/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:46:26,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 21:46:26,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 21:46:26,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 21:46:26,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 21:46:26,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 21:46:26,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 21:46:26,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 21:46:26,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 21:46:26,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 21:46:26,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 21:46:26,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 21:46:26,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:46:26,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:46:26,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:46:26,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:46:26,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:46:26,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:46:26,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:46:26,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:46:26,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:46:26,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:46:26,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:46:26,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:46:26,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 21:46:26,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 21:46:26,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 21:46:26,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 21:46:26,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 21:46:26,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 21:46:26,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 21:46:26,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 21:46:26,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 21:46:26,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 21:46:26,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 21:46:26,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 21:46:26,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 21:46:26,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 21:46:26,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:46:26,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:46:26,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:46:26,712 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 [2020-08-18 21:46:26,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:46:26,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:46:26,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:46:26,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:46:26,751 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:46:26,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:46:26,751 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:46:26,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:46:26,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:46:26,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:46:26,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:46:26,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:46:26,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:46:26,754 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:46:26,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:46:26,754 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:46:26,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:46:26,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:46:26,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:46:26,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:46:26,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:46:26,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:46:26,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:46:26,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:46:26,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:46:26,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:46:26,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:46:26,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:46:26,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:46:26,757 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 -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; [2020-08-18 21:46:27,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:46:27,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:46:27,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:46:27,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:46:27,111 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:46:27,112 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2020-08-18 21:46:27,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7392fcb3/0f12f5705dcb4e0a841a70b113e2ae6c/FLAGbe6f8ddfa [2020-08-18 21:46:27,739 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:46:27,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2020-08-18 21:46:27,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7392fcb3/0f12f5705dcb4e0a841a70b113e2ae6c/FLAGbe6f8ddfa [2020-08-18 21:46:28,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7392fcb3/0f12f5705dcb4e0a841a70b113e2ae6c [2020-08-18 21:46:28,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:46:28,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:46:28,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:46:28,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:46:28,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:46:28,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43518757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28, skipping insertion in model container [2020-08-18 21:46:28,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:46:28,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:46:28,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:46:28,611 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:46:28,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:46:28,740 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:46:28,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28 WrapperNode [2020-08-18 21:46:28,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:46:28,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:46:28,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:46:28,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:46:28,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (1/1) ... [2020-08-18 21:46:28,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:46:28,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:46:28,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:46:28,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:46:28,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:46:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:46:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:46:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 21:46:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 21:46:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 21:46:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 21:46:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 21:46:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 21:46:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 21:46:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 21:46:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 21:46:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 21:46:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 21:46:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 21:46:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 21:46:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 21:46:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 21:46:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 21:46:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 21:46:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 21:46:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 21:46:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 21:46:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 21:46:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 21:46:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 21:46:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 21:46:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 21:46:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 21:46:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 21:46:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 21:46:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 21:46:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 21:46:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 21:46:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 21:46:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 21:46:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 21:46:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 21:46:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:46:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:46:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:46:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 21:46:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 21:46:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 21:46:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 21:46:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 21:46:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 21:46:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 21:46:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 21:46:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 21:46:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 21:46:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 21:46:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 21:46:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 21:46:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 21:46:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 21:46:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 21:46:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 21:46:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 21:46:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 21:46:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 21:46:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 21:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 21:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 21:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 21:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 21:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 21:46:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 21:46:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 21:46:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 21:46:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:46:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:46:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 21:46:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:46:30,039 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:46:30,039 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 21:46:30,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:46:30 BoogieIcfgContainer [2020-08-18 21:46:30,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:46:30,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:46:30,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:46:30,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:46:30,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:46:28" (1/3) ... [2020-08-18 21:46:30,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6942c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:46:30, skipping insertion in model container [2020-08-18 21:46:30,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:46:28" (2/3) ... [2020-08-18 21:46:30,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6942c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:46:30, skipping insertion in model container [2020-08-18 21:46:30,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:46:30" (3/3) ... [2020-08-18 21:46:30,052 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2020-08-18 21:46:30,063 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:46:30,071 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:46:30,086 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:46:30,111 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:46:30,111 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:46:30,111 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:46:30,111 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:46:30,111 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:46:30,112 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:46:30,112 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:46:30,112 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:46:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-08-18 21:46:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 21:46:30,143 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:30,144 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] [2020-08-18 21:46:30,145 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:30,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:30,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1693195754, now seen corresponding path program 1 times [2020-08-18 21:46:30,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:30,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245943620] [2020-08-18 21:46:30,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:30,884 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:30,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:30,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:31,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:31,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:46:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:31,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:46:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:31,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245943620] [2020-08-18 21:46:31,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:31,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 21:46:31,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949181227] [2020-08-18 21:46:31,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 21:46:31,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:31,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 21:46:31,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 21:46:31,075 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 3 states. [2020-08-18 21:46:32,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:32,115 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2020-08-18 21:46:32,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 21:46:32,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 21:46:32,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:32,135 INFO L225 Difference]: With dead ends: 247 [2020-08-18 21:46:32,135 INFO L226 Difference]: Without dead ends: 134 [2020-08-18 21:46:32,140 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 [2020-08-18 21:46:32,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-08-18 21:46:32,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-08-18 21:46:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-18 21:46:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-08-18 21:46:32,253 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-08-18 21:46:32,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:32,254 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-08-18 21:46:32,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 21:46:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-08-18 21:46:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 21:46:32,259 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:32,259 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] [2020-08-18 21:46:32,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:46:32,260 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:32,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:32,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1772398770, now seen corresponding path program 1 times [2020-08-18 21:46:32,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:32,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937896775] [2020-08-18 21:46:32,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:32,639 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:32,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:32,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:32,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:32,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:32,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:32,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 21:46:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:32,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 21:46:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:32,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937896775] [2020-08-18 21:46:32,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:32,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 21:46:32,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148491157] [2020-08-18 21:46:32,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 21:46:32,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:32,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 21:46:32,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 21:46:32,718 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2020-08-18 21:46:33,123 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:46:33,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:33,726 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2020-08-18 21:46:33,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:46:33,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 21:46:33,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:33,729 INFO L225 Difference]: With dead ends: 180 [2020-08-18 21:46:33,729 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 21:46:33,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:46:33,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 21:46:33,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-08-18 21:46:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-18 21:46:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2020-08-18 21:46:33,761 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2020-08-18 21:46:33,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:33,762 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2020-08-18 21:46:33,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 21:46:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2020-08-18 21:46:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 21:46:33,764 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:33,764 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] [2020-08-18 21:46:33,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:46:33,765 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:33,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:33,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1028244918, now seen corresponding path program 1 times [2020-08-18 21:46:33,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:33,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475809966] [2020-08-18 21:46:33,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:34,069 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:34,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:34,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:34,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:34,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:34,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:34,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:46:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 21:46:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:34,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475809966] [2020-08-18 21:46:34,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:34,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:46:34,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294081567] [2020-08-18 21:46:34,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:46:34,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:34,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:46:34,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:46:34,206 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 8 states. [2020-08-18 21:46:34,585 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:34,899 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:35,144 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:35,392 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:36,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:36,259 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2020-08-18 21:46:36,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:46:36,260 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 21:46:36,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:36,262 INFO L225 Difference]: With dead ends: 189 [2020-08-18 21:46:36,262 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 21:46:36,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:46:36,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 21:46:36,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2020-08-18 21:46:36,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-18 21:46:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-08-18 21:46:36,318 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2020-08-18 21:46:36,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:36,318 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-08-18 21:46:36,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:46:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-08-18 21:46:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 21:46:36,330 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:36,330 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] [2020-08-18 21:46:36,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:46:36,331 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:36,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:36,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1294561485, now seen corresponding path program 1 times [2020-08-18 21:46:36,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:36,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570790120] [2020-08-18 21:46:36,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,663 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:36,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 21:46:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 21:46:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 21:46:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:36,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570790120] [2020-08-18 21:46:36,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:36,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 21:46:36,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060293941] [2020-08-18 21:46:36,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 21:46:36,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:36,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 21:46:36,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:46:36,772 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 12 states. [2020-08-18 21:46:37,240 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:37,593 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:37,853 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:38,095 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:38,653 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:46:39,386 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:39,704 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:46:40,005 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:46:40,247 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 21:46:40,489 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:40,786 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:46:41,111 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 21:46:41,381 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:46:42,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:42,345 INFO L93 Difference]: Finished difference Result 360 states and 482 transitions. [2020-08-18 21:46:42,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 21:46:42,346 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2020-08-18 21:46:42,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:42,350 INFO L225 Difference]: With dead ends: 360 [2020-08-18 21:46:42,350 INFO L226 Difference]: Without dead ends: 289 [2020-08-18 21:46:42,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 21:46:42,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-08-18 21:46:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 224. [2020-08-18 21:46:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-08-18 21:46:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 265 transitions. [2020-08-18 21:46:42,422 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 265 transitions. Word has length 59 [2020-08-18 21:46:42,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:42,423 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 265 transitions. [2020-08-18 21:46:42,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 21:46:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 265 transitions. [2020-08-18 21:46:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-08-18 21:46:42,425 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:42,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:46:42,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:46:42,426 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:42,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:42,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1693659129, now seen corresponding path program 1 times [2020-08-18 21:46:42,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:42,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250845067] [2020-08-18 21:46:42,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,711 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:42,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 21:46:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:46:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 21:46:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 21:46:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-18 21:46:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:46:42,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250845067] [2020-08-18 21:46:42,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:46:42,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 21:46:42,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511168888] [2020-08-18 21:46:42,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 21:46:42,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:42,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 21:46:42,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 21:46:42,792 INFO L87 Difference]: Start difference. First operand 224 states and 265 transitions. Second operand 6 states. [2020-08-18 21:46:43,133 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:43,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:43,626 INFO L93 Difference]: Finished difference Result 363 states and 446 transitions. [2020-08-18 21:46:43,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 21:46:43,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2020-08-18 21:46:43,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:43,630 INFO L225 Difference]: With dead ends: 363 [2020-08-18 21:46:43,630 INFO L226 Difference]: Without dead ends: 163 [2020-08-18 21:46:43,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:46:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-08-18 21:46:43,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 151. [2020-08-18 21:46:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-08-18 21:46:43,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2020-08-18 21:46:43,668 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 67 [2020-08-18 21:46:43,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:43,669 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2020-08-18 21:46:43,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 21:46:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2020-08-18 21:46:43,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-08-18 21:46:43,670 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:46:43,671 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:46:43,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:46:43,671 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:46:43,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:46:43,671 INFO L82 PathProgramCache]: Analyzing trace with hash -562526623, now seen corresponding path program 1 times [2020-08-18 21:46:43,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:46:43,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338192691] [2020-08-18 21:46:43,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:46:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:43,944 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:43,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:46:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:46:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:46:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:43,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:46:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:46:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 21:46:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 21:46:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-18 21:46:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 21:46:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-18 21:46:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-18 21:46:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:46:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-18 21:46:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-18 21:46:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:46:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-18 21:46:44,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338192691] [2020-08-18 21:46:44,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 21:46:44,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 21:46:44,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527376684] [2020-08-18 21:46:44,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 21:46:44,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:46:44,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 21:46:44,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-18 21:46:44,144 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand 10 states. [2020-08-18 21:46:44,842 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 21:46:45,382 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:46:45,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:46:45,914 INFO L93 Difference]: Finished difference Result 203 states and 234 transitions. [2020-08-18 21:46:45,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 21:46:45,915 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-08-18 21:46:45,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:46:45,916 INFO L225 Difference]: With dead ends: 203 [2020-08-18 21:46:45,916 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:46:45,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:46:45,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:46:45,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:46:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:46:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:46:45,919 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2020-08-18 21:46:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:46:45,919 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:46:45,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 21:46:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:46:45,919 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:46:45,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 21:46:45,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:46:46,611 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-18 21:46:46,721 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-08-18 21:46:47,829 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-08-18 21:46:48,562 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 21:46:49,177 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 21:46:49,500 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 21:46:49,834 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 21:46:50,170 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 21:46:50,335 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 21:46:50,600 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-18 21:46:50,773 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-18 21:46:51,363 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-18 21:46:51,562 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:46:52,130 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-08-18 21:46:52,300 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 21:46:52,953 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-18 21:46:53,396 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 21:46:53,751 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-18 21:46:54,342 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-08-18 21:46:54,518 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 21:46:54,977 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 21:46:55,326 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 21:46:55,514 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-18 21:46:55,859 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 21:46:56,209 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-18 21:46:56,417 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 21:46:56,714 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-18 21:46:56,814 INFO L268 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-08-18 21:46:56,814 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 538) no Hoare annotation was computed. [2020-08-18 21:46:56,814 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 503 558) no Hoare annotation was computed. [2020-08-18 21:46:56,814 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-18 21:46:56,815 INFO L268 CegarLoopResult]: For program point L528-2(lines 528 549) no Hoare annotation was computed. [2020-08-18 21:46:56,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 503 558) no Hoare annotation was computed. [2020-08-18 21:46:56,815 INFO L268 CegarLoopResult]: For program point L550(lines 527 551) no Hoare annotation was computed. [2020-08-18 21:46:56,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 503 558) no Hoare annotation was computed. [2020-08-18 21:46:56,815 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-08-18 21:46:56,815 INFO L268 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-08-18 21:46:56,816 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 559 618) no Hoare annotation was computed. [2020-08-18 21:46:56,816 INFO L268 CegarLoopResult]: For program point L591(lines 591 595) no Hoare annotation was computed. [2020-08-18 21:46:56,816 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 559 618) no Hoare annotation was computed. [2020-08-18 21:46:56,816 INFO L268 CegarLoopResult]: For program point L591-1(lines 591 595) no Hoare annotation was computed. [2020-08-18 21:46:56,816 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-18 21:46:56,816 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 559 618) no Hoare annotation was computed. [2020-08-18 21:46:56,816 INFO L268 CegarLoopResult]: For program point L585-2(lines 585 610) no Hoare annotation was computed. [2020-08-18 21:46:56,816 INFO L268 CegarLoopResult]: For program point L611(lines 584 612) no Hoare annotation was computed. [2020-08-18 21:46:56,817 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2020-08-18 21:46:56,817 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2020-08-18 21:46:56,817 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2020-08-18 21:46:56,817 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2020-08-18 21:46:56,817 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 325 333) no Hoare annotation was computed. [2020-08-18 21:46:56,817 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2020-08-18 21:46:56,817 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:56,817 INFO L268 CegarLoopResult]: For program point L348(lines 348 354) no Hoare annotation was computed. [2020-08-18 21:46:56,817 INFO L264 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:56,818 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-08-18 21:46:56,818 INFO L268 CegarLoopResult]: For program point L344(lines 344 357) no Hoare annotation was computed. [2020-08-18 21:46:56,818 INFO L268 CegarLoopResult]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2020-08-18 21:46:56,818 INFO L271 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: true [2020-08-18 21:46:56,818 INFO L268 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-08-18 21:46:56,818 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2020-08-18 21:46:56,818 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-08-18 21:46:56,818 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 21:46:56,819 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 21:46:56,819 INFO L264 CegarLoopResult]: At program point L895-1(line 895) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 21:46:56,819 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 889 911) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 21:46:56,819 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 889 911) no Hoare annotation was computed. [2020-08-18 21:46:56,819 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 889 911) no Hoare annotation was computed. [2020-08-18 21:46:56,819 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 21:46:56,820 INFO L264 CegarLoopResult]: At program point L901-1(line 901) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 21:46:56,820 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-08-18 21:46:56,820 INFO L268 CegarLoopResult]: For program point L899-1(lines 899 906) no Hoare annotation was computed. [2020-08-18 21:46:56,820 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-08-18 21:46:56,820 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-18 21:46:56,820 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 848 871) no Hoare annotation was computed. [2020-08-18 21:46:56,820 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-08-18 21:46:56,821 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-08-18 21:46:56,821 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-08-18 21:46:56,821 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 848 871) no Hoare annotation was computed. [2020-08-18 21:46:56,821 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-08-18 21:46:56,821 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 848 871) no Hoare annotation was computed. [2020-08-18 21:46:56,821 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-08-18 21:46:56,821 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-08-18 21:46:56,821 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 232 240) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 232 240) the Hoare annotation is: true [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 232 240) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-08-18 21:46:56,822 INFO L271 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: true [2020-08-18 21:46:56,822 INFO L268 CegarLoopResult]: For program point L286-2(lines 286 290) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 277 295) the Hoare annotation is: true [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 277 295) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 277 295) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 241 276) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-08-18 21:46:56,823 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 241 276) no Hoare annotation was computed. [2020-08-18 21:46:56,824 INFO L268 CegarLoopResult]: For program point L260(lines 260 268) no Hoare annotation was computed. [2020-08-18 21:46:56,824 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 241 276) no Hoare annotation was computed. [2020-08-18 21:46:56,824 INFO L268 CegarLoopResult]: For program point L260-2(lines 260 268) no Hoare annotation was computed. [2020-08-18 21:46:56,824 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2020-08-18 21:46:56,824 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2020-08-18 21:46:56,824 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 457 502) no Hoare annotation was computed. [2020-08-18 21:46:56,824 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 457 502) no Hoare annotation was computed. [2020-08-18 21:46:56,824 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 457 502) no Hoare annotation was computed. [2020-08-18 21:46:56,825 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 770 815) no Hoare annotation was computed. [2020-08-18 21:46:56,825 INFO L268 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-08-18 21:46:56,825 INFO L268 CegarLoopResult]: For program point L784(lines 784 804) no Hoare annotation was computed. [2020-08-18 21:46:56,825 INFO L268 CegarLoopResult]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2020-08-18 21:46:56,825 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 770 815) no Hoare annotation was computed. [2020-08-18 21:46:56,825 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 770 815) no Hoare annotation was computed. [2020-08-18 21:46:56,825 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 879 888) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 21:46:56,826 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 879 888) no Hoare annotation was computed. [2020-08-18 21:46:56,826 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 879 888) no Hoare annotation was computed. [2020-08-18 21:46:56,826 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-08-18 21:46:56,826 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 221 231) no Hoare annotation was computed. [2020-08-18 21:46:56,826 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 221 231) no Hoare annotation was computed. [2020-08-18 21:46:56,826 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 221 231) no Hoare annotation was computed. [2020-08-18 21:46:56,826 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-08-18 21:46:56,826 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 213 220) the Hoare annotation is: true [2020-08-18 21:46:56,827 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 213 220) no Hoare annotation was computed. [2020-08-18 21:46:56,827 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 213 220) no Hoare annotation was computed. [2020-08-18 21:46:56,827 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 162 186) no Hoare annotation was computed. [2020-08-18 21:46:56,827 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 21:46:56,827 INFO L268 CegarLoopResult]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2020-08-18 21:46:56,827 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 162 186) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 21:46:56,828 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:56,828 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:56,828 INFO L268 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-08-18 21:46:56,828 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 21:46:56,828 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-08-18 21:46:56,828 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-08-18 21:46:56,828 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 154 160) no Hoare annotation was computed. [2020-08-18 21:46:56,829 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 154 160) the Hoare annotation is: true [2020-08-18 21:46:56,829 INFO L264 CegarLoopResult]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 21:46:56,829 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-08-18 21:46:56,829 INFO L264 CegarLoopResult]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 21:46:56,829 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-08-18 21:46:56,829 INFO L268 CegarLoopResult]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2020-08-18 21:46:56,829 INFO L264 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 21:46:56,830 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-18 21:46:56,830 INFO L268 CegarLoopResult]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2020-08-18 21:46:56,830 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 21:46:56,830 INFO L264 CegarLoopResult]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 21:46:56,830 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-08-18 21:46:56,830 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2020-08-18 21:46:56,830 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-08-18 21:46:56,831 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:46:56,831 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-08-18 21:46:56,831 INFO L268 CegarLoopResult]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2020-08-18 21:46:56,831 INFO L268 CegarLoopResult]: For program point L738-1(lines 738 758) no Hoare annotation was computed. [2020-08-18 21:46:56,831 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 724 769) no Hoare annotation was computed. [2020-08-18 21:46:56,831 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 724 769) no Hoare annotation was computed. [2020-08-18 21:46:56,831 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 724 769) no Hoare annotation was computed. [2020-08-18 21:46:56,831 INFO L268 CegarLoopResult]: For program point L744(lines 744 751) no Hoare annotation was computed. [2020-08-18 21:46:56,831 INFO L268 CegarLoopResult]: For program point L738(lines 738 758) no Hoare annotation was computed. [2020-08-18 21:46:56,832 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 187 194) no Hoare annotation was computed. [2020-08-18 21:46:56,832 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 187 194) no Hoare annotation was computed. [2020-08-18 21:46:56,832 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 187 194) no Hoare annotation was computed. [2020-08-18 21:46:56,832 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 441 449) no Hoare annotation was computed. [2020-08-18 21:46:56,832 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 441 449) the Hoare annotation is: true [2020-08-18 21:46:56,832 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 441 449) no Hoare annotation was computed. [2020-08-18 21:46:56,832 INFO L268 CegarLoopResult]: For program point L417(lines 417 425) no Hoare annotation was computed. [2020-08-18 21:46:56,832 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2020-08-18 21:46:56,833 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2020-08-18 21:46:56,833 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2020-08-18 21:46:56,833 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2020-08-18 21:46:56,833 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 301 310) no Hoare annotation was computed. [2020-08-18 21:46:56,833 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 301 310) no Hoare annotation was computed. [2020-08-18 21:46:56,833 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 301 310) no Hoare annotation was computed. [2020-08-18 21:46:56,833 INFO L268 CegarLoopResult]: For program point L671(lines 670 690) no Hoare annotation was computed. [2020-08-18 21:46:56,833 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 621 723) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point L667(lines 667 708) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 621 723) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point L645(lines 645 649) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point L709(lines 709 720) no Hoare annotation was computed. [2020-08-18 21:46:56,834 INFO L268 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-08-18 21:46:56,835 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 690) no Hoare annotation was computed. [2020-08-18 21:46:56,835 INFO L268 CegarLoopResult]: For program point L691(lines 669 692) no Hoare annotation was computed. [2020-08-18 21:46:56,835 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 621 723) no Hoare annotation was computed. [2020-08-18 21:46:56,835 INFO L268 CegarLoopResult]: For program point L650(lines 650 666) no Hoare annotation was computed. [2020-08-18 21:46:56,835 INFO L268 CegarLoopResult]: For program point L710(lines 710 717) no Hoare annotation was computed. [2020-08-18 21:46:56,835 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:46:56,836 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)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.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~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 21:46:56,836 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:46:56,836 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-08-18 21:46:56,836 INFO L268 CegarLoopResult]: For program point L207-1(lines 196 212) no Hoare annotation was computed. [2020-08-18 21:46:56,836 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 196 212) no Hoare annotation was computed. [2020-08-18 21:46:56,836 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-08-18 21:46:56,836 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-08-18 21:46:56,836 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 196 212) no Hoare annotation was computed. [2020-08-18 21:46:56,837 INFO L268 CegarLoopResult]: For program point L201-1(line 201) no Hoare annotation was computed. [2020-08-18 21:46:56,837 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2020-08-18 21:46:56,837 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2020-08-18 21:46:56,837 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2020-08-18 21:46:56,837 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 21:46:56,837 INFO L268 CegarLoopResult]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2020-08-18 21:46:56,837 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2020-08-18 21:46:56,838 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:46:56,838 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 21:46:56,838 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:46:56,838 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 130 153) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 21:46:56,838 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 21:46:56,838 INFO L264 CegarLoopResult]: At program point L141(lines 141 147) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 21:46:56,838 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 130 153) no Hoare annotation was computed. [2020-08-18 21:46:56,839 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 21:46:56,839 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 130 153) no Hoare annotation was computed. [2020-08-18 21:46:56,839 INFO L268 CegarLoopResult]: For program point L134(lines 133 152) no Hoare annotation was computed. [2020-08-18 21:46:56,839 INFO L268 CegarLoopResult]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-08-18 21:46:56,839 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 818 847) no Hoare annotation was computed. [2020-08-18 21:46:56,839 INFO L271 CegarLoopResult]: At program point L832-1(lines 832 836) the Hoare annotation is: true [2020-08-18 21:46:56,839 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-08-18 21:46:56,839 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 818 847) the Hoare annotation is: true [2020-08-18 21:46:56,840 INFO L271 CegarLoopResult]: At program point L828-2(lines 828 842) the Hoare annotation is: true [2020-08-18 21:46:56,840 INFO L271 CegarLoopResult]: At program point L824(line 824) the Hoare annotation is: true [2020-08-18 21:46:56,840 INFO L268 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-08-18 21:46:56,840 INFO L271 CegarLoopResult]: At program point L843(lines 818 847) the Hoare annotation is: true [2020-08-18 21:46:56,840 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-08-18 21:46:56,840 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 400 408) no Hoare annotation was computed. [2020-08-18 21:46:56,840 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2020-08-18 21:46:56,841 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2020-08-18 21:46:56,841 INFO L268 CegarLoopResult]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2020-08-18 21:46:56,841 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: true [2020-08-18 21:46:56,841 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2020-08-18 21:46:56,841 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 872 878) no Hoare annotation was computed. [2020-08-18 21:46:56,841 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 872 878) the Hoare annotation is: true [2020-08-18 21:46:56,841 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:46:56,841 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 21:46:56,842 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:46:56,842 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:46:56,842 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2020-08-18 21:46:56,842 INFO L268 CegarLoopResult]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2020-08-18 21:46:56,842 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-18 21:46:56,842 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-18 21:46:56,843 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-18 21:46:56,843 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-18 21:46:56,843 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-18 21:46:56,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:46:56 BoogieIcfgContainer [2020-08-18 21:46:56,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:46:56,863 INFO L168 Benchmark]: Toolchain (without parser) took 28795.91 ms. Allocated memory was 141.0 MB in the beginning and 636.0 MB in the end (delta: 494.9 MB). Free memory was 102.9 MB in the beginning and 185.9 MB in the end (delta: -83.0 MB). Peak memory consumption was 492.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:56,863 INFO L168 Benchmark]: CDTParser took 0.17 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. [2020-08-18 21:46:56,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.60 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.7 MB in the beginning and 171.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:56,865 INFO L168 Benchmark]: Boogie Preprocessor took 108.83 ms. Allocated memory is still 203.9 MB. Free memory was 171.2 MB in the beginning and 166.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:56,866 INFO L168 Benchmark]: RCFGBuilder took 1193.64 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.6 MB in the beginning and 195.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:56,867 INFO L168 Benchmark]: TraceAbstraction took 26815.14 ms. Allocated memory was 235.4 MB in the beginning and 636.0 MB in the end (delta: 400.6 MB). Free memory was 195.1 MB in the beginning and 185.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 489.7 MB. Max. memory is 7.1 GB. [2020-08-18 21:46:56,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 673.60 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 102.7 MB in the beginning and 171.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.83 ms. Allocated memory is still 203.9 MB. Free memory was 171.2 MB in the beginning and 166.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.64 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.6 MB in the beginning and 195.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26815.14 ms. Allocated memory was 235.4 MB in the beginning and 636.0 MB in the end (delta: 400.6 MB). Free memory was 195.1 MB in the beginning and 185.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 489.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 501 SDtfs, 1056 SDslu, 355 SDs, 0 SdLazy, 2181 SolverSat, 657 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 294 PreInvPairs, 314 NumberOfFragments, 967 HoareAnnotationTreeSize, 294 FomulaSimplifications, 39714 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 10662 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 111316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 24/31 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...