/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:27:56,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:27:56,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:27:56,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:27:56,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:27:56,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:27:56,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:27:56,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:27:56,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:27:56,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:27:56,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:27:56,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:27:56,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:27:56,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:27:56,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:27:56,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:27:56,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:27:56,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:27:56,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:27:56,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:27:56,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:27:56,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:27:56,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:27:56,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:27:56,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:27:56,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:27:56,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:27:56,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:27:56,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:27:56,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 00:27:56,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 00:27:56,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 00:27:56,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 00:27:56,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 00:27:56,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 00:27:56,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 00:27:56,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 00:27:56,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 00:27:56,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:27:56,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:27:56,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:27:56,159 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 [2020-08-22 00:27:56,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:27:56,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:27:56,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:27:56,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:27:56,185 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:27:56,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:27:56,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:27:56,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:27:56,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:27:56,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:27:56,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:27:56,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:27:56,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:27:56,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:27:56,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:27:56,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:27:56,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:27:56,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:27:56,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:27:56,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:27:56,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:27:56,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:27:56,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:27:56,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:27:56,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:27:56,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:27:56,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:27:56,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:27:56,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:27:56,190 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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:27:56,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:27:56,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:27:56,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:27:56,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:27:56,505 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:27:56,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-08-22 00:27:56,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c8439fd1/4479bfdb088444338d03b05664b07bb9/FLAG55fe98a42 [2020-08-22 00:27:57,094 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:27:57,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-08-22 00:27:57,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c8439fd1/4479bfdb088444338d03b05664b07bb9/FLAG55fe98a42 [2020-08-22 00:27:57,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5c8439fd1/4479bfdb088444338d03b05664b07bb9 [2020-08-22 00:27:57,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:27:57,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:27:57,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:27:57,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:27:57,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:27:57,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:27:57" (1/1) ... [2020-08-22 00:27:57,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:57, skipping insertion in model container [2020-08-22 00:27:57,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:27:57" (1/1) ... [2020-08-22 00:27:57,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:27:57,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:27:57,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:27:57,844 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:27:58,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:27:58,085 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:27:58,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58 WrapperNode [2020-08-22 00:27:58,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:27:58,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:27:58,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:27:58,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:27:58,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (1/1) ... [2020-08-22 00:27:58,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (1/1) ... [2020-08-22 00:27:58,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (1/1) ... [2020-08-22 00:27:58,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (1/1) ... [2020-08-22 00:27:58,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (1/1) ... [2020-08-22 00:27:58,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (1/1) ... [2020-08-22 00:27:58,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (1/1) ... [2020-08-22 00:27:58,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:27:58,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:27:58,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:27:58,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:27:58,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (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 [2020-08-22 00:27:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:27:58,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:27:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 00:27:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 00:27:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 00:27:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 00:27:58,240 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 00:27:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:27:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 00:27:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 00:27:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 00:27:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 00:27:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 00:27:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 00:27:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 00:27:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 00:27:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 00:27:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 00:27:58,242 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 00:27:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 00:27:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 00:27:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 00:27:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 00:27:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 00:27:58,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 00:27:58,244 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 00:27:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 00:27:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 00:27:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 00:27:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 00:27:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 00:27:58,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 00:27:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 00:27:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-22 00:27:58,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 00:27:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:27:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:27:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 00:27:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 00:27:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 00:27:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 00:27:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 00:27:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 00:27:58,247 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 00:27:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 00:27:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 00:27:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 00:27:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 00:27:58,248 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 00:27:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 00:27:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:27:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 00:27:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 00:27:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 00:27:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 00:27:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 00:27:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 00:27:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 00:27:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 00:27:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 00:27:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 00:27:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 00:27:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 00:27:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 00:27:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 00:27:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 00:27:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 00:27:58,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 00:27:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 00:27:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 00:27:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 00:27:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 00:27:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 00:27:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 00:27:58,252 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 00:27:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 00:27:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 00:27:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 00:27:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-22 00:27:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 00:27:58,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 00:27:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 00:27:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 00:27:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 00:27:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 00:27:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 00:27:58,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:27:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 00:27:58,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:27:59,335 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:27:59,335 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 00:27:59,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:27:59 BoogieIcfgContainer [2020-08-22 00:27:59,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:27:59,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:27:59,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:27:59,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:27:59,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:27:57" (1/3) ... [2020-08-22 00:27:59,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41accc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:27:59, skipping insertion in model container [2020-08-22 00:27:59,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:58" (2/3) ... [2020-08-22 00:27:59,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41accc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:27:59, skipping insertion in model container [2020-08-22 00:27:59,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:27:59" (3/3) ... [2020-08-22 00:27:59,356 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2020-08-22 00:27:59,368 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:27:59,377 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:27:59,389 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:27:59,413 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:27:59,414 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:27:59,414 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:27:59,414 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:27:59,414 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:27:59,414 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:27:59,414 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:27:59,415 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:27:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-08-22 00:27:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 00:27:59,449 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:59,450 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] [2020-08-22 00:27:59,451 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:59,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:59,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1860559375, now seen corresponding path program 1 times [2020-08-22 00:27:59,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:59,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12235302] [2020-08-22 00:27:59,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:00,203 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:28:00,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:28:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:00,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:28:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:00,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:28:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:28:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:00,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:28:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:00,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 00:28:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:00,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:28:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:28:00,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12235302] [2020-08-22 00:28:00,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:28:00,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 00:28:00,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984669763] [2020-08-22 00:28:00,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 00:28:00,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:28:00,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 00:28:00,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 00:28:00,337 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 3 states. [2020-08-22 00:28:01,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:28:01,517 INFO L93 Difference]: Finished difference Result 299 states and 393 transitions. [2020-08-22 00:28:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 00:28:01,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-22 00:28:01,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:28:01,534 INFO L225 Difference]: With dead ends: 299 [2020-08-22 00:28:01,535 INFO L226 Difference]: Without dead ends: 162 [2020-08-22 00:28:01,540 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 [2020-08-22 00:28:01,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-08-22 00:28:01,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 128. [2020-08-22 00:28:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-08-22 00:28:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-08-22 00:28:01,653 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2020-08-22 00:28:01,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:28:01,654 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-08-22 00:28:01,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 00:28:01,655 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-08-22 00:28:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-22 00:28:01,666 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:28:01,667 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] [2020-08-22 00:28:01,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:28:01,668 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:28:01,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:28:01,669 INFO L82 PathProgramCache]: Analyzing trace with hash 344709466, now seen corresponding path program 1 times [2020-08-22 00:28:01,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:28:01,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16867427] [2020-08-22 00:28:01,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:28:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:02,046 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:28:02,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:28:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:28:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:02,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:28:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:02,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:28:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:02,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:28:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:02,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 00:28:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 00:28:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:28:02,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16867427] [2020-08-22 00:28:02,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:28:02,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 00:28:02,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038362930] [2020-08-22 00:28:02,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 00:28:02,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:28:02,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 00:28:02,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 00:28:02,091 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 4 states. [2020-08-22 00:28:02,520 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:28:03,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:28:03,339 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2020-08-22 00:28:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:28:03,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-22 00:28:03,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:28:03,344 INFO L225 Difference]: With dead ends: 226 [2020-08-22 00:28:03,344 INFO L226 Difference]: Without dead ends: 146 [2020-08-22 00:28:03,346 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 [2020-08-22 00:28:03,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-08-22 00:28:03,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 119. [2020-08-22 00:28:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-22 00:28:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-22 00:28:03,384 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2020-08-22 00:28:03,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:28:03,385 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-22 00:28:03,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 00:28:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-22 00:28:03,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 00:28:03,387 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:28:03,387 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] [2020-08-22 00:28:03,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:28:03,387 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:28:03,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:28:03,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1335502603, now seen corresponding path program 1 times [2020-08-22 00:28:03,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:28:03,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389636505] [2020-08-22 00:28:03,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:28:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:03,720 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:28:03,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:28:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:03,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:28:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:03,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:28:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:03,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:28:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:03,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:28:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:03,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:28:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:03,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 00:28:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:03,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:28:03,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389636505] [2020-08-22 00:28:03,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:28:03,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 00:28:03,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274332685] [2020-08-22 00:28:03,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:28:03,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:28:03,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:28:03,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:28:03,793 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 8 states. [2020-08-22 00:28:04,103 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:28:04,407 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:28:04,675 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:28:04,909 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:28:05,660 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:28:07,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:28:07,343 INFO L93 Difference]: Finished difference Result 409 states and 509 transitions. [2020-08-22 00:28:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 00:28:07,344 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-22 00:28:07,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:28:07,349 INFO L225 Difference]: With dead ends: 409 [2020-08-22 00:28:07,349 INFO L226 Difference]: Without dead ends: 314 [2020-08-22 00:28:07,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-22 00:28:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-08-22 00:28:07,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 256. [2020-08-22 00:28:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-08-22 00:28:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2020-08-22 00:28:07,428 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2020-08-22 00:28:07,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:28:07,428 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2020-08-22 00:28:07,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:28:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2020-08-22 00:28:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 00:28:07,431 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:28:07,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:28:07,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 00:28:07,431 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:28:07,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:28:07,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1187986019, now seen corresponding path program 1 times [2020-08-22 00:28:07,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:28:07,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77970027] [2020-08-22 00:28:07,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:28:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,768 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:28:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:28:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:28:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:28:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:28:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:28:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 00:28:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 00:28:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 00:28:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:28:07,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77970027] [2020-08-22 00:28:07,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:28:07,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 00:28:07,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486866069] [2020-08-22 00:28:07,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 00:28:07,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:28:07,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 00:28:07,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:28:07,906 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 12 states. [2020-08-22 00:28:08,285 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:28:08,580 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:28:08,814 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:28:09,046 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:28:09,586 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:28:10,395 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:28:10,803 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:28:11,141 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:28:11,384 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:28:11,652 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:28:12,044 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:28:12,427 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:28:12,749 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:28:14,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:28:14,169 INFO L93 Difference]: Finished difference Result 1027 states and 1368 transitions. [2020-08-22 00:28:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 00:28:14,170 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-22 00:28:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:28:14,179 INFO L225 Difference]: With dead ends: 1027 [2020-08-22 00:28:14,179 INFO L226 Difference]: Without dead ends: 795 [2020-08-22 00:28:14,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-22 00:28:14,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2020-08-22 00:28:14,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 694. [2020-08-22 00:28:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-08-22 00:28:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 862 transitions. [2020-08-22 00:28:14,337 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 862 transitions. Word has length 57 [2020-08-22 00:28:14,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:28:14,338 INFO L479 AbstractCegarLoop]: Abstraction has 694 states and 862 transitions. [2020-08-22 00:28:14,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 00:28:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 862 transitions. [2020-08-22 00:28:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-22 00:28:14,341 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:28:14,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:28:14,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 00:28:14,342 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:28:14,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:28:14,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1722292439, now seen corresponding path program 1 times [2020-08-22 00:28:14,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:28:14,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184962192] [2020-08-22 00:28:14,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:28:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,613 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:28:14,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:28:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:28:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:28:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:28:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:28:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 00:28:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 00:28:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 00:28:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 00:28:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:28:14,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184962192] [2020-08-22 00:28:14,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:28:14,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 00:28:14,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107144081] [2020-08-22 00:28:14,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 00:28:14,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:28:14,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 00:28:14,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 00:28:14,692 INFO L87 Difference]: Start difference. First operand 694 states and 862 transitions. Second operand 6 states. [2020-08-22 00:28:15,007 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:28:15,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:28:15,843 INFO L93 Difference]: Finished difference Result 1115 states and 1437 transitions. [2020-08-22 00:28:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 00:28:15,848 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-22 00:28:15,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:28:15,853 INFO L225 Difference]: With dead ends: 1115 [2020-08-22 00:28:15,853 INFO L226 Difference]: Without dead ends: 445 [2020-08-22 00:28:15,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:28:15,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-08-22 00:28:15,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 420. [2020-08-22 00:28:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-08-22 00:28:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 479 transitions. [2020-08-22 00:28:15,936 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 479 transitions. Word has length 61 [2020-08-22 00:28:15,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:28:15,936 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 479 transitions. [2020-08-22 00:28:15,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 00:28:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 479 transitions. [2020-08-22 00:28:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-08-22 00:28:15,938 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:28:15,939 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:28:15,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 00:28:15,939 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:28:15,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:28:15,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1674870262, now seen corresponding path program 1 times [2020-08-22 00:28:15,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:28:15,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379567628] [2020-08-22 00:28:15,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:28:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,217 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:28:16,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:28:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:28:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:28:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:28:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:28:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 00:28:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:28:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 00:28:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:28:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:28:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 00:28:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 00:28:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 00:28:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:28:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 00:28:16,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379567628] [2020-08-22 00:28:16,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:28:16,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 00:28:16,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097500546] [2020-08-22 00:28:16,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:28:16,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:28:16,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:28:16,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:28:16,386 INFO L87 Difference]: Start difference. First operand 420 states and 479 transitions. Second operand 10 states. [2020-08-22 00:28:16,983 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-22 00:28:17,535 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:28:18,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:28:18,472 INFO L93 Difference]: Finished difference Result 562 states and 654 transitions. [2020-08-22 00:28:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 00:28:18,472 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-08-22 00:28:18,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:28:18,474 INFO L225 Difference]: With dead ends: 562 [2020-08-22 00:28:18,474 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 00:28:18,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-22 00:28:18,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 00:28:18,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 00:28:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 00:28:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 00:28:18,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-08-22 00:28:18,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:28:18,477 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 00:28:18,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:28:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 00:28:18,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 00:28:18,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 00:28:18,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 00:28:18,813 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 21 [2020-08-22 00:28:22,183 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 00:28:22,615 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:28:22,778 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-22 00:28:23,052 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 00:28:23,489 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:28:23,969 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-22 00:28:24,386 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-22 00:28:24,962 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 00:28:25,572 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-08-22 00:28:25,707 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 00:28:26,126 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-22 00:28:26,804 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-22 00:28:27,523 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2020-08-22 00:28:27,647 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-22 00:28:28,230 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 00:28:28,880 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-22 00:28:29,312 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:28:29,784 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:28:30,273 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:28:30,743 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:28:31,270 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-22 00:28:31,415 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-22 00:28:31,886 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-22 00:28:32,316 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:28:32,321 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-08-22 00:28:32,321 INFO L268 CegarLoopResult]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2020-08-22 00:28:32,321 INFO L268 CegarLoopResult]: For program point L278(lines 255 279) no Hoare annotation was computed. [2020-08-22 00:28:32,321 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2020-08-22 00:28:32,322 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2020-08-22 00:28:32,322 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-08-22 00:28:32,322 INFO L268 CegarLoopResult]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2020-08-22 00:28:32,322 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2020-08-22 00:28:32,322 INFO L268 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-08-22 00:28:32,322 INFO L268 CegarLoopResult]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2020-08-22 00:28:32,323 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-08-22 00:28:32,323 INFO L268 CegarLoopResult]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2020-08-22 00:28:32,323 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2020-08-22 00:28:32,323 INFO L268 CegarLoopResult]: For program point L339(lines 312 340) no Hoare annotation was computed. [2020-08-22 00:28:32,323 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2020-08-22 00:28:32,323 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-08-22 00:28:32,323 INFO L268 CegarLoopResult]: For program point L332-1(line 332) no Hoare annotation was computed. [2020-08-22 00:28:32,323 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2020-08-22 00:28:32,324 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-08-22 00:28:32,324 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-08-22 00:28:32,324 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-08-22 00:28:32,324 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-08-22 00:28:32,324 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-08-22 00:28:32,324 INFO L268 CegarLoopResult]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2020-08-22 00:28:32,324 INFO L271 CegarLoopResult]: At program point L928(line 928) the Hoare annotation is: true [2020-08-22 00:28:32,324 INFO L268 CegarLoopResult]: For program point L928-1(line 928) no Hoare annotation was computed. [2020-08-22 00:28:32,324 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2020-08-22 00:28:32,325 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2020-08-22 00:28:32,325 INFO L264 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 00:28:32,325 INFO L268 CegarLoopResult]: For program point L934(lines 934 940) no Hoare annotation was computed. [2020-08-22 00:28:32,325 INFO L264 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 00:28:32,325 INFO L268 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-08-22 00:28:32,326 INFO L268 CegarLoopResult]: For program point L930(lines 930 943) no Hoare annotation was computed. [2020-08-22 00:28:32,326 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-22 00:28:32,326 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-22 00:28:32,326 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,326 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,326 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,327 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,327 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-22 00:28:32,327 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-22 00:28:32,327 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,327 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 00:28:32,328 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-22 00:28:32,329 INFO L268 CegarLoopResult]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2020-08-22 00:28:32,329 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:32,330 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:32,330 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-08-22 00:28:32,330 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-22 00:28:32,330 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:32,330 INFO L268 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-08-22 00:28:32,330 INFO L268 CegarLoopResult]: For program point L750(lines 750 767) no Hoare annotation was computed. [2020-08-22 00:28:32,330 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2020-08-22 00:28:32,330 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2020-08-22 00:28:32,331 INFO L264 CegarLoopResult]: At program point L911(line 911) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-22 00:28:32,331 INFO L268 CegarLoopResult]: For program point L909(lines 909 915) no Hoare annotation was computed. [2020-08-22 00:28:32,331 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:28:32,331 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2020-08-22 00:28:32,331 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2020-08-22 00:28:32,331 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2020-08-22 00:28:32,331 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2020-08-22 00:28:32,331 INFO L268 CegarLoopResult]: For program point L895(lines 895 899) no Hoare annotation was computed. [2020-08-22 00:28:32,331 INFO L271 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: true [2020-08-22 00:28:32,331 INFO L268 CegarLoopResult]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2020-08-22 00:28:32,331 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-08-22 00:28:32,332 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2020-08-22 00:28:32,332 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2020-08-22 00:28:32,332 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2020-08-22 00:28:32,332 INFO L268 CegarLoopResult]: For program point L857(lines 857 865) no Hoare annotation was computed. [2020-08-22 00:28:32,332 INFO L268 CegarLoopResult]: For program point L857-2(lines 857 865) no Hoare annotation was computed. [2020-08-22 00:28:32,332 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-08-22 00:28:32,332 INFO L268 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-08-22 00:28:32,332 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 850 885) no Hoare annotation was computed. [2020-08-22 00:28:32,332 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2020-08-22 00:28:32,333 INFO L268 CegarLoopResult]: For program point L869(lines 869 877) no Hoare annotation was computed. [2020-08-22 00:28:32,333 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 877) no Hoare annotation was computed. [2020-08-22 00:28:32,333 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2020-08-22 00:28:32,333 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-08-22 00:28:32,333 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-08-22 00:28:32,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2020-08-22 00:28:32,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2020-08-22 00:28:32,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2020-08-22 00:28:32,334 INFO L268 CegarLoopResult]: For program point L512(lines 512 532) no Hoare annotation was computed. [2020-08-22 00:28:32,334 INFO L268 CegarLoopResult]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2020-08-22 00:28:32,334 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2020-08-22 00:28:32,334 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2020-08-22 00:28:32,334 INFO L268 CegarLoopResult]: For program point L518(lines 518 525) no Hoare annotation was computed. [2020-08-22 00:28:32,334 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2020-08-22 00:28:32,334 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,335 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-22 00:28:32,335 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-22 00:28:32,335 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2020-08-22 00:28:32,335 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2020-08-22 00:28:32,335 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2020-08-22 00:28:32,335 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-08-22 00:28:32,335 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-08-22 00:28:32,335 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2020-08-22 00:28:32,336 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2020-08-22 00:28:32,336 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2020-08-22 00:28:32,336 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-22 00:28:32,336 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2020-08-22 00:28:32,336 INFO L268 CegarLoopResult]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2020-08-22 00:28:32,336 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-22 00:28:32,336 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:32,337 INFO L264 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:32,337 INFO L268 CegarLoopResult]: For program point L780(lines 780 788) no Hoare annotation was computed. [2020-08-22 00:28:32,337 INFO L264 CegarLoopResult]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:32,337 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-08-22 00:28:32,337 INFO L268 CegarLoopResult]: For program point L776(lines 776 793) no Hoare annotation was computed. [2020-08-22 00:28:32,337 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2020-08-22 00:28:32,338 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2020-08-22 00:28:32,338 INFO L264 CegarLoopResult]: At program point testENTRY(lines 640 705) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,338 INFO L264 CegarLoopResult]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:32,338 INFO L268 CegarLoopResult]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2020-08-22 00:28:32,338 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:28:32,338 INFO L268 CegarLoopResult]: For program point L686(lines 686 692) no Hoare annotation was computed. [2020-08-22 00:28:32,338 INFO L264 CegarLoopResult]: At program point L686-1(lines 680 693) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:28:32,339 INFO L268 CegarLoopResult]: For program point L651(lines 650 697) no Hoare annotation was computed. [2020-08-22 00:28:32,339 INFO L268 CegarLoopResult]: For program point L680(lines 680 693) no Hoare annotation was computed. [2020-08-22 00:28:32,339 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:28:32,339 INFO L268 CegarLoopResult]: For program point L670(lines 670 676) no Hoare annotation was computed. [2020-08-22 00:28:32,339 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2020-08-22 00:28:32,339 INFO L264 CegarLoopResult]: At program point L695(lines 650 697) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:28:32,339 INFO L264 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point L472(lines 472 479) no Hoare annotation was computed. [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point L466(lines 466 486) no Hoare annotation was computed. [2020-08-22 00:28:32,340 INFO L268 CegarLoopResult]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2020-08-22 00:28:32,341 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2020-08-22 00:28:32,341 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 797 804) no Hoare annotation was computed. [2020-08-22 00:28:32,341 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2020-08-22 00:28:32,341 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2020-08-22 00:28:32,341 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2020-08-22 00:28:32,341 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2020-08-22 00:28:32,341 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2020-08-22 00:28:32,341 INFO L268 CegarLoopResult]: For program point L605(lines 605 613) no Hoare annotation was computed. [2020-08-22 00:28:32,342 INFO L268 CegarLoopResult]: For program point L605-2(lines 605 613) no Hoare annotation was computed. [2020-08-22 00:28:32,342 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 597 619) no Hoare annotation was computed. [2020-08-22 00:28:32,342 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 597 619) no Hoare annotation was computed. [2020-08-22 00:28:32,342 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 597 619) no Hoare annotation was computed. [2020-08-22 00:28:32,342 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-08-22 00:28:32,342 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-08-22 00:28:32,342 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-08-22 00:28:32,342 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2020-08-22 00:28:32,343 INFO L268 CegarLoopResult]: For program point L378(lines 378 394) no Hoare annotation was computed. [2020-08-22 00:28:32,343 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-08-22 00:28:32,343 INFO L268 CegarLoopResult]: For program point L399(lines 398 418) no Hoare annotation was computed. [2020-08-22 00:28:32,343 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-22 00:28:32,343 INFO L268 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-08-22 00:28:32,343 INFO L268 CegarLoopResult]: For program point L395(lines 395 436) no Hoare annotation was computed. [2020-08-22 00:28:32,343 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2020-08-22 00:28:32,343 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-08-22 00:28:32,344 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-08-22 00:28:32,344 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-08-22 00:28:32,344 INFO L268 CegarLoopResult]: For program point L437(lines 437 448) no Hoare annotation was computed. [2020-08-22 00:28:32,344 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2020-08-22 00:28:32,344 INFO L268 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-08-22 00:28:32,344 INFO L268 CegarLoopResult]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2020-08-22 00:28:32,344 INFO L268 CegarLoopResult]: For program point L419(lines 397 420) no Hoare annotation was computed. [2020-08-22 00:28:32,344 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:28:32,345 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 00:28:32,345 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:28:32,345 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-08-22 00:28:32,345 INFO L268 CegarLoopResult]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2020-08-22 00:28:32,345 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-08-22 00:28:32,345 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2020-08-22 00:28:32,346 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-22 00:28:32,346 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-08-22 00:28:32,346 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 805 821) no Hoare annotation was computed. [2020-08-22 00:28:32,346 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2020-08-22 00:28:32,346 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2020-08-22 00:28:32,346 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2020-08-22 00:28:32,346 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:28:32,346 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2020-08-22 00:28:32,347 INFO L268 CegarLoopResult]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2020-08-22 00:28:32,347 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:28:32,347 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 00:28:32,347 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:28:32,347 INFO L264 CegarLoopResult]: At program point L727(line 727) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~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))) [2020-08-22 00:28:32,347 INFO L264 CegarLoopResult]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-22 00:28:32,348 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-22 00:28:32,348 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-22 00:28:32,348 INFO L268 CegarLoopResult]: For program point L718(lines 717 736) no Hoare annotation was computed. [2020-08-22 00:28:32,348 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2020-08-22 00:28:32,348 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2020-08-22 00:28:32,348 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-22 00:28:32,349 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-22 00:28:32,349 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-22 00:28:32,349 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-22 00:28:32,349 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-22 00:28:32,349 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-22 00:28:32,349 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-22 00:28:32,349 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-22 00:28:32,349 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-22 00:28:32,350 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-22 00:28:32,350 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2020-08-22 00:28:32,350 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2020-08-22 00:28:32,350 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2020-08-22 00:28:32,350 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2020-08-22 00:28:32,350 INFO L268 CegarLoopResult]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2020-08-22 00:28:32,350 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2020-08-22 00:28:32,350 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-22 00:28:32,351 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-22 00:28:32,351 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:28:32,351 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 00:28:32,351 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 00:28:32,351 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:28:32,351 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2020-08-22 00:28:32,351 INFO L268 CegarLoopResult]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2020-08-22 00:28:32,351 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-22 00:28:32,352 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2020-08-22 00:28:32,352 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2020-08-22 00:28:32,352 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2020-08-22 00:28:32,352 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2020-08-22 00:28:32,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:28:32 BoogieIcfgContainer [2020-08-22 00:28:32,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 00:28:32,372 INFO L168 Benchmark]: Toolchain (without parser) took 34948.05 ms. Allocated memory was 140.0 MB in the beginning and 709.9 MB in the end (delta: 569.9 MB). Free memory was 102.1 MB in the beginning and 500.5 MB in the end (delta: -398.4 MB). Peak memory consumption was 564.1 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:32,372 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 00:28:32,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.21 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 173.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:32,374 INFO L168 Benchmark]: Boogie Preprocessor took 86.88 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:32,375 INFO L168 Benchmark]: RCFGBuilder took 1171.29 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.9 MB in the beginning and 197.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:32,376 INFO L168 Benchmark]: TraceAbstraction took 33022.04 ms. Allocated memory was 237.0 MB in the beginning and 709.9 MB in the end (delta: 472.9 MB). Free memory was 197.6 MB in the beginning and 500.5 MB in the end (delta: -302.9 MB). Peak memory consumption was 562.6 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:32,379 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.21 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 173.0 MB in the end (delta: -71.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.88 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1171.29 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.9 MB in the beginning and 197.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33022.04 ms. Allocated memory was 237.0 MB in the beginning and 709.9 MB in the end (delta: 472.9 MB). Free memory was 197.6 MB in the beginning and 500.5 MB in the end (delta: -302.9 MB). Peak memory consumption was 562.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.0s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 643 SDtfs, 1314 SDslu, 614 SDs, 0 SdLazy, 3316 SolverSat, 828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 115 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=694occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 245 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 812 PreInvPairs, 863 NumberOfFragments, 1150 HoareAnnotationTreeSize, 812 FomulaSimplifications, 70109 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 21633 FormulaSimplificationTreeSizeReductionInter, 10.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 105112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 16/23 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...