/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=SMALLEST --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 18:59:24,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:59:24,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:59:24,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:59:24,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:59:24,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:59:24,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:59:24,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:59:24,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:59:24,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:59:24,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:59:24,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:59:24,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:59:24,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:59:24,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:59:24,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:59:24,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:59:24,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:59:24,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:59:24,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:59:24,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:59:24,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:59:24,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:59:24,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:59:24,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:59:24,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:59:24,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:59:24,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:59:24,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:59:24,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:59:24,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:59:24,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:59:24,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:59:24,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:59:24,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:59:24,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:59:24,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:59:24,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:59:24,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:59:24,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:59:24,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:59:24,601 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 18:59:24,659 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:59:24,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:59:24,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:59:24,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:59:24,666 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:59:24,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:59:24,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:59:24,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:59:24,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:59:24,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:59:24,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:59:24,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:59:24,668 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:59:24,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:59:24,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:59:24,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:59:24,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:59:24,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:59:24,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:59:24,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:59:24,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:59:24,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:59:24,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:59:24,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:59:24,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:59:24,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:59:24,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 18:59:24,676 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 18:59:25,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:59:25,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:59:25,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:59:25,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:59:25,194 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:59:25,196 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 18:59:25,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f3ec698a/2c55bbc6fa6747819c87713cc477af18/FLAG52688330f [2020-09-24 18:59:26,163 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:59:26,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 18:59:26,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f3ec698a/2c55bbc6fa6747819c87713cc477af18/FLAG52688330f [2020-09-24 18:59:26,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f3ec698a/2c55bbc6fa6747819c87713cc477af18 [2020-09-24 18:59:26,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:59:26,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:59:26,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:59:26,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:59:26,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:59:26,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:59:26" (1/1) ... [2020-09-24 18:59:26,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbcaf0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:26, skipping insertion in model container [2020-09-24 18:59:26,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:59:26" (1/1) ... [2020-09-24 18:59:26,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:59:26,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:59:27,061 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 18:59:27,062 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 18:59:27,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:59:27,779 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:59:27,906 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 18:59:27,907 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 18:59:28,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:59:28,241 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:59:28,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28 WrapperNode [2020-09-24 18:59:28,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:59:28,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:59:28,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:59:28,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:59:28,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (1/1) ... [2020-09-24 18:59:28,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (1/1) ... [2020-09-24 18:59:28,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (1/1) ... [2020-09-24 18:59:28,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (1/1) ... [2020-09-24 18:59:28,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (1/1) ... [2020-09-24 18:59:28,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (1/1) ... [2020-09-24 18:59:28,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (1/1) ... [2020-09-24 18:59:28,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:59:28,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:59:28,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:59:28,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:59:28,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (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 18:59:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:59:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:59:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 18:59:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-24 18:59:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 18:59:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 18:59:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-09-24 18:59:28,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-09-24 18:59:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-09-24 18:59:28,655 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-09-24 18:59:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 18:59:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-24 18:59:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-24 18:59:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-24 18:59:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 18:59:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 18:59:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 18:59:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:59:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 18:59:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 18:59:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 18:59:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 18:59:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 18:59:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 18:59:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 18:59:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 18:59:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 18:59:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 18:59:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-09-24 18:59:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-24 18:59:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-09-24 18:59:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-09-24 18:59:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-09-24 18:59:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-09-24 18:59:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-09-24 18:59:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-09-24 18:59:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-09-24 18:59:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-09-24 18:59:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-09-24 18:59:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-09-24 18:59:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-09-24 18:59:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-09-24 18:59:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-09-24 18:59:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-09-24 18:59:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-09-24 18:59:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-09-24 18:59:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-09-24 18:59:28,715 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-09-24 18:59:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-09-24 18:59:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-09-24 18:59:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-09-24 18:59:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-09-24 18:59:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-09-24 18:59:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-09-24 18:59:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-09-24 18:59:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-09-24 18:59:28,717 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-09-24 18:59:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-09-24 18:59:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-09-24 18:59:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-09-24 18:59:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:59:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 18:59:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 18:59:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 18:59:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 18:59:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 18:59:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 18:59:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 18:59:28,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-24 18:59:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-09-24 18:59:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-09-24 18:59:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-09-24 18:59:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-09-24 18:59:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-09-24 18:59:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-09-24 18:59:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-09-24 18:59:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-09-24 18:59:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-09-24 18:59:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-09-24 18:59:28,727 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-09-24 18:59:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-09-24 18:59:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 18:59:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-09-24 18:59:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 18:59:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 18:59:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 18:59:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 18:59:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 18:59:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 18:59:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-09-24 18:59:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-09-24 18:59:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-24 18:59:28,732 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-24 18:59:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 18:59:28,733 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 18:59:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:59:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 18:59:28,733 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 18:59:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-09-24 18:59:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-09-24 18:59:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-09-24 18:59:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 18:59:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-09-24 18:59:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 18:59:28,735 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-24 18:59:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-24 18:59:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-09-24 18:59:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-09-24 18:59:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 18:59:28,736 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 18:59:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-24 18:59:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-24 18:59:28,737 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-24 18:59:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 18:59:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-24 18:59:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-24 18:59:28,738 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 18:59:28,740 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 18:59:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 18:59:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 18:59:28,741 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 18:59:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 18:59:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:59:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 18:59:28,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:59:28,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 18:59:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:59:28,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:59:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 18:59:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:59:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 18:59:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 18:59:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 18:59:28,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 18:59:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 18:59:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 18:59:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 18:59:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-09-24 18:59:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-09-24 18:59:28,747 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-24 18:59:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 18:59:28,750 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 18:59:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 18:59:28,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 18:59:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-09-24 18:59:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-09-24 18:59:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-24 18:59:28,752 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-09-24 18:59:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-09-24 18:59:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-09-24 18:59:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-09-24 18:59:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-09-24 18:59:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-09-24 18:59:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-09-24 18:59:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-09-24 18:59:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-09-24 18:59:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-09-24 18:59:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-09-24 18:59:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-09-24 18:59:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-09-24 18:59:28,754 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-09-24 18:59:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-09-24 18:59:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 18:59:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:59:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-09-24 18:59:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-24 18:59:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-09-24 18:59:28,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 18:59:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-09-24 18:59:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-09-24 18:59:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-09-24 18:59:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-09-24 18:59:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:59:28,756 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-09-24 18:59:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-09-24 18:59:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-09-24 18:59:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-09-24 18:59:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:59:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:59:28,757 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-09-24 18:59:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-09-24 18:59:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-09-24 18:59:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-09-24 18:59:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-09-24 18:59:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-09-24 18:59:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-09-24 18:59:28,758 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-09-24 18:59:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-09-24 18:59:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-09-24 18:59:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-09-24 18:59:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-09-24 18:59:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-09-24 18:59:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-09-24 18:59:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 18:59:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 18:59:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 18:59:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-09-24 18:59:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:59:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 18:59:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 18:59:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 18:59:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 18:59:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 18:59:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 18:59:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 18:59:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:59:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 18:59:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 18:59:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:59:29,824 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 18:59:32,213 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:59:32,213 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 18:59:32,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:59:32 BoogieIcfgContainer [2020-09-24 18:59:32,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:59:32,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:59:32,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:59:32,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:59:32,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:59:26" (1/3) ... [2020-09-24 18:59:32,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563a3e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:59:32, skipping insertion in model container [2020-09-24 18:59:32,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:28" (2/3) ... [2020-09-24 18:59:32,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563a3e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:59:32, skipping insertion in model container [2020-09-24 18:59:32,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:59:32" (3/3) ... [2020-09-24 18:59:32,243 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 18:59:32,255 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:59:32,271 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:59:32,292 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:59:32,330 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:59:32,330 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:59:32,330 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:59:32,331 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:59:32,331 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:59:32,331 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:59:32,331 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:59:32,331 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:59:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states. [2020-09-24 18:59:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-24 18:59:32,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:32,405 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 18:59:32,406 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:32,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:32,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1254517513, now seen corresponding path program 1 times [2020-09-24 18:59:32,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:32,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392203962] [2020-09-24 18:59:32,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:33,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:34,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:34,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:35,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:35,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-24 18:59:35,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:59:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2603 [2020-09-24 18:59:35,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:35,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:35,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-09-24 18:59:35,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 18:59:35,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 18:59:36,269 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 18:59:36,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:36,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:36,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:36,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 18:59:36,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-09-24 18:59:36,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:36,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:36,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 18:59:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:36,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:36,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:36,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:36,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:36,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 18:59:36,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:36,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:36,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:36,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 18:59:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:36,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:36,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:36,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:59:36,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:36,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 18:59:36,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:37,065 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 18:59:37,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392203962] [2020-09-24 18:59:37,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:37,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 18:59:37,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075469092] [2020-09-24 18:59:37,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 18:59:37,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:37,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 18:59:37,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:59:37,103 INFO L87 Difference]: Start difference. First operand 2037 states. Second operand 5 states. [2020-09-24 18:59:38,758 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 18:59:50,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:59:50,897 INFO L93 Difference]: Finished difference Result 3999 states and 4517 transitions. [2020-09-24 18:59:50,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 18:59:50,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-09-24 18:59:50,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:59:50,956 INFO L225 Difference]: With dead ends: 3999 [2020-09-24 18:59:50,956 INFO L226 Difference]: Without dead ends: 2155 [2020-09-24 18:59:50,974 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 18:59:51,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2020-09-24 18:59:51,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2105. [2020-09-24 18:59:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2020-09-24 18:59:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2341 transitions. [2020-09-24 18:59:51,337 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2341 transitions. Word has length 260 [2020-09-24 18:59:51,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:59:51,345 INFO L479 AbstractCegarLoop]: Abstraction has 2105 states and 2341 transitions. [2020-09-24 18:59:51,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 18:59:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2341 transitions. [2020-09-24 18:59:51,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-09-24 18:59:51,357 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:51,358 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 18:59:51,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:59:51,359 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:51,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1717932618, now seen corresponding path program 1 times [2020-09-24 18:59:51,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:51,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568975770] [2020-09-24 18:59:51,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:51,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:52,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:52,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:54,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:54,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-09-24 18:59:54,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:59:54,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3004 [2020-09-24 18:59:54,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-24 18:59:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-24 18:59:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:55,445 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 18:59:55,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:56,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 18:59:56,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:56,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 601 [2020-09-24 18:59:56,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:56,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:56,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-09-24 18:59:56,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:56,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 18:59:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:56,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:56,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:56,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 18:59:56,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:56,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 18:59:56,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:56,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 18:59:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:56,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:56,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 18:59:56,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 18:59:56,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 18:59:56,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:56,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 18:59:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:56,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:56,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 18:59:56,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:59:56,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 18:59:56,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 18:59:56,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:56,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:59:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:56,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:56,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 18:59:56,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:59:56,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 18:59:56,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:56,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:56,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 18:59:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:56,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:56,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:59:56,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 18:59:56,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 18:59:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:56,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:56,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 18:59:56,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:56,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 18:59:56,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:56,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:56,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:56,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 18:59:56,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:56,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:59:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:56,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:56,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:56,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:56,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:59:56,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:56,909 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 18:59:56,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568975770] [2020-09-24 18:59:56,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:56,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:59:56,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212024264] [2020-09-24 18:59:56,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:59:56,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:56,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:59:56,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:59:56,913 INFO L87 Difference]: Start difference. First operand 2105 states and 2341 transitions. Second operand 7 states. [2020-09-24 18:59:58,433 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:07,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:00:07,020 INFO L93 Difference]: Finished difference Result 2153 states and 2401 transitions. [2020-09-24 19:00:07,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 19:00:07,020 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-09-24 19:00:07,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:00:07,025 INFO L225 Difference]: With dead ends: 2153 [2020-09-24 19:00:07,026 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 19:00:07,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-09-24 19:00:07,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 19:00:07,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 19:00:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 19:00:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 19:00:07,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 333 [2020-09-24 19:00:07,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:00:07,037 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 19:00:07,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:00:07,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 19:00:07,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 19:00:07,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:00:07,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 19:00:07,411 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:07,720 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:08,036 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-09-24 19:00:08,358 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:08,660 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:08,963 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:09,275 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-09-24 19:00:09,575 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-09-24 19:00:09,871 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:10,180 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:10,467 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:10,763 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:11,050 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:11,337 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:11,626 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:11,914 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:12,201 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:12,488 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:12,775 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:13,062 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:13,357 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:13,651 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:13,943 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:14,234 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:14,523 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:14,809 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:15,096 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:15,385 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:15,669 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:15,956 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:16,250 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2020-09-24 19:00:16,536 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:16,824 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 19:00:17,109 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 264