/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 0.1.25-177f698 [2020-08-22 05:10:58,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 05:10:58,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 05:10:58,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 05:10:58,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 05:10:58,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 05:10:58,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 05:10:58,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 05:10:58,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 05:10:58,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 05:10:58,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 05:10:58,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 05:10:58,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 05:10:58,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 05:10:58,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 05:10:58,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 05:10:58,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 05:10:58,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 05:10:58,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 05:10:58,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 05:10:58,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 05:10:58,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 05:10:58,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 05:10:58,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 05:10:58,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 05:10:58,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 05:10:58,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 05:10:58,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 05:10:58,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 05:10:58,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 05:10:58,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 05:10:58,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 05:10:58,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 05:10:58,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 05:10:58,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 05:10:58,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 05:10:58,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 05:10:58,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 05:10:58,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 05:10:58,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 05:10:58,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 05:10:58,473 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 [2020-08-22 05:10:58,497 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 05:10:58,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 05:10:58,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 05:10:58,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 05:10:58,499 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 05:10:58,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 05:10:58,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 05:10:58,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 05:10:58,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 05:10:58,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 05:10:58,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 05:10:58,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 05:10:58,500 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 05:10:58,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 05:10:58,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 05:10:58,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 05:10:58,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 05:10:58,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 05:10:58,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 05:10:58,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 05:10:58,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 05:10:58,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 05:10:58,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 05:10:58,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 05:10:58,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 05:10:58,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 05:10:58,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 05:10:58,503 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-08-22 05:10:58,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 05:10:58,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 05:10:58,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 05:10:58,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 05:10:58,817 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 05:10:58,818 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-08-22 05:10:58,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66ff8974d/2a4ca9f199e14a94b6580c7a90fff433/FLAGb61283999 [2020-08-22 05:10:59,669 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 05:10:59,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-08-22 05:10:59,700 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66ff8974d/2a4ca9f199e14a94b6580c7a90fff433/FLAGb61283999 [2020-08-22 05:10:59,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66ff8974d/2a4ca9f199e14a94b6580c7a90fff433 [2020-08-22 05:10:59,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 05:10:59,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 05:10:59,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 05:10:59,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 05:10:59,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 05:10:59,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:10:59" (1/1) ... [2020-08-22 05:10:59,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337f1f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:10:59, skipping insertion in model container [2020-08-22 05:10:59,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:10:59" (1/1) ... [2020-08-22 05:10:59,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 05:10:59,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 05:11:00,441 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-08-22 05:11:00,442 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] [2020-08-22 05:11:01,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:11:01,234 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 05:11:01,314 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-08-22 05:11:01,314 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] [2020-08-22 05:11:01,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:11:01,543 INFO L208 MainTranslator]: Completed translation [2020-08-22 05:11:01,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01 WrapperNode [2020-08-22 05:11:01,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 05:11:01,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 05:11:01,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 05:11:01,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 05:11:01,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (1/1) ... [2020-08-22 05:11:01,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (1/1) ... [2020-08-22 05:11:01,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (1/1) ... [2020-08-22 05:11:01,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (1/1) ... [2020-08-22 05:11:01,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (1/1) ... [2020-08-22 05:11:01,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (1/1) ... [2020-08-22 05:11:01,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (1/1) ... [2020-08-22 05:11:01,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 05:11:01,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 05:11:01,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 05:11:01,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 05:11:01,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (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 [2020-08-22 05:11:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 05:11:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 05:11:01,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-08-22 05:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-08-22 05:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-08-22 05:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-08-22 05:11:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-08-22 05:11:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-08-22 05:11:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-08-22 05:11:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-08-22 05:11:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-08-22 05:11:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-08-22 05:11:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-08-22 05:11:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-08-22 05:11:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-08-22 05:11:01,938 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-08-22 05:11:01,939 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-08-22 05:11:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 05:11:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-22 05:11:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-22 05:11:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-22 05:11:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-22 05:11:01,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-22 05:11:01,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-22 05:11:01,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-22 05:11:01,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-22 05:11:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-22 05:11:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-22 05:11:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-08-22 05:11:01,945 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-08-22 05:11:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-08-22 05:11:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-08-22 05:11:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-08-22 05:11:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-08-22 05:11:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-08-22 05:11:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-08-22 05:11:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-08-22 05:11:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-08-22 05:11:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-08-22 05:11:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-08-22 05:11:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-08-22 05:11:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-08-22 05:11:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-08-22 05:11:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-08-22 05:11:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-08-22 05:11:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-08-22 05:11:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-08-22 05:11:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-08-22 05:11:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-08-22 05:11:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-08-22 05:11:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-08-22 05:11:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-08-22 05:11:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-08-22 05:11:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-08-22 05:11:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-08-22 05:11:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-08-22 05:11:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-08-22 05:11:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-08-22 05:11:01,954 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-08-22 05:11:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-08-22 05:11:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 05:11:01,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-08-22 05:11:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-08-22 05:11:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-08-22 05:11:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-08-22 05:11:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-08-22 05:11:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-08-22 05:11:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-08-22 05:11:01,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-08-22 05:11:01,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-08-22 05:11:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-08-22 05:11:01,958 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-08-22 05:11:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-08-22 05:11:01,959 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-08-22 05:11:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-08-22 05:11:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-08-22 05:11:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-08-22 05:11:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-08-22 05:11:01,960 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-08-22 05:11:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-08-22 05:11:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-08-22 05:11:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-08-22 05:11:01,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-08-22 05:11:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-22 05:11:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-22 05:11:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-08-22 05:11:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-08-22 05:11:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-08-22 05:11:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-22 05:11:01,962 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-08-22 05:11:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-08-22 05:11:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-08-22 05:11:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-08-22 05:11:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-22 05:11:01,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-22 05:11:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 05:11:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-22 05:11:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-08-22 05:11:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-08-22 05:11:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-08-22 05:11:01,964 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-08-22 05:11:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-22 05:11:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-08-22 05:11:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-08-22 05:11:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-08-22 05:11:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-08-22 05:11:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-08-22 05:11:01,965 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-08-22 05:11:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 05:11:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-08-22 05:11:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-08-22 05:11:01,966 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-08-22 05:11:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-08-22 05:11:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-08-22 05:11:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-08-22 05:11:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-08-22 05:11:01,967 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-08-22 05:11:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-08-22 05:11:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-22 05:11:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-08-22 05:11:01,968 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-08-22 05:11:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-08-22 05:11:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 05:11:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-22 05:11:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 05:11:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-22 05:11:01,970 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 05:11:01,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 05:11:01,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-22 05:11:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 05:11:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-22 05:11:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-22 05:11:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-22 05:11:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-22 05:11:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-22 05:11:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-22 05:11:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-22 05:11:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-08-22 05:11:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-08-22 05:11:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-08-22 05:11:01,979 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-08-22 05:11:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-22 05:11:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-22 05:11:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 05:11:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-08-22 05:11:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-08-22 05:11:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-08-22 05:11:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-08-22 05:11:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-08-22 05:11:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-08-22 05:11:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-08-22 05:11:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-08-22 05:11:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-08-22 05:11:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-08-22 05:11:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-08-22 05:11:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-08-22 05:11:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-08-22 05:11:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-08-22 05:11:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-08-22 05:11:01,992 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-08-22 05:11:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-08-22 05:11:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-08-22 05:11:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-08-22 05:11:01,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 05:11:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-08-22 05:11:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-08-22 05:11:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-08-22 05:11:01,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-08-22 05:11:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-08-22 05:11:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-08-22 05:11:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-08-22 05:11:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-08-22 05:11:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 05:11:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-08-22 05:11:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-08-22 05:11:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-08-22 05:11:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-08-22 05:11:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 05:11:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 05:11:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-08-22 05:11:01,998 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-08-22 05:11:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-08-22 05:11:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-08-22 05:11:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-08-22 05:11:01,999 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-08-22 05:11:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-08-22 05:11:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-08-22 05:11:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-08-22 05:11:02,000 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-08-22 05:11:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-08-22 05:11:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-08-22 05:11:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-08-22 05:11:02,001 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-08-22 05:11:02,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-22 05:11:02,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-22 05:11:02,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-08-22 05:11:02,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-08-22 05:11:02,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 05:11:02,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-08-22 05:11:02,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-08-22 05:11:02,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-08-22 05:11:02,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-08-22 05:11:02,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-08-22 05:11:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-08-22 05:11:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 05:11:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 05:11:02,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 05:11:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-22 05:11:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 05:11:03,082 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-22 05:11:05,090 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 05:11:05,091 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 05:11:05,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:11:05 BoogieIcfgContainer [2020-08-22 05:11:05,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 05:11:05,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 05:11:05,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 05:11:05,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 05:11:05,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 05:10:59" (1/3) ... [2020-08-22 05:11:05,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea0e9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:11:05, skipping insertion in model container [2020-08-22 05:11:05,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:11:01" (2/3) ... [2020-08-22 05:11:05,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea0e9ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:11:05, skipping insertion in model container [2020-08-22 05:11:05,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:11:05" (3/3) ... [2020-08-22 05:11:05,109 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 [2020-08-22 05:11:05,121 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 05:11:05,130 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 05:11:05,144 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 05:11:05,171 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 05:11:05,171 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 05:11:05,171 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 05:11:05,172 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 05:11:05,172 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 05:11:05,172 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 05:11:05,172 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 05:11:05,172 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 05:11:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states. [2020-08-22 05:11:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-22 05:11:05,214 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:11:05,215 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] [2020-08-22 05:11:05,216 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:11:05,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:11:05,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2058672228, now seen corresponding path program 1 times [2020-08-22 05:11:05,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:11:05,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552267669] [2020-08-22 05:11:05,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:11:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:06,267 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-22 05:11:06,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:11:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:06,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:11:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:06,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 05:11:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:11:06,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552267669] [2020-08-22 05:11:06,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:11:06,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 05:11:06,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025678678] [2020-08-22 05:11:06,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:11:06,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:11:06,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:11:06,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:11:06,477 INFO L87 Difference]: Start difference. First operand 791 states. Second operand 5 states. [2020-08-22 05:11:07,350 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-08-22 05:11:15,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:11:15,675 INFO L93 Difference]: Finished difference Result 1648 states and 2166 transitions. [2020-08-22 05:11:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:11:15,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-08-22 05:11:15,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:11:15,702 INFO L225 Difference]: With dead ends: 1648 [2020-08-22 05:11:15,702 INFO L226 Difference]: Without dead ends: 834 [2020-08-22 05:11:15,716 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 [2020-08-22 05:11:15,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-08-22 05:11:15,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 803. [2020-08-22 05:11:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-08-22 05:11:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1039 transitions. [2020-08-22 05:11:15,937 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1039 transitions. Word has length 30 [2020-08-22 05:11:15,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:11:15,937 INFO L479 AbstractCegarLoop]: Abstraction has 803 states and 1039 transitions. [2020-08-22 05:11:15,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:11:15,938 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1039 transitions. [2020-08-22 05:11:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-22 05:11:15,941 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:11:15,941 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:11:15,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 05:11:15,942 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:11:15,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:11:15,942 INFO L82 PathProgramCache]: Analyzing trace with hash 229024885, now seen corresponding path program 1 times [2020-08-22 05:11:15,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:11:15,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490487065] [2020-08-22 05:11:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:11:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,532 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-22 05:11:16,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:11:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:11:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 05:11:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:11:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-22 05:11:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 05:11:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 05:11:16,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490487065] [2020-08-22 05:11:16,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:11:16,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 05:11:16,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761761184] [2020-08-22 05:11:16,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:11:16,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:11:16,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:11:16,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:11:16,763 INFO L87 Difference]: Start difference. First operand 803 states and 1039 transitions. Second operand 7 states. [2020-08-22 05:11:23,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:11:23,181 INFO L93 Difference]: Finished difference Result 1640 states and 2144 transitions. [2020-08-22 05:11:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 05:11:23,182 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-08-22 05:11:23,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:11:23,190 INFO L225 Difference]: With dead ends: 1640 [2020-08-22 05:11:23,190 INFO L226 Difference]: Without dead ends: 864 [2020-08-22 05:11:23,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:11:23,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-08-22 05:11:23,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 807. [2020-08-22 05:11:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2020-08-22 05:11:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1045 transitions. [2020-08-22 05:11:23,325 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1045 transitions. Word has length 65 [2020-08-22 05:11:23,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:11:23,326 INFO L479 AbstractCegarLoop]: Abstraction has 807 states and 1045 transitions. [2020-08-22 05:11:23,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:11:23,326 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1045 transitions. [2020-08-22 05:11:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-08-22 05:11:23,328 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:11:23,329 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:11:23,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 05:11:23,329 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:11:23,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:11:23,330 INFO L82 PathProgramCache]: Analyzing trace with hash 780245369, now seen corresponding path program 1 times [2020-08-22 05:11:23,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:11:23,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759048553] [2020-08-22 05:11:23,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:11:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:23,884 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-22 05:11:23,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:11:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:23,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:11:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:23,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 05:11:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:23,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:11:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:23,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:24,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 05:11:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:24,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 05:11:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:24,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 05:11:24,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759048553] [2020-08-22 05:11:24,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:11:24,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 05:11:24,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379054405] [2020-08-22 05:11:24,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 05:11:24,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:11:24,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 05:11:24,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:11:24,070 INFO L87 Difference]: Start difference. First operand 807 states and 1045 transitions. Second operand 8 states. [2020-08-22 05:11:32,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:11:32,343 INFO L93 Difference]: Finished difference Result 1674 states and 2194 transitions. [2020-08-22 05:11:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 05:11:32,346 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2020-08-22 05:11:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:11:32,354 INFO L225 Difference]: With dead ends: 1674 [2020-08-22 05:11:32,354 INFO L226 Difference]: Without dead ends: 894 [2020-08-22 05:11:32,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:11:32,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-08-22 05:11:32,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 837. [2020-08-22 05:11:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-08-22 05:11:32,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1089 transitions. [2020-08-22 05:11:32,496 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1089 transitions. Word has length 67 [2020-08-22 05:11:32,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:11:32,496 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1089 transitions. [2020-08-22 05:11:32,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 05:11:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1089 transitions. [2020-08-22 05:11:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-22 05:11:32,499 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:11:32,499 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:11:32,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 05:11:32,500 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:11:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:11:32,500 INFO L82 PathProgramCache]: Analyzing trace with hash -2072814211, now seen corresponding path program 2 times [2020-08-22 05:11:32,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:11:32,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318015215] [2020-08-22 05:11:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:11:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,060 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-22 05:11:33,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:11:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:11:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 05:11:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:11:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 05:11:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 05:11:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 05:11:33,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [318015215] [2020-08-22 05:11:33,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:11:33,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 05:11:33,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979301401] [2020-08-22 05:11:33,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 05:11:33,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:11:33,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 05:11:33,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-22 05:11:33,294 INFO L87 Difference]: Start difference. First operand 837 states and 1089 transitions. Second operand 9 states. [2020-08-22 05:11:42,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:11:42,803 INFO L93 Difference]: Finished difference Result 1734 states and 2282 transitions. [2020-08-22 05:11:42,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 05:11:42,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-08-22 05:11:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:11:42,812 INFO L225 Difference]: With dead ends: 1734 [2020-08-22 05:11:42,813 INFO L226 Difference]: Without dead ends: 924 [2020-08-22 05:11:42,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:11:42,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-08-22 05:11:42,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 867. [2020-08-22 05:11:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-08-22 05:11:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1133 transitions. [2020-08-22 05:11:42,925 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1133 transitions. Word has length 69 [2020-08-22 05:11:42,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:11:42,926 INFO L479 AbstractCegarLoop]: Abstraction has 867 states and 1133 transitions. [2020-08-22 05:11:42,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 05:11:42,926 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1133 transitions. [2020-08-22 05:11:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-08-22 05:11:42,928 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:11:42,928 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-08-22 05:11:42,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 05:11:42,929 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:11:42,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:11:42,929 INFO L82 PathProgramCache]: Analyzing trace with hash 621031553, now seen corresponding path program 3 times [2020-08-22 05:11:42,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:11:42,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572645083] [2020-08-22 05:11:42,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:11:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,537 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-22 05:11:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:11:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:11:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 05:11:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:11:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 05:11:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 05:11:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 05:11:43,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572645083] [2020-08-22 05:11:43,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:11:43,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 05:11:43,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421077293] [2020-08-22 05:11:43,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 05:11:43,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:11:43,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 05:11:43,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:11:43,824 INFO L87 Difference]: Start difference. First operand 867 states and 1133 transitions. Second operand 10 states. [2020-08-22 05:11:51,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:11:51,168 INFO L93 Difference]: Finished difference Result 1794 states and 2370 transitions. [2020-08-22 05:11:51,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 05:11:51,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-08-22 05:11:51,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:11:51,176 INFO L225 Difference]: With dead ends: 1794 [2020-08-22 05:11:51,176 INFO L226 Difference]: Without dead ends: 954 [2020-08-22 05:11:51,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-08-22 05:11:51,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2020-08-22 05:11:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 897. [2020-08-22 05:11:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2020-08-22 05:11:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1177 transitions. [2020-08-22 05:11:51,300 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1177 transitions. Word has length 71 [2020-08-22 05:11:51,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:11:51,301 INFO L479 AbstractCegarLoop]: Abstraction has 897 states and 1177 transitions. [2020-08-22 05:11:51,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 05:11:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1177 transitions. [2020-08-22 05:11:51,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-22 05:11:51,303 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:11:51,303 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-08-22 05:11:51,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 05:11:51,304 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:11:51,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:11:51,304 INFO L82 PathProgramCache]: Analyzing trace with hash -458468731, now seen corresponding path program 4 times [2020-08-22 05:11:51,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:11:51,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066229408] [2020-08-22 05:11:51,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:11:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:51,967 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-08-22 05:11:51,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:11:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:52,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 05:11:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:52,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 05:11:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:52,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 05:11:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:52,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-22 05:11:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 05:11:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:52,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 05:11:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:11:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 05:11:52,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066229408] [2020-08-22 05:11:52,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:11:52,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 05:11:52,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079158908] [2020-08-22 05:11:52,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 05:11:52,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:11:52,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 05:11:52,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-08-22 05:11:52,278 INFO L87 Difference]: Start difference. First operand 897 states and 1177 transitions. Second operand 11 states.