/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 SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:11:59,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:11:59,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:11:59,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:11:59,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:11:59,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:11:59,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:11:59,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:11:59,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:11:59,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:11:59,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:11:59,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:11:59,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:11:59,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:11:59,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:11:59,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:11:59,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:11:59,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:11:59,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:11:59,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:11:59,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:11:59,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:11:59,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:11:59,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:11:59,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:11:59,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:11:59,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:11:59,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:11:59,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:11:59,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:11:59,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:11:59,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:11:59,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:11:59,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:11:59,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:11:59,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:11:59,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:11:59,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:11:59,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:11:59,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:11:59,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:11:59,709 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 [2020-09-24 21:11:59,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:11:59,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:11:59,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:11:59,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:11:59,761 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:11:59,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:11:59,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:11:59,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:11:59,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:11:59,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:11:59,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:11:59,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:11:59,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:11:59,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:11:59,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:11:59,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:11:59,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:11:59,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:11:59,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:11:59,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:11:59,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:11:59,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:11:59,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:11:59,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:11:59,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:11:59,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:11:59,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 21:11:59,768 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 21:12:00,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:12:00,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:12:00,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:12:00,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:12:00,260 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:12:00,261 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 21:12:00,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2faeaedbe/c07954d2a5154d769ea33b8adaf1ff97/FLAG7b4a47adb [2020-09-24 21:12:01,144 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:12:01,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 21:12:01,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2faeaedbe/c07954d2a5154d769ea33b8adaf1ff97/FLAG7b4a47adb [2020-09-24 21:12:01,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2faeaedbe/c07954d2a5154d769ea33b8adaf1ff97 [2020-09-24 21:12:01,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:12:01,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:12:01,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:12:01,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:12:01,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:12:01,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:12:01" (1/1) ... [2020-09-24 21:12:01,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235e1467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:01, skipping insertion in model container [2020-09-24 21:12:01,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:12:01" (1/1) ... [2020-09-24 21:12:01,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:12:01,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:12:02,487 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-24 21:12:02,488 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-09-24 21:12:03,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:12:03,425 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:12:03,511 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-24 21:12:03,511 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-09-24 21:12:03,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:12:03,729 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:12:03,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03 WrapperNode [2020-09-24 21:12:03,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:12:03,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:12:03,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:12:03,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:12:03,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (1/1) ... [2020-09-24 21:12:03,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (1/1) ... [2020-09-24 21:12:03,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (1/1) ... [2020-09-24 21:12:03,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (1/1) ... [2020-09-24 21:12:03,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (1/1) ... [2020-09-24 21:12:03,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (1/1) ... [2020-09-24 21:12:03,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (1/1) ... [2020-09-24 21:12:04,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:12:04,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:12:04,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:12:04,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:12:04,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (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 [2020-09-24 21:12:04,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:12:04,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:12:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 21:12:04,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-24 21:12:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 21:12:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 21:12:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-09-24 21:12:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-09-24 21:12:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-09-24 21:12:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-09-24 21:12:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 21:12:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-24 21:12:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-24 21:12:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-24 21:12:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 21:12:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 21:12:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 21:12:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 21:12:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 21:12:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 21:12:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 21:12:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 21:12:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 21:12:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 21:12:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 21:12:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 21:12:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 21:12:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 21:12:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-09-24 21:12:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-24 21:12:04,143 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-09-24 21:12:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-09-24 21:12:04,144 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-09-24 21:12:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-09-24 21:12:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-09-24 21:12:04,145 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-09-24 21:12:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-09-24 21:12:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-09-24 21:12:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-09-24 21:12:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-09-24 21:12:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-09-24 21:12:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-09-24 21:12:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-09-24 21:12:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-09-24 21:12:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-09-24 21:12:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-09-24 21:12:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-09-24 21:12:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-09-24 21:12:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-09-24 21:12:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-09-24 21:12:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-09-24 21:12:04,152 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-09-24 21:12:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-09-24 21:12:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-09-24 21:12:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-09-24 21:12:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-09-24 21:12:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-09-24 21:12:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-09-24 21:12:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-09-24 21:12:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-09-24 21:12:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:12:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 21:12:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 21:12:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 21:12:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 21:12:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 21:12:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 21:12:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 21:12:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-24 21:12:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-09-24 21:12:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-09-24 21:12:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-09-24 21:12:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-09-24 21:12:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-09-24 21:12:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-09-24 21:12:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-09-24 21:12:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-09-24 21:12:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-09-24 21:12:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-09-24 21:12:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-09-24 21:12:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-09-24 21:12:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 21:12:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-09-24 21:12:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 21:12:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 21:12:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 21:12:04,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 21:12:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 21:12:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 21:12:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-09-24 21:12:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-09-24 21:12:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-24 21:12:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-24 21:12:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 21:12:04,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 21:12:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:12:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 21:12:04,167 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 21:12:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-09-24 21:12:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-09-24 21:12:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-09-24 21:12:04,168 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 21:12:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-09-24 21:12:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 21:12:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-24 21:12:04,169 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-24 21:12:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-09-24 21:12:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-09-24 21:12:04,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:12:04,171 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 21:12:04,213 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-24 21:12:04,213 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-24 21:12:04,213 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-24 21:12:04,213 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 21:12:04,213 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-24 21:12:04,213 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-24 21:12:04,214 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 21:12:04,214 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 21:12:04,214 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 21:12:04,214 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 21:12:04,214 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 21:12:04,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 21:12:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:12:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 21:12:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:12:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 21:12:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 21:12:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 21:12:04,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 21:12:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:12:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 21:12:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 21:12:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 21:12:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 21:12:04,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 21:12:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 21:12:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 21:12:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-09-24 21:12:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-09-24 21:12:04,217 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-24 21:12:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 21:12:04,219 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 21:12:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 21:12:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:12:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-09-24 21:12:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-09-24 21:12:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-24 21:12:04,223 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-09-24 21:12:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-09-24 21:12:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-09-24 21:12:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-09-24 21:12:04,224 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-09-24 21:12:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-09-24 21:12:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-09-24 21:12:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-09-24 21:12:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-09-24 21:12:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-09-24 21:12:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-09-24 21:12:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-09-24 21:12:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-09-24 21:12:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-09-24 21:12:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-09-24 21:12:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 21:12:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:12:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-09-24 21:12:04,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-24 21:12:04,230 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-09-24 21:12:04,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 21:12:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-09-24 21:12:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-09-24 21:12:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-09-24 21:12:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-09-24 21:12:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:12:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-09-24 21:12:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-09-24 21:12:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-09-24 21:12:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-09-24 21:12:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:12:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:12:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-09-24 21:12:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-09-24 21:12:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-09-24 21:12:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-09-24 21:12:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-09-24 21:12:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-09-24 21:12:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-09-24 21:12:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-09-24 21:12:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-09-24 21:12:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-09-24 21:12:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-09-24 21:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-09-24 21:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-09-24 21:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-09-24 21:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 21:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 21:12:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 21:12:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-09-24 21:12:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:12:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 21:12:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 21:12:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 21:12:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 21:12:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 21:12:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 21:12:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:12:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:12:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:12:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 21:12:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:12:05,428 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 21:12:07,510 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:12:07,511 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 21:12:07,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:12:07 BoogieIcfgContainer [2020-09-24 21:12:07,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:12:07,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:12:07,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:12:07,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:12:07,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:12:01" (1/3) ... [2020-09-24 21:12:07,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dee6684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:12:07, skipping insertion in model container [2020-09-24 21:12:07,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:12:03" (2/3) ... [2020-09-24 21:12:07,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dee6684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:12:07, skipping insertion in model container [2020-09-24 21:12:07,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:12:07" (3/3) ... [2020-09-24 21:12:07,549 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 21:12:07,561 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:12:07,576 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:12:07,599 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:12:07,646 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:12:07,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:12:07,647 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:12:07,647 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:12:07,647 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:12:07,647 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:12:07,647 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:12:07,648 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:12:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states. [2020-09-24 21:12:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-24 21:12:07,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:12:07,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:12:07,724 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:12:07,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:12:07,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1254517513, now seen corresponding path program 1 times [2020-09-24 21:12:07,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:12:07,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247021607] [2020-09-24 21:12:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:12:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:10,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:10,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-24 21:12:10,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:12:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2532 [2020-09-24 21:12:10,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:10,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-09-24 21:12:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:12:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 21:12:11,482 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 21:12:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:11,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:11,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:11,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 21:12:11,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:11,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-09-24 21:12:11,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:11,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:11,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:11,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 21:12:12,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 21:12:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:12,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:12,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:12,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:12,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:12,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 21:12:12,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:12,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 21:12:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:12,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:12,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:12,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:12:12,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:12:12,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:12:12,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247021607] [2020-09-24 21:12:12,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:12:12,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 21:12:12,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146686468] [2020-09-24 21:12:12,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 21:12:12,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:12:12,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 21:12:12,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:12:12,294 INFO L87 Difference]: Start difference. First operand 2037 states. Second operand 5 states. [2020-09-24 21:12:14,133 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:26,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:12:26,117 INFO L93 Difference]: Finished difference Result 3999 states and 4517 transitions. [2020-09-24 21:12:26,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 21:12:26,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-09-24 21:12:26,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:12:26,161 INFO L225 Difference]: With dead ends: 3999 [2020-09-24 21:12:26,162 INFO L226 Difference]: Without dead ends: 2155 [2020-09-24 21:12:26,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:12:26,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2020-09-24 21:12:26,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2105. [2020-09-24 21:12:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2020-09-24 21:12:26,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2341 transitions. [2020-09-24 21:12:26,458 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2341 transitions. Word has length 260 [2020-09-24 21:12:26,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:12:26,460 INFO L479 AbstractCegarLoop]: Abstraction has 2105 states and 2341 transitions. [2020-09-24 21:12:26,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 21:12:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2341 transitions. [2020-09-24 21:12:26,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-09-24 21:12:26,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:12:26,469 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:12:26,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:12:26,469 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:12:26,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:12:26,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1717932618, now seen corresponding path program 1 times [2020-09-24 21:12:26,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:12:26,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468272101] [2020-09-24 21:12:26,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:12:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:26,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:27,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:27,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:29,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:29,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-09-24 21:12:29,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:12:29,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2998 [2020-09-24 21:12:29,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-24 21:12:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-24 21:12:29,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:30,281 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 21:12:30,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:12:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:30,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:30,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:30,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 21:12:30,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:30,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 554 [2020-09-24 21:12:30,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-09-24 21:12:30,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:31,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 21:12:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:31,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:31,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:31,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:31,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 21:12:31,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:31,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:31,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:31,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 21:12:31,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 21:12:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:31,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:31,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:12:31,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:31,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:12:31,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:12:31,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:31,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 21:12:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:31,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:31,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 21:12:31,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:12:31,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 21:12:31,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 21:12:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:31,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:12:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:31,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:31,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 21:12:31,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:12:31,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 21:12:31,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:12:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 21:12:31,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:31,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 21:12:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:31,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 21:12:31,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:31,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 21:12:31,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:31,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:31,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:31,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:31,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:31,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 21:12:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:31,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 21:12:31,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:31,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 21:12:31,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:31,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:12:31,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:31,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 21:12:31,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:12:31,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:12:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:12:31,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:12:31,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:12:31,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 21:12:31,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:12:31,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 21:12:31,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 21:12:31,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:12:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:12:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:12:31,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:12:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 21:12:31,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468272101] [2020-09-24 21:12:31,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:12:31,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:12:31,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013951765] [2020-09-24 21:12:31,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:12:31,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:12:31,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:12:31,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:12:31,810 INFO L87 Difference]: Start difference. First operand 2105 states and 2341 transitions. Second operand 8 states. [2020-09-24 21:12:33,404 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:45,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:12:45,590 INFO L93 Difference]: Finished difference Result 4103 states and 4608 transitions. [2020-09-24 21:12:45,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 21:12:45,591 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 333 [2020-09-24 21:12:45,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:12:45,594 INFO L225 Difference]: With dead ends: 4103 [2020-09-24 21:12:45,594 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:12:45,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-09-24 21:12:45,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:12:45,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:12:45,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:12:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:12:45,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 333 [2020-09-24 21:12:45,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:12:45,608 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:12:45,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:12:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:12:45,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:12:45,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:12:45,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:12:45,974 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:46,286 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:46,597 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-09-24 21:12:46,896 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:47,207 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:47,557 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:47,855 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:48,156 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-09-24 21:12:48,447 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-09-24 21:12:48,747 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:49,035 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:49,331 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:49,629 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:49,917 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:50,205 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:50,490 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:50,781 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:51,070 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:51,356 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:51,651 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:51,943 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:52,229 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 21:12:52,521 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 264