/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:14:20,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:14:20,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:14:20,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:14:20,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:14:20,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:14:20,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:14:20,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:14:20,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:14:20,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:14:20,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:14:20,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:14:20,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:14:20,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:14:20,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:14:20,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:14:20,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:14:20,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:14:20,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:14:20,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:14:20,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:14:20,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:14:20,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:14:20,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:14:20,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:14:20,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:14:20,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:14:20,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:14:20,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:14:20,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:14:20,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:14:20,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:14:20,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:14:20,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:14:20,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:14:20,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:14:20,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:14:20,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:14:20,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:14:20,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:14:20,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:14:20,127 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 [2020-09-21 12:14:20,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:14:20,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:14:20,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:14:20,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:14:20,177 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:14:20,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:14:20,177 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:14:20,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:14:20,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:14:20,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:14:20,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:14:20,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:14:20,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:14:20,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:14:20,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:14:20,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:14:20,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:14:20,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:14:20,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:14:20,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:14:20,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:14:20,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:14:20,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:14:20,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:14:20,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:14:20,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:14:20,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:14:20,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:14:20,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:14:20,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:14:20,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:14:20,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:14:20,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:14:20,680 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:14:20,680 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:14:20,682 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-09-21 12:14:20,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4bde795a/e17c92942601425c93d827341407d199/FLAG8a0efa329 [2020-09-21 12:14:21,432 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:14:21,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-09-21 12:14:21,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4bde795a/e17c92942601425c93d827341407d199/FLAG8a0efa329 [2020-09-21 12:14:21,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4bde795a/e17c92942601425c93d827341407d199 [2020-09-21 12:14:21,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:14:21,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:14:21,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:14:21,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:14:21,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:14:21,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:14:21" (1/1) ... [2020-09-21 12:14:21,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:21, skipping insertion in model container [2020-09-21 12:14:21,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:14:21" (1/1) ... [2020-09-21 12:14:21,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:14:21,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:14:22,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:14:22,273 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:14:22,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:14:22,413 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:14:22,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22 WrapperNode [2020-09-21 12:14:22,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:14:22,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:14:22,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:14:22,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:14:22,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (1/1) ... [2020-09-21 12:14:22,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (1/1) ... [2020-09-21 12:14:22,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (1/1) ... [2020-09-21 12:14:22,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (1/1) ... [2020-09-21 12:14:22,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (1/1) ... [2020-09-21 12:14:22,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (1/1) ... [2020-09-21 12:14:22,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (1/1) ... [2020-09-21 12:14:22,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:14:22,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:14:22,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:14:22,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:14:22,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:14:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:14:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:14:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:14:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:14:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:14:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:14:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:14:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:14:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:14:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:14:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:14:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:14:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:14:22,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:14:22,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:14:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:14:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:14:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:14:22,655 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:14:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:14:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:14:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:14:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:14:22,656 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:14:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:14:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:14:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:14:22,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:14:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:14:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:14:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:14:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:14:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:14:22,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:14:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:14:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:14:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:14:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:14:22,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:14:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:14:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:14:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:14:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:14:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:14:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:14:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:14:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:14:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:14:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:14:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:14:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:14:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:14:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:14:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:14:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:14:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:14:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:14:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:14:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:14:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:14:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:14:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:14:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:14:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:14:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:14:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:14:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:14:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:14:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:14:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:14:22,670 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:14:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:14:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:14:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:14:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:14:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:14:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:14:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:14:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:14:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:14:22,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:14:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:14:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:14:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:14:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:14:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:14:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:14:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:14:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:14:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:14:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:14:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:14:23,727 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:14:23,727 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:14:23,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:14:23 BoogieIcfgContainer [2020-09-21 12:14:23,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:14:23,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:14:23,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:14:23,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:14:23,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:14:21" (1/3) ... [2020-09-21 12:14:23,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:14:23, skipping insertion in model container [2020-09-21 12:14:23,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:14:22" (2/3) ... [2020-09-21 12:14:23,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c9588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:14:23, skipping insertion in model container [2020-09-21 12:14:23,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:14:23" (3/3) ... [2020-09-21 12:14:23,749 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2020-09-21 12:14:23,762 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:14:23,775 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:14:23,796 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:14:23,824 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:14:23,824 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:14:23,824 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:14:23,824 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:14:23,824 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:14:23,825 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:14:23,825 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:14:23,825 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:14:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-09-21 12:14:23,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:14:23,865 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:23,867 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] [2020-09-21 12:14:23,867 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:23,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:23,876 INFO L82 PathProgramCache]: Analyzing trace with hash 251220135, now seen corresponding path program 1 times [2020-09-21 12:14:23,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:23,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137679808] [2020-09-21 12:14:23,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:24,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:24,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:25,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:25,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:14:25,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1079 [2020-09-21 12:14:25,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:14:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:14:25,658 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:25,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:25,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:25,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:25,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:25,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-21 12:14:25,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:25,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:25,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:25,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:25,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:25,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:25,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:25,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:25,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:25,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:25,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:25,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:25,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:25,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:25,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:25,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:25,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:25,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:25,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:25,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:25,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:25,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:25,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:25,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:25,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:25,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:25,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:14:25,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:25,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:25,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:25,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:25,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:25,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:25,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:25,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:25,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:25,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:25,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:25,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:14:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:25,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:25,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:25,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:25,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:25,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:14:25,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:25,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:25,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:25,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:25,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:25,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:14:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:25,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:25,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:25,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:25,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:25,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:25,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:25,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:25,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:25,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137679808] [2020-09-21 12:14:25,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:25,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:14:25,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361425461] [2020-09-21 12:14:25,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:14:25,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:25,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:14:25,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:14:25,943 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-09-21 12:14:27,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:27,053 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-09-21 12:14:27,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:14:27,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:14:27,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:27,074 INFO L225 Difference]: With dead ends: 261 [2020-09-21 12:14:27,074 INFO L226 Difference]: Without dead ends: 142 [2020-09-21 12:14:27,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:14:27,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-09-21 12:14:27,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-09-21 12:14:27,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-21 12:14:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-09-21 12:14:27,222 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-09-21 12:14:27,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:27,223 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-09-21 12:14:27,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:14:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-09-21 12:14:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:14:27,228 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:27,229 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] [2020-09-21 12:14:27,229 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:14:27,229 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:27,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:27,231 INFO L82 PathProgramCache]: Analyzing trace with hash -128124380, now seen corresponding path program 1 times [2020-09-21 12:14:27,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:27,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165776681] [2020-09-21 12:14:27,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:27,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:27,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:28,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:28,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:28,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:14:28,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:14:28,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1624 [2020-09-21 12:14:28,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:14:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:14:28,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:29,334 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:29,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:29,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:29,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:29,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:29,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:29,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-21 12:14:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:29,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:29,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:29,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:29,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:29,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:29,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:29,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:29,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:29,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:29,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:29,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:29,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:29,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:29,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:29,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:29,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:29,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:29,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:29,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:29,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:29,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:29,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:29,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:29,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:29,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:14:29,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:29,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:29,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:29,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:29,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:29,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:29,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:29,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:29,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:29,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:29,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:14:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:29,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:29,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:29,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:29,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:29,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:29,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:29,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:29,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:29,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:29,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:14:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:29,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:29,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:29,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:29,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:29,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:29,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165776681] [2020-09-21 12:14:29,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:29,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:14:29,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671023624] [2020-09-21 12:14:29,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:14:29,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:29,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:14:29,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:14:29,617 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-09-21 12:14:30,108 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:14:30,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:30,752 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-09-21 12:14:30,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:14:30,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:14:30,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:30,756 INFO L225 Difference]: With dead ends: 188 [2020-09-21 12:14:30,756 INFO L226 Difference]: Without dead ends: 126 [2020-09-21 12:14:30,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:14:30,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-21 12:14:30,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-09-21 12:14:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-09-21 12:14:30,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-09-21 12:14:30,791 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-09-21 12:14:30,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:30,791 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-09-21 12:14:30,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:14:30,792 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-09-21 12:14:30,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:14:30,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:30,794 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] [2020-09-21 12:14:30,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:14:30,794 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:30,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:30,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1051903128, now seen corresponding path program 1 times [2020-09-21 12:14:30,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:30,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674631996] [2020-09-21 12:14:30,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:30,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:31,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:31,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:31,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 12:14:31,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:31,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1064 [2020-09-21 12:14:31,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:31,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:14:31,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:31,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 12:14:31,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:32,250 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:32,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:32,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:32,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:32,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:32,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:32,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 12:14:32,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:32,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:32,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:32,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:32,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:32,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:32,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:32,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:32,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:32,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:32,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:32,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:32,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:32,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:32,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:32,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:32,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:32,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:32,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:32,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:32,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:32,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:32,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:32,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:32,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:32,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:32,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:32,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:32,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:32,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:32,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:32,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:32,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:32,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:32,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:32,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:32,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:32,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:32,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:14:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:32,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:32,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:32,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:32,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:32,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:32,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:32,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:14:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:32,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:32,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:32,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:32,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:32,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:32,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:32,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:32,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:32,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:32,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:32,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674631996] [2020-09-21 12:14:32,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:32,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:14:32,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990076107] [2020-09-21 12:14:32,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:14:32,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:32,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:14:32,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:14:32,473 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 4 states. [2020-09-21 12:14:32,814 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:34,138 INFO L93 Difference]: Finished difference Result 290 states and 359 transitions. [2020-09-21 12:14:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:14:34,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:14:34,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:34,143 INFO L225 Difference]: With dead ends: 290 [2020-09-21 12:14:34,143 INFO L226 Difference]: Without dead ends: 213 [2020-09-21 12:14:34,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:14:34,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-09-21 12:14:34,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 172. [2020-09-21 12:14:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-21 12:14:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 205 transitions. [2020-09-21 12:14:34,220 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 205 transitions. Word has length 51 [2020-09-21 12:14:34,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:34,221 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 205 transitions. [2020-09-21 12:14:34,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:14:34,221 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2020-09-21 12:14:34,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:14:34,223 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:34,224 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] [2020-09-21 12:14:34,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:14:34,224 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:34,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:34,224 INFO L82 PathProgramCache]: Analyzing trace with hash -462875738, now seen corresponding path program 1 times [2020-09-21 12:14:34,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:34,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271026976] [2020-09-21 12:14:34,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:34,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:14:35,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:14:35,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 12:14:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-21 12:14:35,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:35,654 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:35,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:35,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-21 12:14:35,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:35,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:35,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:35,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:35,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:35,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:35,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:35,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:35,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:14:35,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:35,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:35,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:35,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:35,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:35,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:35,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:35,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:35,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:14:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:14:35,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:35,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:35,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:14:35,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:14:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:35,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:14:35,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:14:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:35,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:35,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:14:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:35,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:35,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:35,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:35,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:35,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:35,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:35,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:35,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271026976] [2020-09-21 12:14:35,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:35,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:14:35,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791502235] [2020-09-21 12:14:35,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:14:35,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:35,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:14:35,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:14:35,943 INFO L87 Difference]: Start difference. First operand 172 states and 205 transitions. Second operand 8 states. [2020-09-21 12:14:36,445 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:37,648 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:38,023 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:38,334 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:38,628 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:39,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:39,402 INFO L93 Difference]: Finished difference Result 524 states and 688 transitions. [2020-09-21 12:14:39,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:14:39,404 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-09-21 12:14:39,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:39,415 INFO L225 Difference]: With dead ends: 524 [2020-09-21 12:14:39,417 INFO L226 Difference]: Without dead ends: 376 [2020-09-21 12:14:39,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:14:39,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-09-21 12:14:39,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 319. [2020-09-21 12:14:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 12:14:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 391 transitions. [2020-09-21 12:14:39,559 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 391 transitions. Word has length 57 [2020-09-21 12:14:39,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:39,560 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 391 transitions. [2020-09-21 12:14:39,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:14:39,560 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 391 transitions. [2020-09-21 12:14:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 12:14:39,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:39,571 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] [2020-09-21 12:14:39,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:14:39,572 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:39,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:39,572 INFO L82 PathProgramCache]: Analyzing trace with hash 773907884, now seen corresponding path program 1 times [2020-09-21 12:14:39,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:39,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532445477] [2020-09-21 12:14:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:39,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:40,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:40,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 12:14:40,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:40,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:14:40,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 12:14:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 12:14:40,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:40,984 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:40,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:41,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-21 12:14:41,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:41,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:41,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:41,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:41,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:41,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:41,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:41,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:41,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:41,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:41,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:41,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:41,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:41,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:41,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 12:14:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:41,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:14:41,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:14:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:14:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:14:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:41,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:14:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:14:41,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:14:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:14:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:41,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:14:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:41,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:41,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:14:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:41,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:41,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:41,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:14:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:41,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:41,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:41,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:41,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:41,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:41,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:41,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:41,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:41,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532445477] [2020-09-21 12:14:41,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:41,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 12:14:41,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942054002] [2020-09-21 12:14:41,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:14:41,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:41,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:14:41,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:14:41,328 INFO L87 Difference]: Start difference. First operand 319 states and 391 transitions. Second operand 11 states. [2020-09-21 12:14:41,798 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:42,534 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:43,634 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:44,166 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:44,497 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:44,791 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:14:45,144 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:45,540 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:45,922 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:47,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:47,739 INFO L93 Difference]: Finished difference Result 901 states and 1199 transitions. [2020-09-21 12:14:47,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 12:14:47,740 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-09-21 12:14:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:47,747 INFO L225 Difference]: With dead ends: 901 [2020-09-21 12:14:47,748 INFO L226 Difference]: Without dead ends: 731 [2020-09-21 12:14:47,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2020-09-21 12:14:47,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-09-21 12:14:47,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 587. [2020-09-21 12:14:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-09-21 12:14:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 718 transitions. [2020-09-21 12:14:47,882 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 718 transitions. Word has length 61 [2020-09-21 12:14:47,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:47,883 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 718 transitions. [2020-09-21 12:14:47,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:14:47,883 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 718 transitions. [2020-09-21 12:14:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 12:14:47,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:47,885 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] [2020-09-21 12:14:47,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:14:47,886 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:47,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:47,886 INFO L82 PathProgramCache]: Analyzing trace with hash 882112780, now seen corresponding path program 1 times [2020-09-21 12:14:47,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:47,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637039821] [2020-09-21 12:14:47,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:47,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:48,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:48,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:48,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-21 12:14:48,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:48,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:14:48,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:14:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 12:14:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:14:48,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:49,211 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:49,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:49,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 12:14:49,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:49,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:49,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:49,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:49,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:49,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:49,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:49,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:49,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:49,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:49,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:49,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:49,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:49,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:49,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:14:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:14:49,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:49,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:49,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:49,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:14:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:49,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:49,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:14:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:49,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:49,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:49,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:49,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:14:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:49,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:49,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:49,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:49,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:49,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:49,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:49,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:49,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:49,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637039821] [2020-09-21 12:14:49,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:49,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:14:49,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042734652] [2020-09-21 12:14:49,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:14:49,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:49,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:14:49,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:14:49,371 INFO L87 Difference]: Start difference. First operand 587 states and 718 transitions. Second operand 6 states. [2020-09-21 12:14:49,741 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:14:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:50,352 INFO L93 Difference]: Finished difference Result 774 states and 968 transitions. [2020-09-21 12:14:50,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:14:50,353 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-09-21 12:14:50,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:50,354 INFO L225 Difference]: With dead ends: 774 [2020-09-21 12:14:50,354 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:14:50,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:14:50,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:14:50,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:14:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:14:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:14:50,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-09-21 12:14:50,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:50,359 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:14:50,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:14:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:14:50,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:14:50,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:14:50,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:14:50,564 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:50,736 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:50,897 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:51,063 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:51,235 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:51,411 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:51,576 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:51,755 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:51,919 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:52,083 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:52,641 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 193 [2020-09-21 12:14:52,817 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:53,146 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 12:14:53,477 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 12:14:53,802 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 12:14:53,956 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:54,118 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:54,276 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:54,430 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:54,588 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:54,767 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:54,929 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:55,089 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:55,242 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:55,385 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:55,544 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:55,707 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:55,865 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:56,023 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:56,181 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:56,333 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:56,492 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:56,646 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:56,799 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:56,957 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:57,117 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:57,275 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:57,465 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 16 [2020-09-21 12:14:57,632 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:57,791 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:57,950 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:58,110 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:58,263 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:58,420 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:58,612 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 16 [2020-09-21 12:14:58,791 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:58,947 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:59,100 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:59,258 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:59,417 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:14:59,575 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:59,733 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:59,890 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:15:00,053 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:15:00,250 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:15:00,423 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:15:00,579 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:15:00,831 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 12:15:01,103 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-21 12:15:01,461 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-21 12:15:01,737 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-21 12:15:02,000 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 12:15:02,159 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:15:02,346 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 16 [2020-09-21 12:15:02,504 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:15:02,695 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:15:02,854 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:15:03,009 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:15:03,161 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:15:03,324 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:15:03,517 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 16 [2020-09-21 12:15:03,674 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:15:04,288 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-09-21 12:15:04,514 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-21 12:15:04,715 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-09-21 12:15:05,497 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-09-21 12:15:06,145 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-09-21 12:15:06,358 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-09-21 12:15:06,551 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:15:06,770 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-21 12:15:07,440 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-09-21 12:15:07,648 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-09-21 12:15:07,877 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-21 12:15:08,569 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-09-21 12:15:09,338 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-09-21 12:15:09,529 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-09-21 12:15:09,884 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-21 12:15:10,163 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-21 12:15:10,396 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-21 12:15:11,065 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2020-09-21 12:15:11,298 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-21 12:15:12,042 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-09-21 12:15:12,356 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-21 12:15:12,361 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 662) no Hoare annotation was computed. [2020-09-21 12:15:12,361 INFO L268 CegarLoopResult]: For program point L663(lines 640 664) no Hoare annotation was computed. [2020-09-21 12:15:12,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 616 671) no Hoare annotation was computed. [2020-09-21 12:15:12,362 INFO L268 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2020-09-21 12:15:12,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 616 671) no Hoare annotation was computed. [2020-09-21 12:15:12,362 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2020-09-21 12:15:12,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 616 671) no Hoare annotation was computed. [2020-09-21 12:15:12,362 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-09-21 12:15:12,362 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point L704-1(lines 704 708) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point L698-2(lines 698 723) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 672 731) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point L724(lines 697 725) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 672 731) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-09-21 12:15:12,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 672 731) no Hoare annotation was computed. [2020-09-21 12:15:12,364 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 547 553) the Hoare annotation is: true [2020-09-21 12:15:12,364 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 547 553) no Hoare annotation was computed. [2020-09-21 12:15:12,364 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 554 562) no Hoare annotation was computed. [2020-09-21 12:15:12,364 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 554 562) the Hoare annotation is: true [2020-09-21 12:15:12,364 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 554 562) no Hoare annotation was computed. [2020-09-21 12:15:12,364 INFO L271 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: true [2020-09-21 12:15:12,364 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-09-21 12:15:12,365 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2020-09-21 12:15:12,365 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2020-09-21 12:15:12,365 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~pumpRunning~0))) (.cse1 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-09-21 12:15:12,365 INFO L268 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-09-21 12:15:12,365 INFO L264 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~pumpRunning~0))) (.cse1 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-09-21 12:15:12,366 INFO L268 CegarLoopResult]: For program point L165-1(line 165) no Hoare annotation was computed. [2020-09-21 12:15:12,366 INFO L268 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2020-09-21 12:15:12,366 INFO L268 CegarLoopResult]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2020-09-21 12:15:12,366 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:15:12,366 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 12:15:12,374 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:12,374 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:12,374 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:12,374 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:12,374 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:15:12,376 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:15:12,376 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:12,376 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:12,376 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:15:12,376 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:15:12,376 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:15:12,376 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:15:12,376 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:15:12,377 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:15:12,377 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:15:12,377 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:15:12,377 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:15:12,377 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:15:12,377 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:15:12,377 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:15:12,377 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:15:12,378 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:15:12,378 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:15:12,378 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:15:12,378 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:15:12,378 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:15:12,378 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 513 527) no Hoare annotation was computed. [2020-09-21 12:15:12,378 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2020-09-21 12:15:12,379 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 513 527) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 12:15:12,379 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-09-21 12:15:12,379 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 513 527) no Hoare annotation was computed. [2020-09-21 12:15:12,379 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 449 457) no Hoare annotation was computed. [2020-09-21 12:15:12,379 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 449 457) the Hoare annotation is: true [2020-09-21 12:15:12,379 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 449 457) no Hoare annotation was computed. [2020-09-21 12:15:12,379 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 494 512) the Hoare annotation is: true [2020-09-21 12:15:12,379 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-09-21 12:15:12,379 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 494 512) no Hoare annotation was computed. [2020-09-21 12:15:12,380 INFO L271 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: true [2020-09-21 12:15:12,380 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-09-21 12:15:12,380 INFO L268 CegarLoopResult]: For program point L501-1(line 501) no Hoare annotation was computed. [2020-09-21 12:15:12,380 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 494 512) no Hoare annotation was computed. [2020-09-21 12:15:12,380 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-09-21 12:15:12,380 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-09-21 12:15:12,380 INFO L268 CegarLoopResult]: For program point L465(lines 465 473) no Hoare annotation was computed. [2020-09-21 12:15:12,380 INFO L268 CegarLoopResult]: For program point L465-2(lines 465 473) no Hoare annotation was computed. [2020-09-21 12:15:12,381 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 458 493) no Hoare annotation was computed. [2020-09-21 12:15:12,381 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 12:15:12,381 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-09-21 12:15:12,381 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 458 493) no Hoare annotation was computed. [2020-09-21 12:15:12,381 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 458 493) no Hoare annotation was computed. [2020-09-21 12:15:12,381 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 540 546) no Hoare annotation was computed. [2020-09-21 12:15:12,381 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 540 546) the Hoare annotation is: true [2020-09-21 12:15:12,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 570 615) no Hoare annotation was computed. [2020-09-21 12:15:12,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 570 615) no Hoare annotation was computed. [2020-09-21 12:15:12,382 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 570 615) no Hoare annotation was computed. [2020-09-21 12:15:12,382 INFO L268 CegarLoopResult]: For program point L897(lines 897 917) no Hoare annotation was computed. [2020-09-21 12:15:12,382 INFO L268 CegarLoopResult]: For program point L897-1(lines 897 917) no Hoare annotation was computed. [2020-09-21 12:15:12,382 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 883 928) no Hoare annotation was computed. [2020-09-21 12:15:12,382 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 883 928) no Hoare annotation was computed. [2020-09-21 12:15:12,382 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-09-21 12:15:12,382 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 883 928) no Hoare annotation was computed. [2020-09-21 12:15:12,382 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:12,383 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:15:12,383 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:15:12,383 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 438 448) no Hoare annotation was computed. [2020-09-21 12:15:12,383 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 12:15:12,383 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 438 448) no Hoare annotation was computed. [2020-09-21 12:15:12,383 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-09-21 12:15:12,383 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 438 448) no Hoare annotation was computed. [2020-09-21 12:15:12,383 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 430 437) the Hoare annotation is: true [2020-09-21 12:15:12,384 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2020-09-21 12:15:12,384 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 430 437) no Hoare annotation was computed. [2020-09-21 12:15:12,384 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2020-09-21 12:15:12,384 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-09-21 12:15:12,384 INFO L268 CegarLoopResult]: For program point L383(lines 383 400) no Hoare annotation was computed. [2020-09-21 12:15:12,384 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 379 403) no Hoare annotation was computed. [2020-09-21 12:15:12,384 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 379 403) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2020-09-21 12:15:12,385 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2020-09-21 12:15:12,385 INFO L268 CegarLoopResult]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2020-09-21 12:15:12,385 INFO L264 CegarLoopResult]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2020-09-21 12:15:12,385 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2020-09-21 12:15:12,385 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-09-21 12:15:12,385 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2020-09-21 12:15:12,385 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2020-09-21 12:15:12,385 INFO L264 CegarLoopResult]: At program point testENTRY(lines 275 340) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:15:12,386 INFO L268 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-09-21 12:15:12,386 INFO L268 CegarLoopResult]: For program point testFINAL(lines 275 340) no Hoare annotation was computed. [2020-09-21 12:15:12,386 INFO L264 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:15:12,386 INFO L264 CegarLoopResult]: At program point L323(line 323) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 0 |old(~pumpRunning~0)|)))) [2020-09-21 12:15:12,386 INFO L268 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2020-09-21 12:15:12,386 INFO L264 CegarLoopResult]: At program point L321-1(lines 315 328) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 0 |old(~pumpRunning~0)|)))) [2020-09-21 12:15:12,386 INFO L268 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-09-21 12:15:12,387 INFO L268 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-09-21 12:15:12,387 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 0 |old(~pumpRunning~0)|)))) [2020-09-21 12:15:12,387 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-09-21 12:15:12,387 INFO L268 CegarLoopResult]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2020-09-21 12:15:12,387 INFO L264 CegarLoopResult]: At program point L330(lines 285 332) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 0 |old(~pumpRunning~0)|)))) [2020-09-21 12:15:12,387 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 0 |old(~pumpRunning~0)|)))) [2020-09-21 12:15:12,387 INFO L268 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-09-21 12:15:12,388 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2020-09-21 12:15:12,388 INFO L268 CegarLoopResult]: For program point testEXIT(lines 275 340) no Hoare annotation was computed. [2020-09-21 12:15:12,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 837 882) no Hoare annotation was computed. [2020-09-21 12:15:12,388 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-09-21 12:15:12,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 837 882) no Hoare annotation was computed. [2020-09-21 12:15:12,388 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-09-21 12:15:12,388 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-09-21 12:15:12,388 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 837 882) no Hoare annotation was computed. [2020-09-21 12:15:12,389 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 404 411) no Hoare annotation was computed. [2020-09-21 12:15:12,389 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 404 411) no Hoare annotation was computed. [2020-09-21 12:15:12,389 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 404 411) no Hoare annotation was computed. [2020-09-21 12:15:12,389 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 264 272) no Hoare annotation was computed. [2020-09-21 12:15:12,389 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 264 272) the Hoare annotation is: true [2020-09-21 12:15:12,389 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 264 272) no Hoare annotation was computed. [2020-09-21 12:15:12,389 INFO L268 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-09-21 12:15:12,389 INFO L268 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-09-21 12:15:12,390 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 232 254) no Hoare annotation was computed. [2020-09-21 12:15:12,390 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 232 254) no Hoare annotation was computed. [2020-09-21 12:15:12,390 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 232 254) no Hoare annotation was computed. [2020-09-21 12:15:12,390 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 530 539) no Hoare annotation was computed. [2020-09-21 12:15:12,390 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 530 539) no Hoare annotation was computed. [2020-09-21 12:15:12,390 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 530 539) no Hoare annotation was computed. [2020-09-21 12:15:12,390 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-09-21 12:15:12,390 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 734 836) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point L785(lines 785 789) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 803) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 734 836) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point L804(lines 782 805) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point L763(lines 763 779) no Hoare annotation was computed. [2020-09-21 12:15:12,391 INFO L268 CegarLoopResult]: For program point L823(lines 823 830) no Hoare annotation was computed. [2020-09-21 12:15:12,392 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 734 836) no Hoare annotation was computed. [2020-09-21 12:15:12,392 INFO L268 CegarLoopResult]: For program point L784(lines 783 803) no Hoare annotation was computed. [2020-09-21 12:15:12,392 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-09-21 12:15:12,392 INFO L268 CegarLoopResult]: For program point L815-1(line 815) no Hoare annotation was computed. [2020-09-21 12:15:12,392 INFO L268 CegarLoopResult]: For program point L780(lines 780 821) no Hoare annotation was computed. [2020-09-21 12:15:12,392 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:15:12,393 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:15:12,393 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:15:12,393 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-09-21 12:15:12,393 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 413 429) no Hoare annotation was computed. [2020-09-21 12:15:12,393 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 413 429) no Hoare annotation was computed. [2020-09-21 12:15:12,393 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:15:12,393 INFO L268 CegarLoopResult]: For program point L424-1(lines 413 429) no Hoare annotation was computed. [2020-09-21 12:15:12,393 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-09-21 12:15:12,394 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:15:12,394 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 255 263) the Hoare annotation is: true [2020-09-21 12:15:12,394 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 255 263) no Hoare annotation was computed. [2020-09-21 12:15:12,394 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 255 263) no Hoare annotation was computed. [2020-09-21 12:15:12,394 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 211 222) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~pumpRunning~0))) (.cse1 (not (<= ~pumpRunning~0 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-09-21 12:15:12,394 INFO L268 CegarLoopResult]: For program point L215-1(lines 211 222) no Hoare annotation was computed. [2020-09-21 12:15:12,394 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 211 222) no Hoare annotation was computed. [2020-09-21 12:15:12,394 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:15:12,394 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:15:12,395 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:15:12,395 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2020-09-21 12:15:12,395 INFO L268 CegarLoopResult]: For program point L351(lines 350 369) no Hoare annotation was computed. [2020-09-21 12:15:12,395 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 347 370) the Hoare annotation is: (let ((.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 12:15:12,395 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2020-09-21 12:15:12,396 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (let ((.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 12:15:12,396 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2020-09-21 12:15:12,396 INFO L264 CegarLoopResult]: At program point L358(lines 358 364) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2))))) [2020-09-21 12:15:12,396 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:15:12,396 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:15:12,396 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 12:15:12,396 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:15:12,396 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 12:15:12,397 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:15:12,397 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 12:15:12,397 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 12:15:12,397 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:15:12,397 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:15:12,397 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 223 231) no Hoare annotation was computed. [2020-09-21 12:15:12,397 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 223 231) no Hoare annotation was computed. [2020-09-21 12:15:12,398 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 223 231) no Hoare annotation was computed. [2020-09-21 12:15:12,398 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 187 198) the Hoare annotation is: true [2020-09-21 12:15:12,398 INFO L268 CegarLoopResult]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2020-09-21 12:15:12,398 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 187 198) no Hoare annotation was computed. [2020-09-21 12:15:12,398 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:15:12,398 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:15:12,398 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:15:12,398 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:15:12,399 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:15:12,399 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:15:12,399 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 199 210) no Hoare annotation was computed. [2020-09-21 12:15:12,399 INFO L268 CegarLoopResult]: For program point L203-1(lines 199 210) no Hoare annotation was computed. [2020-09-21 12:15:12,399 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 199 210) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~pumpRunning~0))) (.cse1 (not (<= ~pumpRunning~0 0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 12:15:12,399 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2020-09-21 12:15:12,400 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-09-21 12:15:12,400 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2020-09-21 12:15:12,400 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2020-09-21 12:15:12,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:15:12 BoogieIcfgContainer [2020-09-21 12:15:12,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:15:12,422 INFO L168 Benchmark]: Toolchain (without parser) took 50777.77 ms. Allocated memory was 141.0 MB in the beginning and 708.8 MB in the end (delta: 567.8 MB). Free memory was 103.2 MB in the beginning and 605.2 MB in the end (delta: -502.0 MB). Peak memory consumption was 556.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:12,423 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:15:12,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.58 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 174.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:12,424 INFO L168 Benchmark]: Boogie Preprocessor took 126.47 ms. Allocated memory is still 205.0 MB. Free memory was 174.2 MB in the beginning and 170.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:12,425 INFO L168 Benchmark]: RCFGBuilder took 1193.40 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 169.6 MB in the beginning and 195.7 MB in the end (delta: -26.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:12,426 INFO L168 Benchmark]: TraceAbstraction took 48680.55 ms. Allocated memory was 234.4 MB in the beginning and 708.8 MB in the end (delta: 474.5 MB). Free memory was 194.3 MB in the beginning and 605.2 MB in the end (delta: -410.9 MB). Peak memory consumption was 554.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:15:12,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.58 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 174.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.47 ms. Allocated memory is still 205.0 MB. Free memory was 174.2 MB in the beginning and 170.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.40 ms. Allocated memory was 205.0 MB in the beginning and 234.4 MB in the end (delta: 29.4 MB). Free memory was 169.6 MB in the beginning and 195.7 MB in the end (delta: -26.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48680.55 ms. Allocated memory was 234.4 MB in the beginning and 708.8 MB in the end (delta: 474.5 MB). Free memory was 194.3 MB in the beginning and 605.2 MB in the end (delta: -410.9 MB). Peak memory consumption was 554.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || (((2 == waterLevel && splverifierCounter <= 0) && 0 <= pumpRunning) && pumpRunning <= 0)) || !(\old(waterLevel) == 1)) || (((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && 0 <= pumpRunning) && pumpRunning <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(\old(waterLevel) == 1)) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 629 SDtfs, 1131 SDslu, 538 SDs, 0 SdLazy, 2436 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 109 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=587occurred in iteration=5, 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, 6 MinimizatonAttempts, 299 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 579 PreInvPairs, 616 NumberOfFragments, 1175 HoareAnnotationTreeSize, 579 FomulaSimplifications, 83822 FormulaSimplificationTreeSizeReduction, 13.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 12532 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 323 NumberOfCodeBlocks, 323 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 90424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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...