/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=DEEPEST --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 [2020-09-25 01:40:18,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:40:18,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:40:18,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:40:18,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:40:18,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:40:18,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:40:18,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:40:18,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:40:18,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:40:18,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:40:18,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:40:18,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:40:18,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:40:18,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:40:18,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:40:18,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:40:18,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:40:18,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:40:18,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:40:18,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:40:18,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:40:18,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:40:18,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:40:18,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:40:18,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:40:18,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:40:18,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:40:18,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:40:18,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:40:18,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:40:18,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:40:18,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:40:18,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:40:18,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:40:18,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:40:18,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:40:18,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:40:18,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:40:18,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:40:18,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:40:18,495 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 [2020-09-25 01:40:18,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:40:18,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:40:18,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:40:18,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:40:18,540 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:40:18,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:40:18,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:40:18,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:40:18,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:40:18,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:40:18,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:40:18,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:40:18,543 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:40:18,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:40:18,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:40:18,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:40:18,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:40:18,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:40:18,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:40:18,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:40:18,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:40:18,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:40:18,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:40:18,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:40:18,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:40:18,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:40:18,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 01:40:18,546 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 01:40:19,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:40:19,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:40:19,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:40:19,071 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:40:19,072 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:40:19,073 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-25 01:40:19,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21df50185/b4958c7b1c7e4b67a36a3a1d57d7251e/FLAG39ba3812e [2020-09-25 01:40:19,981 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:40:19,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-25 01:40:20,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21df50185/b4958c7b1c7e4b67a36a3a1d57d7251e/FLAG39ba3812e [2020-09-25 01:40:20,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21df50185/b4958c7b1c7e4b67a36a3a1d57d7251e [2020-09-25 01:40:20,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:40:20,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:40:20,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:40:20,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:40:20,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:40:20,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb2c9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:20, skipping insertion in model container [2020-09-25 01:40:20,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:40:20" (1/1) ... [2020-09-25 01:40:20,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:40:20,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:40:20,791 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-25 01:40:20,792 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] [2020-09-25 01:40:21,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:40:21,609 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:40:21,702 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-25 01:40:21,703 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] [2020-09-25 01:40:21,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:40:22,032 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:40:22,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22 WrapperNode [2020-09-25 01:40:22,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:40:22,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:40:22,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:40:22,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:40:22,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (1/1) ... [2020-09-25 01:40:22,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (1/1) ... [2020-09-25 01:40:22,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (1/1) ... [2020-09-25 01:40:22,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (1/1) ... [2020-09-25 01:40:22,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (1/1) ... [2020-09-25 01:40:22,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (1/1) ... [2020-09-25 01:40:22,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (1/1) ... [2020-09-25 01:40:22,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:40:22,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:40:22,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:40:22,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:40:22,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (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 [2020-09-25 01:40:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:40:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:40:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 01:40:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-25 01:40:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-25 01:40:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-25 01:40:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-09-25 01:40:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-09-25 01:40:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-09-25 01:40:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-09-25 01:40:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 01:40:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-25 01:40:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-25 01:40:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-25 01:40:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 01:40:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 01:40:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 01:40:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 01:40:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 01:40:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 01:40:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 01:40:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 01:40:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 01:40:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 01:40:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 01:40:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 01:40:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 01:40:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 01:40:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-09-25 01:40:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-25 01:40:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-09-25 01:40:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-09-25 01:40:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-09-25 01:40:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-09-25 01:40:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-09-25 01:40:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-09-25 01:40:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-09-25 01:40:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-09-25 01:40:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-09-25 01:40:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-09-25 01:40:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-09-25 01:40:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-09-25 01:40:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-09-25 01:40:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-09-25 01:40:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-09-25 01:40:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-09-25 01:40:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-09-25 01:40:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-09-25 01:40:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-09-25 01:40:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-09-25 01:40:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-09-25 01:40:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-09-25 01:40:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-09-25 01:40:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-09-25 01:40:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-09-25 01:40:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-09-25 01:40:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-09-25 01:40:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-09-25 01:40:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-09-25 01:40:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-09-25 01:40:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:40:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 01:40:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-25 01:40:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 01:40:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-25 01:40:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-25 01:40:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-25 01:40:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-25 01:40:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 01:40:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-09-25 01:40:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-09-25 01:40:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-09-25 01:40:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-09-25 01:40:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-09-25 01:40:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-09-25 01:40:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-09-25 01:40:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-09-25 01:40:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-09-25 01:40:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-09-25 01:40:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-09-25 01:40:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-09-25 01:40:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-25 01:40:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-09-25 01:40:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 01:40:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-25 01:40:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 01:40:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 01:40:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:40:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 01:40:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-25 01:40:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-09-25 01:40:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-09-25 01:40:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-09-25 01:40:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 01:40:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-09-25 01:40:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 01:40:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-25 01:40:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-25 01:40:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-09-25 01:40:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-09-25 01:40:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:40:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 01:40:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-25 01:40:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-25 01:40:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-25 01:40:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 01:40:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-25 01:40:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-25 01:40:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 01:40:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 01:40:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 01:40:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-25 01:40:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 01:40:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-25 01:40:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:40:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 01:40:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:40:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 01:40:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 01:40:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 01:40:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 01:40:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:40:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 01:40:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 01:40:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 01:40:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 01:40:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 01:40:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 01:40:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 01:40:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-09-25 01:40:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-09-25 01:40:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 01:40:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-25 01:40:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 01:40:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 01:40:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:40:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-09-25 01:40:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-09-25 01:40:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-25 01:40:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-09-25 01:40:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-09-25 01:40:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-09-25 01:40:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-09-25 01:40:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-09-25 01:40:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-09-25 01:40:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-09-25 01:40:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-09-25 01:40:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-09-25 01:40:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-09-25 01:40:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-09-25 01:40:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-09-25 01:40:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-09-25 01:40:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-09-25 01:40:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-09-25 01:40:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 01:40:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:40:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-09-25 01:40:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-25 01:40:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-09-25 01:40:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-25 01:40:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-09-25 01:40:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-09-25 01:40:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-09-25 01:40:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-09-25 01:40:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:40:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-09-25 01:40:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-09-25 01:40:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-09-25 01:40:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-09-25 01:40:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:40:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:40:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-09-25 01:40:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-09-25 01:40:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-09-25 01:40:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-09-25 01:40:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-09-25 01:40:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-09-25 01:40:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-09-25 01:40:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-09-25 01:40:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-09-25 01:40:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-09-25 01:40:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-09-25 01:40:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-09-25 01:40:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-09-25 01:40:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-09-25 01:40:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 01:40:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 01:40:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-25 01:40:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-09-25 01:40:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:40:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-25 01:40:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 01:40:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-25 01:40:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-25 01:40:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-25 01:40:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-25 01:40:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:40:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:40:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:40:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 01:40:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:40:23,610 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 01:40:25,894 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:40:25,894 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 01:40:25,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:40:25 BoogieIcfgContainer [2020-09-25 01:40:25,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:40:25,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:40:25,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:40:25,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:40:25,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:40:20" (1/3) ... [2020-09-25 01:40:25,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558bbdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:40:25, skipping insertion in model container [2020-09-25 01:40:25,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:40:22" (2/3) ... [2020-09-25 01:40:25,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558bbdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:40:25, skipping insertion in model container [2020-09-25 01:40:25,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:40:25" (3/3) ... [2020-09-25 01:40:25,919 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 [2020-09-25 01:40:25,934 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:40:25,947 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:40:25,973 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:40:26,012 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:40:26,013 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:40:26,013 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:40:26,013 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:40:26,013 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:40:26,013 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:40:26,013 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:40:26,013 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:40:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states. [2020-09-25 01:40:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-25 01:40:26,085 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:26,087 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] [2020-09-25 01:40:26,087 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:26,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:26,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1254517513, now seen corresponding path program 1 times [2020-09-25 01:40:26,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:26,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230215440] [2020-09-25 01:40:26,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:26,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:27,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:28,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:29,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:29,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-25 01:40:29,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:40:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2445 [2020-09-25 01:40:29,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-09-25 01:40:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 01:40:29,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 01:40:29,782 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-25 01:40:29,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:29,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:30,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:30,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 01:40:30,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:30,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-09-25 01:40:30,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:30,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:30,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 01:40:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:30,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:30,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:30,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:30,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:30,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 01:40:30,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:30,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 01:40:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:30,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:30,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:30,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:40:30,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:30,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:40:30,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:30,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:30,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:30,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:40:30,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230215440] [2020-09-25 01:40:30,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:40:30,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:40:30,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725561656] [2020-09-25 01:40:30,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:40:30,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:40:30,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:40:30,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:40:30,532 INFO L87 Difference]: Start difference. First operand 2037 states. Second operand 5 states. [2020-09-25 01:40:32,197 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-25 01:40:44,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:40:44,096 INFO L93 Difference]: Finished difference Result 4037 states and 4573 transitions. [2020-09-25 01:40:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:40:44,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-09-25 01:40:44,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:40:44,138 INFO L225 Difference]: With dead ends: 4037 [2020-09-25 01:40:44,138 INFO L226 Difference]: Without dead ends: 2191 [2020-09-25 01:40:44,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:40:44,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2020-09-25 01:40:44,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 2123. [2020-09-25 01:40:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2123 states. [2020-09-25 01:40:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2364 transitions. [2020-09-25 01:40:44,454 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2364 transitions. Word has length 260 [2020-09-25 01:40:44,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:40:44,456 INFO L479 AbstractCegarLoop]: Abstraction has 2123 states and 2364 transitions. [2020-09-25 01:40:44,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:40:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2364 transitions. [2020-09-25 01:40:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-09-25 01:40:44,464 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:44,465 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] [2020-09-25 01:40:44,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:40:44,465 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:44,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:44,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1717932618, now seen corresponding path program 1 times [2020-09-25 01:40:44,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:44,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398272970] [2020-09-25 01:40:44,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:44,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:45,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:45,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:47,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:47,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-09-25 01:40:47,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:40:47,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2891 [2020-09-25 01:40:47,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 302 [2020-09-25 01:40:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 01:40:47,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:48,081 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-25 01:40:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:40:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:48,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:48,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 01:40:48,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-09-25 01:40:48,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:48,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:48,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:48,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 01:40:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:48,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:48,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:48,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:48,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:40:48,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:48,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:48,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:48,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 01:40:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:48,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:48,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:40:48,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:48,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:40:48,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:48,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:40:48,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 01:40:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:48,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:48,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 01:40:48,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:40:48,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 01:40:48,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 01:40:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:40:48,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:48,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:40:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:48,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:48,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 01:40:48,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:48,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 01:40:48,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 01:40:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:40:48,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:48,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 01:40:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:48,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:48,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:40:48,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:48,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 01:40:48,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:48,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:40:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:48,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:48,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-25 01:40:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:48,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:48,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 01:40:48,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:48,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 01:40:48,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:40:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:48,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 01:40:48,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:40:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:48,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:40:48,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:40:48,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:40:48,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:40:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 01:40:48,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:40:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:40:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:40:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:40:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:40:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 01:40:49,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398272970] [2020-09-25 01:40:49,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:40:49,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 01:40:49,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785181307] [2020-09-25 01:40:49,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 01:40:49,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:40:49,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 01:40:49,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 01:40:49,014 INFO L87 Difference]: Start difference. First operand 2123 states and 2364 transitions. Second operand 8 states. [2020-09-25 01:40:49,808 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-25 01:40:59,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:40:59,222 INFO L93 Difference]: Finished difference Result 4339 states and 4891 transitions. [2020-09-25 01:40:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 01:40:59,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 333 [2020-09-25 01:40:59,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:40:59,238 INFO L225 Difference]: With dead ends: 4339 [2020-09-25 01:40:59,239 INFO L226 Difference]: Without dead ends: 2462 [2020-09-25 01:40:59,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-09-25 01:40:59,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2020-09-25 01:40:59,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 2259. [2020-09-25 01:40:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2259 states. [2020-09-25 01:40:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 2523 transitions. [2020-09-25 01:40:59,444 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 2523 transitions. Word has length 333 [2020-09-25 01:40:59,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:40:59,446 INFO L479 AbstractCegarLoop]: Abstraction has 2259 states and 2523 transitions. [2020-09-25 01:40:59,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 01:40:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2523 transitions. [2020-09-25 01:40:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-09-25 01:40:59,453 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:40:59,454 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:40:59,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:40:59,454 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:40:59,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:40:59,455 INFO L82 PathProgramCache]: Analyzing trace with hash -556497650, now seen corresponding path program 1 times [2020-09-25 01:40:59,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:40:59,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834635227] [2020-09-25 01:40:59,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:40:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:40:59,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:00,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:01,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:01,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 395 [2020-09-25 01:41:01,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:41:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2141 [2020-09-25 01:41:01,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:41:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-25 01:41:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:41:01,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:02,383 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-25 01:41:02,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:41:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:02,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:02,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:02,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 01:41:02,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-09-25 01:41:02,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:02,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:02,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 01:41:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:02,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:02,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:02,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:41:02,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:02,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 01:41:02,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:02,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:02,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:02,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:02,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:03,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 01:41:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:03,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:03,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:41:03,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:03,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:41:03,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:03,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:41:03,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 01:41:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:03,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:03,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 01:41:03,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:03,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 01:41:03,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:03,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:41:03,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 01:41:03,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:41:03,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:03,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:41:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:03,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:03,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:41:03,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 01:41:03,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:03,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:41:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 01:41:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:41:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:03,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 01:41:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:03,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:03,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 01:41:03,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 01:41:03,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:41:03,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:03,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:03,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-25 01:41:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:03,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:03,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 01:41:03,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 01:41:03,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 01:41:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:03,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:03,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:41:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:03,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:03,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 01:41:03,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:03,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:41:03,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:03,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:03,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:41:03,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:03,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:03,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-09-25 01:41:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:41:03,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:41:03,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:41:03,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:41:03,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:41:03,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:41:03,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:41:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:41:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:41:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:41:03,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:41:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-25 01:41:03,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834635227] [2020-09-25 01:41:03,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 01:41:03,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 01:41:03,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659915191] [2020-09-25 01:41:03,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 01:41:03,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:41:03,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 01:41:03,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 01:41:03,548 INFO L87 Difference]: Start difference. First operand 2259 states and 2523 transitions. Second operand 8 states.