/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:46:12,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:46:12,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:46:12,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:46:12,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:46:12,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:46:12,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:46:12,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:46:12,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:46:12,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:46:12,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:46:12,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:46:12,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:46:12,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:46:12,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:46:12,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:46:12,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:46:12,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:46:12,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:46:12,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:46:12,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:46:12,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:46:12,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:46:12,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:46:13,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:46:13,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:46:13,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:46:13,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:46:13,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:46:13,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:46:13,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:46:13,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:46:13,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:46:13,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:46:13,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:46:13,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:46:13,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:46:13,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:46:13,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:46:13,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:46:13,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:46:13,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:46:13,078 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:46:13,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:46:13,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:46:13,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:46:13,081 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:46:13,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:46:13,082 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:46:13,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:46:13,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:46:13,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:46:13,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:46:13,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:46:13,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:46:13,085 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:46:13,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:46:13,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:46:13,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:46:13,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:46:13,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:46:13,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:46:13,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:46:13,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:46:13,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:46:13,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:46:13,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:46:13,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:46:13,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:46:13,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:46:13,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:46:13,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:46:13,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:46:13,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:46:13,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:46:13,561 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:46:13,562 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:46:13,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-10-28 16:46:13,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c58d74ba/18f4e74afb6a4419b68500917f7ad7ea/FLAG9ebc2e5e3 [2020-10-28 16:46:14,356 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:46:14,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-10-28 16:46:14,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c58d74ba/18f4e74afb6a4419b68500917f7ad7ea/FLAG9ebc2e5e3 [2020-10-28 16:46:14,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c58d74ba/18f4e74afb6a4419b68500917f7ad7ea [2020-10-28 16:46:14,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:46:14,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:46:14,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:46:14,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:46:14,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:46:14,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:46:14" (1/1) ... [2020-10-28 16:46:14,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187e57ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:14, skipping insertion in model container [2020-10-28 16:46:14,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:46:14" (1/1) ... [2020-10-28 16:46:14,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:46:14,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:46:15,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:46:15,176 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:46:15,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:46:15,365 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:46:15,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15 WrapperNode [2020-10-28 16:46:15,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:46:15,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:46:15,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:46:15,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:46:15,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (1/1) ... [2020-10-28 16:46:15,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (1/1) ... [2020-10-28 16:46:15,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (1/1) ... [2020-10-28 16:46:15,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (1/1) ... [2020-10-28 16:46:15,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (1/1) ... [2020-10-28 16:46:15,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (1/1) ... [2020-10-28 16:46:15,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (1/1) ... [2020-10-28 16:46:15,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:46:15,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:46:15,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:46:15,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:46:15,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:46:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:46:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:46:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:46:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:46:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:46:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:46:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:46:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:46:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:46:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:46:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:46:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:46:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:46:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:46:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:46:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:46:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:46:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:46:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:46:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:46:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:46:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:46:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:46:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-28 16:46:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:46:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:46:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:46:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:46:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:46:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:46:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:46:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:46:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:46:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:46:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:46:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:46:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:46:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:46:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:46:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:46:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:46:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:46:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:46:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:46:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:46:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:46:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:46:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:46:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:46:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:46:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:46:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:46:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:46:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:46:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:46:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:46:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:46:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:46:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:46:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:46:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:46:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:46:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:46:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:46:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:46:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:46:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:46:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:46:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:46:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:46:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:46:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:46:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:46:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:46:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:46:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:46:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:46:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:46:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:46:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:46:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:46:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:46:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:46:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-28 16:46:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:46:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:46:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:46:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:46:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:46:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:46:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:46:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:46:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:46:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:46:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:46:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:46:16,859 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:46:16,859 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:46:16,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:46:16 BoogieIcfgContainer [2020-10-28 16:46:16,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:46:16,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:46:16,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:46:16,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:46:16,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:46:14" (1/3) ... [2020-10-28 16:46:16,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aecb358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:46:16, skipping insertion in model container [2020-10-28 16:46:16,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:15" (2/3) ... [2020-10-28 16:46:16,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aecb358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:46:16, skipping insertion in model container [2020-10-28 16:46:16,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:46:16" (3/3) ... [2020-10-28 16:46:16,876 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2020-10-28 16:46:16,889 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:46:16,894 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:46:16,908 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:46:16,953 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:46:16,954 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:46:16,954 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:46:16,954 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:46:16,954 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:46:16,954 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:46:16,955 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:46:16,955 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:46:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-10-28 16:46:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:46:16,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:16,988 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] [2020-10-28 16:46:16,989 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:16,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:16,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1498946511, now seen corresponding path program 1 times [2020-10-28 16:46:17,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:17,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121894767] [2020-10-28 16:46:17,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:17,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:17,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:18,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:20,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:22,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:22,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:46:22,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-28 16:46:22,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:22,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:22,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:46:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-28 16:46:22,908 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:22,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:22,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:22,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:22,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:22,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 16:46:22,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:22,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:22,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:22,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:22,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:22,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:22,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:22,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:22,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:22,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:22,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:22,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:22,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:22,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:22,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:22,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:22,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:22,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:22,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:22,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:22,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:22,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:22,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:22,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:22,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:22,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:22,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:22,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:22,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:22,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:22,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:22,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:22,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:22,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:23,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:23,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:23,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:23,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:23,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:23,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:23,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:23,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:23,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:23,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:23,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:23,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:23,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:23,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:23,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:23,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:23,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:23,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:23,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:46:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:23,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:23,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:23,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:23,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:23,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:23,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:23,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:23,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:23,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:23,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:23,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:23,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:23,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:23,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:23,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:23,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:23,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:23,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:46:23,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121894767] [2020-10-28 16:46:23,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:23,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:46:23,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860255192] [2020-10-28 16:46:23,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:46:23,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:23,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:46:23,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:46:23,075 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-10-28 16:46:24,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:24,560 INFO L93 Difference]: Finished difference Result 298 states and 394 transitions. [2020-10-28 16:46:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:46:24,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:46:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:24,576 INFO L225 Difference]: With dead ends: 298 [2020-10-28 16:46:24,576 INFO L226 Difference]: Without dead ends: 165 [2020-10-28 16:46:24,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:46:24,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-28 16:46:24,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 131. [2020-10-28 16:46:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-28 16:46:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 156 transitions. [2020-10-28 16:46:24,694 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 156 transitions. Word has length 52 [2020-10-28 16:46:24,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:24,695 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 156 transitions. [2020-10-28 16:46:24,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:46:24,695 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2020-10-28 16:46:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:46:24,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:24,707 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] [2020-10-28 16:46:24,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:46:24,708 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:24,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:24,709 INFO L82 PathProgramCache]: Analyzing trace with hash 349722263, now seen corresponding path program 1 times [2020-10-28 16:46:24,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:24,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400503575] [2020-10-28 16:46:24,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:24,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:24,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:24,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:26,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:26,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:29,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:29,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:46:29,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:29,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 16:46:29,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:29,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:46:29,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:46:29,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:30,214 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:30,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:30,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:30,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:30,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 16:46:30,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:30,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:30,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:30,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:30,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:30,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:46:30,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:30,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:30,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:30,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:30,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:30,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:30,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:30,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:30,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:30,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:30,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:30,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:30,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:30,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:30,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:46:30,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:30,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:30,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:30,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:30,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:30,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:30,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:30,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:30,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:30,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:30,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:30,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:30,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:30,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:30,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:30,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:30,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:30,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:30,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:30,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:30,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:30,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:30,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:30,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:30,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:30,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:30,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:30,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:30,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:30,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:30,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:30,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:30,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:30,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:30,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:30,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:30,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:30,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:30,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:30,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:30,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:30,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:30,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:46:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:30,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:30,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:30,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:30,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:30,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:30,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:46:30,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400503575] [2020-10-28 16:46:30,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:30,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:46:30,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60730545] [2020-10-28 16:46:30,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:46:30,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:30,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:46:30,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:46:30,428 INFO L87 Difference]: Start difference. First operand 131 states and 156 transitions. Second operand 5 states. [2020-10-28 16:46:31,131 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:32,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:32,258 INFO L93 Difference]: Finished difference Result 234 states and 293 transitions. [2020-10-28 16:46:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:46:32,259 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:46:32,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:32,262 INFO L225 Difference]: With dead ends: 234 [2020-10-28 16:46:32,262 INFO L226 Difference]: Without dead ends: 155 [2020-10-28 16:46:32,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:46:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-28 16:46:32,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 122. [2020-10-28 16:46:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-28 16:46:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2020-10-28 16:46:32,320 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 53 [2020-10-28 16:46:32,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:32,320 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2020-10-28 16:46:32,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:46:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2020-10-28 16:46:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-28 16:46:32,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:32,323 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] [2020-10-28 16:46:32,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:46:32,323 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:32,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:32,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1979154825, now seen corresponding path program 1 times [2020-10-28 16:46:32,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:32,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276985591] [2020-10-28 16:46:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:32,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:32,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:32,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:33,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:35,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:37,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:46:37,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:37,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 16:46:37,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:37,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 16:46:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:37,835 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:37,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:37,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:37,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:37,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 16:46:37,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:37,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:37,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:37,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:37,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:37,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:37,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:37,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:37,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:37,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:37,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:37,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:37,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:37,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:37,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:37,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:37,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:37,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:37,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:37,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:37,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:46:37,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:37,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:37,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:37,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:37,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:37,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:37,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:37,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:37,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:37,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:37,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:37,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:37,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:37,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:37,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:37,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:38,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 16:46:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:38,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:38,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:38,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:38,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:38,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:38,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:38,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:38,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:38,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:46:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:38,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:38,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:38,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:38,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:38,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:38,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:46:38,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276985591] [2020-10-28 16:46:38,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:38,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:46:38,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305630534] [2020-10-28 16:46:38,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:46:38,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:38,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:46:38,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:46:38,024 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand 6 states. [2020-10-28 16:46:38,495 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:46:39,378 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:41,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:41,461 INFO L93 Difference]: Finished difference Result 415 states and 529 transitions. [2020-10-28 16:46:41,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:46:41,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-10-28 16:46:41,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:41,467 INFO L225 Difference]: With dead ends: 415 [2020-10-28 16:46:41,467 INFO L226 Difference]: Without dead ends: 321 [2020-10-28 16:46:41,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:46:41,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-10-28 16:46:41,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 258. [2020-10-28 16:46:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-28 16:46:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 317 transitions. [2020-10-28 16:46:41,592 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 317 transitions. Word has length 57 [2020-10-28 16:46:41,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:41,593 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 317 transitions. [2020-10-28 16:46:41,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:46:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 317 transitions. [2020-10-28 16:46:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 16:46:41,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:41,595 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] [2020-10-28 16:46:41,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:46:41,595 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:41,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:41,596 INFO L82 PathProgramCache]: Analyzing trace with hash 128421951, now seen corresponding path program 1 times [2020-10-28 16:46:41,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:41,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859473294] [2020-10-28 16:46:41,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:41,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:42,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:42,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:42,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:46,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:46,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 16:46:46,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:46,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 16:46:46,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:46,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:46:46,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 16:46:46,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,028 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:47,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 16:46:47,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:47,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:47,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:47,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:47,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:47,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:47,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:47,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:47,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:47,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:47,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:47,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:47,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:47,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:47,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:47,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:47,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:47,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:46:47,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:47,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:47,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:46:47,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:46:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:47,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:47,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:47,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 16:46:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:47,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:47,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:47,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:47,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:47,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:47,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:47,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:46:47,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859473294] [2020-10-28 16:46:47,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:47,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:46:47,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083346712] [2020-10-28 16:46:47,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:46:47,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:47,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:46:47,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:46:47,154 INFO L87 Difference]: Start difference. First operand 258 states and 317 transitions. Second operand 6 states. [2020-10-28 16:46:47,653 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:46:50,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:50,726 INFO L93 Difference]: Finished difference Result 671 states and 931 transitions. [2020-10-28 16:46:50,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:46:50,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-28 16:46:50,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:50,742 INFO L225 Difference]: With dead ends: 671 [2020-10-28 16:46:50,742 INFO L226 Difference]: Without dead ends: 667 [2020-10-28 16:46:50,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:46:50,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-10-28 16:46:50,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 496. [2020-10-28 16:46:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-10-28 16:46:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 620 transitions. [2020-10-28 16:46:50,959 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 620 transitions. Word has length 63 [2020-10-28 16:46:50,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:50,960 INFO L481 AbstractCegarLoop]: Abstraction has 496 states and 620 transitions. [2020-10-28 16:46:50,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:46:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 620 transitions. [2020-10-28 16:46:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 16:46:50,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:50,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 16:46:50,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:46:50,966 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:50,966 INFO L82 PathProgramCache]: Analyzing trace with hash -302077078, now seen corresponding path program 1 times [2020-10-28 16:46:50,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:50,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575951525] [2020-10-28 16:46:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:52,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:55,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-28 16:46:56,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:46:56,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 16:46:56,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:46:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:46:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:46:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,450 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:56,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:56,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:46:56,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:56,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:56,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:56,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:56,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:56,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:56,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:56,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:56,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:56,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:46:56,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:46:56,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:56,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:56,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:56,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:46:56,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:46:56,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:46:56,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:46:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:46:56,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 16:46:56,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:46:56,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 16:46:56,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:46:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:46:56,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:46:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:56,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:56,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:46:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:56,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:46:56,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:46:56,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:56,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:56,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-28 16:46:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:56,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:56,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-28 16:46:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:56,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:56,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:56,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:56,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:56,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:56,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:56,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:56,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:56,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:56,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:56,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 16:46:56,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575951525] [2020-10-28 16:46:56,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:46:56,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:46:56,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704623779] [2020-10-28 16:46:56,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:46:56,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:56,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:46:56,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:46:56,971 INFO L87 Difference]: Start difference. First operand 496 states and 620 transitions. Second operand 13 states. [2020-10-28 16:46:57,714 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:59,219 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:46:59,703 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:47:00,585 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-10-28 16:47:00,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:00,944 INFO L93 Difference]: Finished difference Result 685 states and 905 transitions. [2020-10-28 16:47:00,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:47:00,945 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 93 [2020-10-28 16:47:00,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:00,946 INFO L225 Difference]: With dead ends: 685 [2020-10-28 16:47:00,946 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:47:00,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-10-28 16:47:00,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:47:00,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:47:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:47:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:47:00,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 93 [2020-10-28 16:47:00,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:00,952 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:47:00,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:47:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:47:00,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:47:00,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:47:00,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:47:01,243 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 12 [2020-10-28 16:47:02,701 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 12 [2020-10-28 16:47:04,493 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:47:04,819 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:05,206 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:47:05,534 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:06,154 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:47:06,522 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:06,884 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:07,526 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-10-28 16:47:08,176 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-10-28 16:47:08,475 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:47:09,032 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 13 [2020-10-28 16:47:09,663 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 13 [2020-10-28 16:47:10,011 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:10,323 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:10,660 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:11,284 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:47:11,583 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2020-10-28 16:47:11,926 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:12,521 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 12 [2020-10-28 16:47:13,196 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:47:13,806 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 12 [2020-10-28 16:47:14,148 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-10-28 16:47:14,800 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 21 [2020-10-28 16:47:15,143 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:15,467 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-10-28 16:47:16,132 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 16 [2020-10-28 16:47:16,727 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 12 [2020-10-28 16:47:16,731 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:47:16,732 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:47:16,732 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:47:16,732 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:47:16,733 INFO L274 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-10-28 16:47:16,733 INFO L274 CegarLoopResult]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2020-10-28 16:47:16,733 INFO L274 CegarLoopResult]: For program point L278(lines 255 279) no Hoare annotation was computed. [2020-10-28 16:47:16,733 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2020-10-28 16:47:16,734 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2020-10-28 16:47:16,734 INFO L274 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-10-28 16:47:16,734 INFO L274 CegarLoopResult]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2020-10-28 16:47:16,734 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2020-10-28 16:47:16,734 INFO L274 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-10-28 16:47:16,734 INFO L274 CegarLoopResult]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point L339(lines 312 340) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point L332-1(line 332) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2020-10-28 16:47:16,735 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 841 847) the Hoare annotation is: true [2020-10-28 16:47:16,735 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 841 847) no Hoare annotation was computed. [2020-10-28 16:47:16,736 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 848 856) no Hoare annotation was computed. [2020-10-28 16:47:16,736 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 848 856) the Hoare annotation is: true [2020-10-28 16:47:16,736 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 848 856) no Hoare annotation was computed. [2020-10-28 16:47:16,736 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,736 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2020-10-28 16:47:16,736 INFO L270 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,737 INFO L270 CegarLoopResult]: At program point L943-1(line 943) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,737 INFO L274 CegarLoopResult]: For program point L941(lines 941 948) no Hoare annotation was computed. [2020-10-28 16:47:16,737 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2020-10-28 16:47:16,737 INFO L274 CegarLoopResult]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2020-10-28 16:47:16,737 INFO L274 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-10-28 16:47:16,737 INFO L270 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,738 INFO L270 CegarLoopResult]: At program point L937(line 937) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,738 INFO L270 CegarLoopResult]: At program point L937-1(line 937) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,738 INFO L274 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-10-28 16:47:16,738 INFO L274 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-10-28 16:47:16,738 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 889 912) no Hoare annotation was computed. [2020-10-28 16:47:16,738 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-10-28 16:47:16,738 INFO L274 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-10-28 16:47:16,738 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 889 912) no Hoare annotation was computed. [2020-10-28 16:47:16,738 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 889 912) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-10-28 16:47:16,739 INFO L274 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-10-28 16:47:16,740 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 804 818) no Hoare annotation was computed. [2020-10-28 16:47:16,740 INFO L270 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:47:16,740 INFO L274 CegarLoopResult]: For program point L808(lines 808 814) no Hoare annotation was computed. [2020-10-28 16:47:16,740 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 804 818) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:47:16,740 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 804 818) no Hoare annotation was computed. [2020-10-28 16:47:16,740 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 740 748) no Hoare annotation was computed. [2020-10-28 16:47:16,740 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 740 748) the Hoare annotation is: true [2020-10-28 16:47:16,740 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 740 748) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 785 803) the Hoare annotation is: true [2020-10-28 16:47:16,741 INFO L277 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: true [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 785 803) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 785 803) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point L756(lines 756 764) no Hoare annotation was computed. [2020-10-28 16:47:16,741 INFO L274 CegarLoopResult]: For program point L756-2(lines 756 764) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 749 784) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point L779-1(line 779) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 749 784) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 749 784) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 834 840) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 834 840) the Hoare annotation is: true [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2020-10-28 16:47:16,742 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point L512(lines 512 532) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point L529(lines 529 530) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 522 523) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 529 530) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point L522(lines 522 523) no Hoare annotation was computed. [2020-10-28 16:47:16,743 INFO L274 CegarLoopResult]: For program point L518(lines 518 525) no Hoare annotation was computed. [2020-10-28 16:47:16,744 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2020-10-28 16:47:16,744 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 920 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,744 INFO L270 CegarLoopResult]: At program point L925(line 925) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,744 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 920 930) no Hoare annotation was computed. [2020-10-28 16:47:16,744 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 920 930) no Hoare annotation was computed. [2020-10-28 16:47:16,744 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 729 739) the Hoare annotation is: true [2020-10-28 16:47:16,744 INFO L277 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: true [2020-10-28 16:47:16,745 INFO L274 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-10-28 16:47:16,745 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 729 739) no Hoare annotation was computed. [2020-10-28 16:47:16,745 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 729 739) no Hoare annotation was computed. [2020-10-28 16:47:16,745 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 721 728) the Hoare annotation is: true [2020-10-28 16:47:16,745 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 721 728) no Hoare annotation was computed. [2020-10-28 16:47:16,745 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 721 728) no Hoare annotation was computed. [2020-10-28 16:47:16,745 INFO L270 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:47:16,745 INFO L270 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:47:16,746 INFO L274 CegarLoopResult]: For program point L696(lines 696 704) no Hoare annotation was computed. [2020-10-28 16:47:16,748 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 688 712) no Hoare annotation was computed. [2020-10-28 16:47:16,748 INFO L270 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:47:16,748 INFO L274 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-10-28 16:47:16,748 INFO L274 CegarLoopResult]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-10-28 16:47:16,748 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 688 712) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:47:16,748 INFO L270 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:47:16,749 INFO L274 CegarLoopResult]: For program point L707-1(lines 688 712) no Hoare annotation was computed. [2020-10-28 16:47:16,749 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 654 660) no Hoare annotation was computed. [2020-10-28 16:47:16,749 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 654 660) the Hoare annotation is: true [2020-10-28 16:47:16,749 INFO L270 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,749 INFO L270 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,749 INFO L274 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-10-28 16:47:16,749 INFO L270 CegarLoopResult]: At program point L603-1(lines 597 610) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,749 INFO L274 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-10-28 16:47:16,750 INFO L274 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-10-28 16:47:16,750 INFO L274 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-10-28 16:47:16,750 INFO L270 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,750 INFO L274 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-10-28 16:47:16,750 INFO L274 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-10-28 16:47:16,750 INFO L270 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,750 INFO L270 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= ~pumpRunning~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,750 INFO L274 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-10-28 16:47:16,750 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-10-28 16:47:16,751 INFO L274 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-10-28 16:47:16,751 INFO L270 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,751 INFO L274 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-10-28 16:47:16,751 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 476 477) no Hoare annotation was computed. [2020-10-28 16:47:16,751 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 483 484) no Hoare annotation was computed. [2020-10-28 16:47:16,751 INFO L274 CegarLoopResult]: For program point L476(lines 476 477) no Hoare annotation was computed. [2020-10-28 16:47:16,751 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2020-10-28 16:47:16,751 INFO L274 CegarLoopResult]: For program point L472(lines 472 479) no Hoare annotation was computed. [2020-10-28 16:47:16,751 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2020-10-28 16:47:16,752 INFO L274 CegarLoopResult]: For program point L466(lines 466 486) no Hoare annotation was computed. [2020-10-28 16:47:16,752 INFO L274 CegarLoopResult]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2020-10-28 16:47:16,752 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2020-10-28 16:47:16,752 INFO L274 CegarLoopResult]: For program point L483(lines 483 484) no Hoare annotation was computed. [2020-10-28 16:47:16,752 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 128 136) no Hoare annotation was computed. [2020-10-28 16:47:16,752 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 128 136) the Hoare annotation is: true [2020-10-28 16:47:16,752 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 128 136) no Hoare annotation was computed. [2020-10-28 16:47:16,752 INFO L274 CegarLoopResult]: For program point L161(lines 161 171) no Hoare annotation was computed. [2020-10-28 16:47:16,752 INFO L270 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:47:16,753 INFO L274 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-10-28 16:47:16,753 INFO L274 CegarLoopResult]: For program point L157(lines 157 174) no Hoare annotation was computed. [2020-10-28 16:47:16,753 INFO L274 CegarLoopResult]: For program point L157-1(lines 149 177) no Hoare annotation was computed. [2020-10-28 16:47:16,753 INFO L270 CegarLoopResult]: At program point L155(line 155) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:47:16,753 INFO L274 CegarLoopResult]: For program point L155-1(line 155) no Hoare annotation was computed. [2020-10-28 16:47:16,753 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 149 177) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:47:16,753 INFO L270 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:47:16,753 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 149 177) no Hoare annotation was computed. [2020-10-28 16:47:16,753 INFO L274 CegarLoopResult]: For program point L162(lines 162 168) no Hoare annotation was computed. [2020-10-28 16:47:16,753 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 96 118) no Hoare annotation was computed. [2020-10-28 16:47:16,754 INFO L274 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2020-10-28 16:47:16,754 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2020-10-28 16:47:16,754 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 96 118) no Hoare annotation was computed. [2020-10-28 16:47:16,754 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 96 118) no Hoare annotation was computed. [2020-10-28 16:47:16,754 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 141 148) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:47:16,754 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 141 148) no Hoare annotation was computed. [2020-10-28 16:47:16,754 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 141 148) no Hoare annotation was computed. [2020-10-28 16:47:16,754 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2020-10-28 16:47:16,755 INFO L274 CegarLoopResult]: For program point L378(lines 378 394) no Hoare annotation was computed. [2020-10-28 16:47:16,755 INFO L274 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-10-28 16:47:16,755 INFO L274 CegarLoopResult]: For program point L399(lines 398 418) no Hoare annotation was computed. [2020-10-28 16:47:16,755 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-28 16:47:16,755 INFO L274 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-10-28 16:47:16,755 INFO L274 CegarLoopResult]: For program point L395(lines 395 436) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point L437(lines 437 448) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point L419(lines 397 420) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 824 833) no Hoare annotation was computed. [2020-10-28 16:47:16,756 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 824 833) no Hoare annotation was computed. [2020-10-28 16:47:16,757 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 824 833) no Hoare annotation was computed. [2020-10-28 16:47:16,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:16,757 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:47:16,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:16,757 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 713 720) no Hoare annotation was computed. [2020-10-28 16:47:16,757 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 713 720) no Hoare annotation was computed. [2020-10-28 16:47:16,757 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 713 720) no Hoare annotation was computed. [2020-10-28 16:47:16,758 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 119 127) no Hoare annotation was computed. [2020-10-28 16:47:16,758 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 119 127) no Hoare annotation was computed. [2020-10-28 16:47:16,759 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 119 127) no Hoare annotation was computed. [2020-10-28 16:47:16,759 INFO L274 CegarLoopResult]: For program point L79-1(lines 75 86) no Hoare annotation was computed. [2020-10-28 16:47:16,759 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 75 86) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 ~pumpRunning~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:47:16,759 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 75 86) no Hoare annotation was computed. [2020-10-28 16:47:16,759 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:16,759 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:47:16,759 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:16,759 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 87 95) the Hoare annotation is: true [2020-10-28 16:47:16,759 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 87 95) no Hoare annotation was computed. [2020-10-28 16:47:16,760 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 87 95) no Hoare annotation was computed. [2020-10-28 16:47:16,760 INFO L270 CegarLoopResult]: At program point L641(lines 641 647) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,760 INFO L270 CegarLoopResult]: At program point L636(line 636) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,760 INFO L274 CegarLoopResult]: For program point L634(lines 633 652) no Hoare annotation was computed. [2020-10-28 16:47:16,760 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 630 653) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,760 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 630 653) no Hoare annotation was computed. [2020-10-28 16:47:16,761 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 630 653) no Hoare annotation was computed. [2020-10-28 16:47:16,761 INFO L270 CegarLoopResult]: At program point L643(line 643) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:16,762 INFO L277 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: true [2020-10-28 16:47:16,762 INFO L274 CegarLoopResult]: For program point L865-1(line 865) no Hoare annotation was computed. [2020-10-28 16:47:16,762 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 859 888) no Hoare annotation was computed. [2020-10-28 16:47:16,762 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 859 888) the Hoare annotation is: true [2020-10-28 16:47:16,762 INFO L277 CegarLoopResult]: At program point L884(lines 859 888) the Hoare annotation is: true [2020-10-28 16:47:16,762 INFO L274 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-10-28 16:47:16,762 INFO L274 CegarLoopResult]: For program point L873(lines 873 877) no Hoare annotation was computed. [2020-10-28 16:47:16,762 INFO L277 CegarLoopResult]: At program point L873-1(lines 873 877) the Hoare annotation is: true [2020-10-28 16:47:16,762 INFO L274 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-10-28 16:47:16,762 INFO L277 CegarLoopResult]: At program point L869-2(lines 869 883) the Hoare annotation is: true [2020-10-28 16:47:16,763 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 51 62) the Hoare annotation is: true [2020-10-28 16:47:16,763 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 51 62) no Hoare annotation was computed. [2020-10-28 16:47:16,763 INFO L274 CegarLoopResult]: For program point L55-1(lines 51 62) no Hoare annotation was computed. [2020-10-28 16:47:16,763 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 913 919) no Hoare annotation was computed. [2020-10-28 16:47:16,763 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 913 919) the Hoare annotation is: true [2020-10-28 16:47:16,763 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:16,764 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-28 16:47:16,764 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:47:16,764 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:16,764 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 63 74) no Hoare annotation was computed. [2020-10-28 16:47:16,764 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 63 74) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:47:16,764 INFO L274 CegarLoopResult]: For program point L67-1(lines 63 74) no Hoare annotation was computed. [2020-10-28 16:47:16,764 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2020-10-28 16:47:16,764 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2020-10-28 16:47:16,764 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-28 16:47:16,765 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2020-10-28 16:47:16,765 INFO L270 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:47:16,765 INFO L274 CegarLoopResult]: For program point L670(lines 670 678) no Hoare annotation was computed. [2020-10-28 16:47:16,765 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 662 686) no Hoare annotation was computed. [2020-10-28 16:47:16,765 INFO L270 CegarLoopResult]: At program point L668(line 668) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:47:16,765 INFO L274 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-10-28 16:47:16,765 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 662 686) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:47:16,765 INFO L274 CegarLoopResult]: For program point L666(lines 666 683) no Hoare annotation was computed. [2020-10-28 16:47:16,765 INFO L270 CegarLoopResult]: At program point L681(line 681) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:47:16,766 INFO L274 CegarLoopResult]: For program point L681-1(lines 662 686) no Hoare annotation was computed. [2020-10-28 16:47:16,766 INFO L270 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-10-28 16:47:16,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:47:16 BoogieIcfgContainer [2020-10-28 16:47:16,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:47:16,794 INFO L168 Benchmark]: Toolchain (without parser) took 62099.97 ms. Allocated memory was 151.0 MB in the beginning and 735.1 MB in the end (delta: 584.1 MB). Free memory was 125.2 MB in the beginning and 528.4 MB in the end (delta: -403.2 MB). Peak memory consumption was 436.3 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:16,795 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:47:16,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.05 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 103.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:16,796 INFO L168 Benchmark]: Boogie Preprocessor took 125.10 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:16,798 INFO L168 Benchmark]: RCFGBuilder took 1371.10 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 99.3 MB in the beginning and 177.8 MB in the end (delta: -78.5 MB). Peak memory consumption was 53.4 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:16,799 INFO L168 Benchmark]: TraceAbstraction took 59924.77 ms. Allocated memory was 199.2 MB in the beginning and 735.1 MB in the end (delta: 535.8 MB). Free memory was 177.3 MB in the beginning and 528.4 MB in the end (delta: -351.1 MB). Peak memory consumption was 439.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:16,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 662.05 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 103.3 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 125.10 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1371.10 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 99.3 MB in the beginning and 177.8 MB in the end (delta: -78.5 MB). Peak memory consumption was 53.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 59924.77 ms. Allocated memory was 199.2 MB in the beginning and 735.1 MB in the end (delta: 535.8 MB). Free memory was 177.3 MB in the beginning and 528.4 MB in the end (delta: -351.1 MB). Peak memory consumption was 439.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 483]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 522]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 529]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || (((splverifierCounter <= 0 && 0 <= pumpRunning) && methAndRunningLastTime == 0) && pumpRunning <= 0)) || !(0 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 247 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 44.0s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 541 SDtfs, 1075 SDslu, 395 SDs, 0 SdLazy, 1837 SolverSat, 823 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 301 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 462 PreInvPairs, 509 NumberOfFragments, 1108 HoareAnnotationTreeSize, 462 FomulaSimplifications, 145136 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 62 FomulaSimplificationsInter, 12933 FormulaSimplificationTreeSizeReductionInter, 12.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 28.4s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 102715 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 24/26 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...