:15:46,748 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2020-10-15 11:15:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 11:15:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-15 11:15:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-15 11:15:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-15 11:15:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 11:15:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 11:15:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-15 11:15:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2020-10-15 11:15:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-15 11:15:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-15 11:15:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-15 11:15:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 11:15:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 11:15:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 11:15:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 11:15:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 11:15:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 11:15:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 11:15:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 11:15:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 11:15:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 11:15:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 11:15:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-15 11:15:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-15 11:15:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 11:15:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 11:15:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 11:15:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 11:15:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-15 11:15:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-15 11:15:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 11:15:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-15 11:15:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-15 11:15:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 11:15:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 11:15:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 11:15:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 11:15:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 11:15:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2020-10-15 11:15:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2020-10-15 11:15:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2020-10-15 11:15:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2020-10-15 11:15:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 11:15:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2020-10-15 11:15:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 11:15:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2020-10-15 11:15:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 11:15:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2020-10-15 11:15:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 11:15:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-15 11:15:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_37 [2020-10-15 11:15:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_38 [2020-10-15 11:15:46,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_39 [2020-10-15 11:15:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2020-10-15 11:15:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-15 11:15:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-15 11:15:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-15 11:15:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-15 11:15:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-15 11:15:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-15 11:15:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-15 11:15:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-15 11:15:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-15 11:15:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2020-10-15 11:15:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2020-10-15 11:15:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-15 11:15:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_uint [2020-10-15 11:15:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_uint [2020-10-15 11:15:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-15 11:15:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-15 11:15:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 11:15:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 11:15:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-15 11:15:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2020-10-15 11:15:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_kernel_param_ops_5 [2020-10-15 11:15:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-15 11:15:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-15 11:15:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-15 11:15:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2020-10-15 11:15:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-15 11:15:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-15 11:15:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-15 11:15:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-15 11:15:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-15 11:15:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2020-10-15 11:15:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2020-10-15 11:15:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2020-10-15 11:15:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-15 11:15:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-15 11:15:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-15 11:15:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_40 [2020-10-15 11:15:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-15 11:15:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2020-10-15 11:15:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2020-10-15 11:15:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2020-10-15 11:15:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-15 11:15:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2020-10-15 11:15:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-15 11:15:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-15 11:15:46,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 11:15:46,770 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2020-10-15 11:15:46,771 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2020-10-15 11:15:46,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure enable_hwirq [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2020-10-15 11:15:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure W6692Version [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_new_ph [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_ph_bh [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure d_retransmit [2020-10-15 11:15:46,774 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rxD [2020-10-15 11:15:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure handle_txD [2020-10-15 11:15:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure handle_statusD [2020-10-15 11:15:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2020-10-15 11:15:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2020-10-15 11:15:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pots [2020-10-15 11:15:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2020-10-15 11:15:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2020-10-15 11:15:46,775 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2020-10-15 11:15:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_irq [2020-10-15 11:15:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure dbusy_timer_handler [2020-10-15 11:15:46,776 INFO L130 BoogieDeclarations]: Found specification of procedure initW6692 [2020-10-15 11:15:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure reset_w6692 [2020-10-15 11:15:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2020-10-15 11:15:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1B [2020-10-15 11:15:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2020-10-15 11:15:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2020-10-15 11:15:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2020-10-15 11:15:46,777 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_bctrl [2020-10-15 11:15:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1D [2020-10-15 11:15:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l1callback [2020-10-15 11:15:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2020-10-15 11:15:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_dctrl [2020-10-15 11:15:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure setup_w6692 [2020-10-15 11:15:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2020-10-15 11:15:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2020-10-15 11:15:46,778 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2020-10-15 11:15:46,780 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_remove_pci [2020-10-15 11:15:46,780 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_init [2020-10-15 11:15:46,780 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_cleanup [2020-10-15 11:15:46,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 11:15:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 11:15:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2020-10-15 11:15:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-15 11:15:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 11:15:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 11:15:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 11:15:46,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 11:15:46,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 11:15:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 11:15:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 11:15:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 11:15:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 11:15:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 11:15:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 11:15:46,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 11:15:47,844 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 11:16:02,401 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 11:16:02,401 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 11:16:02,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:16:02 BoogieIcfgContainer [2020-10-15 11:16:02,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 11:16:02,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 11:16:02,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 11:16:02,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 11:16:02,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:15:42" (1/3) ... [2020-10-15 11:16:02,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d120bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:16:02, skipping insertion in model container [2020-10-15 11:16:02,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:15:46" (2/3) ... [2020-10-15 11:16:02,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d120bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:16:02, skipping insertion in model container [2020-10-15 11:16:02,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:16:02" (3/3) ... [2020-10-15 11:16:02,422 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2020-10-15 11:16:02,432 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 11:16:02,444 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 11:16:02,458 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 11:16:02,488 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 11:16:02,488 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 11:16:02,488 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 11:16:02,488 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 11:16:02,488 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 11:16:02,489 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 11:16:02,489 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 11:16:02,489 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 11:16:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states. [2020-10-15 11:16:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-15 11:16:02,548 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 11:16:02,549 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 11:16:02,549 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 11:16:02,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 11:16:02,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1308443734, now seen corresponding path program 1 times [2020-10-15 11:16:02,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 11:16:02,564 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639362044] [2020-10-15 11:16:02,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 11:16:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:04,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:04,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:10,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:10,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-15 11:16:10,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 11:16:10,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6674 [2020-10-15 11:16:10,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:10,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:10,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:10,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-15 11:16:10,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:10,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 11:16:24,330 WARN L193 SmtUtils]: Spent 13.42 s on a formula simplification that was a NOOP. DAG size: 1888 [2020-10-15 11:16:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:16:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:24,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:27,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:27,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:16:27,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:16:27,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3486 [2020-10-15 11:16:27,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:27,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:27,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:16:27,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:27,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:16:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:16:28,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:16:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-15 11:16:28,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 11:16:28,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:16:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:16:28,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:16:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 11:16:28,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:16:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:16:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:16:28,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:16:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 11:16:28,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 11:16:28,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 11:16:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:16:28,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:16:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-15 11:16:28,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 11:16:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:16:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:16:28,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:16:28,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 11:16:28,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:16:28,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:16:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:16:28,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:16:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 11:16:28,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 11:16:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 11:16:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:16:28,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:16:28,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 11:16:28,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 11:16:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:16:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:16:28,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:16:28,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 11:16:28,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:16:28,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 11:16:28,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:16:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:16:28,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:16:28,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 11:16:28,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 11:16:28,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:16:28,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 11:16:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:16:28,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:16:28,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:16:28,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 11:16:28,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:16:28,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 11:16:28,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:16:28,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:16:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:16:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 11:16:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:16:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:16:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-15 11:16:28,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639362044] [2020-10-15 11:16:28,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 11:16:28,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-15 11:16:28,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007365597] [2020-10-15 11:16:28,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 11:16:28,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 11:16:28,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 11:16:28,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 11:16:28,970 INFO L87 Difference]: Start difference. First operand 1662 states. Second operand 5 states. [2020-10-15 11:16:42,230 WARN L193 SmtUtils]: Spent 13.18 s on a formula simplification that was a NOOP. DAG size: 1891 [2020-10-15 11:17:37,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 11:17:37,669 INFO L93 Difference]: Finished difference Result 2769 states and 3723 transitions. [2020-10-15 11:17:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 11:17:37,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-10-15 11:17:37,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 11:17:37,707 INFO L225 Difference]: With dead ends: 2769 [2020-10-15 11:17:37,708 INFO L226 Difference]: Without dead ends: 1450 [2020-10-15 11:17:37,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-15 11:17:37,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2020-10-15 11:17:38,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1268. [2020-10-15 11:17:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1268 states. [2020-10-15 11:17:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1686 transitions. [2020-10-15 11:17:38,455 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1686 transitions. Word has length 72 [2020-10-15 11:17:38,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 11:17:38,456 INFO L479 AbstractCegarLoop]: Abstraction has 1268 states and 1686 transitions. [2020-10-15 11:17:38,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 11:17:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1686 transitions. [2020-10-15 11:17:38,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-15 11:17:38,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 11:17:38,461 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 11:17:38,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 11:17:38,461 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 11:17:38,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 11:17:38,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1161410980, now seen corresponding path program 1 times [2020-10-15 11:17:38,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 11:17:38,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519447999] [2020-10-15 11:17:38,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 11:17:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:17:39,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:17:52,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:17:52,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-15 11:17:52,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:17:52,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13610 [2020-10-15 11:17:52,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:17:52,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:17:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:17:52,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-15 11:17:52,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 11:17:52,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:18:06,074 WARN L193 SmtUtils]: Spent 13.29 s on a formula simplification that was a NOOP. DAG size: 1888 [2020-10-15 11:18:06,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:18:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:06,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:08,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:08,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:18:08,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2835 [2020-10-15 11:18:08,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:08,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:18:09,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:18:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:18:09,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 11:18:09,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:18:09,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:18:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:18:09,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 11:18:09,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:18:09,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:18:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:18:09,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 11:18:09,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:18:09,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 11:18:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:18:09,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 11:18:09,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:18:09,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:18:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:18:09,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 11:18:09,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:18:09,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:18:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:18:09,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 11:18:09,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:18:09,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 11:18:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:18:09,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 11:18:09,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:18:09,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:18:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:18:09,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 11:18:09,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:18:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:18:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:18:09,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 11:18:09,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 11:18:09,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 11:18:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:18:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:18:09,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:18:09,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 11:18:09,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:18:09,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 11:18:09,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:18:09,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:18:09,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:18:09,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:18:09,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:18:09,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:18:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-15 11:18:09,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519447999] [2020-10-15 11:18:09,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 11:18:09,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 11:18:09,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812157870] [2020-10-15 11:18:09,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 11:18:09,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 11:18:09,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 11:18:09,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 11:18:09,640 INFO L87 Difference]: Start difference. First operand 1268 states and 1686 transitions. Second operand 6 states. [2020-10-15 11:18:23,096 WARN L193 SmtUtils]: Spent 13.41 s on a formula simplification that was a NOOP. DAG size: 1891 [2020-10-15 11:18:40,363 WARN L193 SmtUtils]: Spent 13.70 s on a formula simplification that was a NOOP. DAG size: 1893 [2020-10-15 11:18:56,837 WARN L193 SmtUtils]: Spent 13.49 s on a formula simplification that was a NOOP. DAG size: 1890