/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=NARROWEST --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_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:07:05,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:07:05,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:07:06,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:07:06,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:07:06,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:07:06,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:07:06,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:07:06,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:07:06,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:07:06,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:07:06,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:07:06,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:07:06,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:07:06,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:07:06,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:07:06,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:07:06,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:07:06,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:07:06,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:07:06,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:07:06,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:07:06,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:07:06,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:07:06,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:07:06,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:07:06,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:07:06,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:07:06,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:07:06,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:07:06,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:07:06,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:07:06,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:07:06,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:07:06,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:07:06,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:07:06,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:07:06,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:07:06,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:07:06,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:07:06,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:07:06,112 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 [2020-08-21 21:07:06,151 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:07:06,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:07:06,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:07:06,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:07:06,153 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:07:06,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:07:06,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:07:06,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:07:06,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:07:06,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:07:06,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:07:06,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:07:06,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:07:06,156 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:07:06,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:07:06,157 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:07:06,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:07:06,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:07:06,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:07:06,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:07:06,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:07:06,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:07:06,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:07:06,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:07:06,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:07:06,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:07:06,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:07:06,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:07:06,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:07:06,160 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=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:07:06,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:07:06,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:07:06,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:07:06,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:07:06,512 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:07:06,513 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-08-21 21:07:06,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6693840c5/de158bd0aa9f4ad48419d5456c4c5130/FLAGadc57183a [2020-08-21 21:07:07,101 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:07:07,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-08-21 21:07:07,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6693840c5/de158bd0aa9f4ad48419d5456c4c5130/FLAGadc57183a [2020-08-21 21:07:07,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6693840c5/de158bd0aa9f4ad48419d5456c4c5130 [2020-08-21 21:07:07,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:07:07,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:07:07,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:07:07,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:07:07,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:07:07,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:07:07" (1/1) ... [2020-08-21 21:07:07,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc704b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:07, skipping insertion in model container [2020-08-21 21:07:07,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:07:07" (1/1) ... [2020-08-21 21:07:07,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:07:07,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:07:07,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:07:07,950 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:07:08,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:07:08,092 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:07:08,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08 WrapperNode [2020-08-21 21:07:08,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:07:08,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:07:08,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:07:08,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:07:08,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (1/1) ... [2020-08-21 21:07:08,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:07:08,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:07:08,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:07:08,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:07:08,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (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 [2020-08-21 21:07:08,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:07:08,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:07:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:07:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:07:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:07:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:07:08,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:07:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:07:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:07:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 21:07:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:07:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:07:08,305 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 21:07:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:07:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:07:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:07:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:07:08,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:07:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:07:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 21:07:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:07:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:07:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:07:08,307 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:07:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:07:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:07:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:07:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:07:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:07:08,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:07:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:07:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:07:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:07:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:07:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:07:08,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:07:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:07:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:07:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:07:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:07:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:07:08,310 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:07:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:07:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:07:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:07:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:07:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:07:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:07:08,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 21:07:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:07:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:07:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:07:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:07:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 21:07:08,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:07:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 21:07:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:07:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:07:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:07:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:07:08,313 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:07:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:07:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:07:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:07:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:07:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:07:08,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:07:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:07:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:07:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:07:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:07:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:07:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:07:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:07:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:07:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:07:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:07:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:07:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:07:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:07:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:07:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:07:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:07:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:07:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:07:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:07:09,440 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:07:09,440 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:07:09,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:07:09 BoogieIcfgContainer [2020-08-21 21:07:09,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:07:09,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:07:09,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:07:09,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:07:09,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:07:07" (1/3) ... [2020-08-21 21:07:09,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d866273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:07:09, skipping insertion in model container [2020-08-21 21:07:09,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:07:08" (2/3) ... [2020-08-21 21:07:09,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d866273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:07:09, skipping insertion in model container [2020-08-21 21:07:09,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:07:09" (3/3) ... [2020-08-21 21:07:09,454 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-08-21 21:07:09,464 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:07:09,472 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:07:09,486 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:07:09,511 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:07:09,511 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:07:09,512 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:07:09,512 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:07:09,512 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:07:09,512 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:07:09,513 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:07:09,513 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:07:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-08-21 21:07:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 21:07:09,545 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:09,546 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] [2020-08-21 21:07:09,546 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:09,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:09,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1594153299, now seen corresponding path program 1 times [2020-08-21 21:07:09,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:09,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851430762] [2020-08-21 21:07:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,256 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:10,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 21:07:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 21:07:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:10,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851430762] [2020-08-21 21:07:10,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:10,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 21:07:10,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219090601] [2020-08-21 21:07:10,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 21:07:10,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:10,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 21:07:10,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 21:07:10,426 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-08-21 21:07:11,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:11,618 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2020-08-21 21:07:11,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 21:07:11,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 21:07:11,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:11,634 INFO L225 Difference]: With dead ends: 251 [2020-08-21 21:07:11,635 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 21:07:11,639 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 [2020-08-21 21:07:11,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 21:07:11,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2020-08-21 21:07:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-21 21:07:11,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-08-21 21:07:11,726 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2020-08-21 21:07:11,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:11,726 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-08-21 21:07:11,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 21:07:11,727 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-08-21 21:07:11,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 21:07:11,730 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:11,730 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] [2020-08-21 21:07:11,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:07:11,731 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:11,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:11,732 INFO L82 PathProgramCache]: Analyzing trace with hash -2039771295, now seen corresponding path program 1 times [2020-08-21 21:07:11,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:11,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084202696] [2020-08-21 21:07:11,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,117 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:12,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:07:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 21:07:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:12,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:12,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084202696] [2020-08-21 21:07:12,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:12,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:07:12,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783885796] [2020-08-21 21:07:12,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:07:12,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:12,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:07:12,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:07:12,160 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2020-08-21 21:07:12,603 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:07:13,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:13,265 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2020-08-21 21:07:13,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:07:13,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 21:07:13,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:13,270 INFO L225 Difference]: With dead ends: 178 [2020-08-21 21:07:13,271 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 21:07:13,272 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 [2020-08-21 21:07:13,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 21:07:13,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-08-21 21:07:13,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-08-21 21:07:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-08-21 21:07:13,302 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2020-08-21 21:07:13,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:13,302 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-08-21 21:07:13,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:07:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-08-21 21:07:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 21:07:13,305 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:13,305 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] [2020-08-21 21:07:13,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:07:13,305 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:13,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:13,306 INFO L82 PathProgramCache]: Analyzing trace with hash 790886080, now seen corresponding path program 1 times [2020-08-21 21:07:13,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:13,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542548529] [2020-08-21 21:07:13,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,665 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:07:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:07:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:13,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542548529] [2020-08-21 21:07:13,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:13,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:07:13,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84731194] [2020-08-21 21:07:13,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:07:13,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:13,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:07:13,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:07:13,786 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 8 states. [2020-08-21 21:07:14,203 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:07:14,482 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:14,768 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:14,988 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:15,710 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:07:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:17,015 INFO L93 Difference]: Finished difference Result 336 states and 422 transitions. [2020-08-21 21:07:17,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:07:17,016 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-21 21:07:17,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:17,020 INFO L225 Difference]: With dead ends: 336 [2020-08-21 21:07:17,020 INFO L226 Difference]: Without dead ends: 264 [2020-08-21 21:07:17,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 21:07:17,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-08-21 21:07:17,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210. [2020-08-21 21:07:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-08-21 21:07:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2020-08-21 21:07:17,089 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2020-08-21 21:07:17,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:17,089 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2020-08-21 21:07:17,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:07:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2020-08-21 21:07:17,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 21:07:17,092 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:17,092 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] [2020-08-21 21:07:17,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:07:17,093 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:17,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:17,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1905735507, now seen corresponding path program 1 times [2020-08-21 21:07:17,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:17,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811887778] [2020-08-21 21:07:17,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,419 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:17,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 21:07:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:07:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 21:07:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:17,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811887778] [2020-08-21 21:07:17,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:17,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 21:07:17,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844643863] [2020-08-21 21:07:17,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:07:17,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:17,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:07:17,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:07:17,498 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 8 states. [2020-08-21 21:07:17,874 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:07:18,733 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:19,108 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:07:19,404 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:19,661 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:20,006 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:07:20,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:20,683 INFO L93 Difference]: Finished difference Result 680 states and 901 transitions. [2020-08-21 21:07:20,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 21:07:20,684 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-21 21:07:20,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:20,695 INFO L225 Difference]: With dead ends: 680 [2020-08-21 21:07:20,695 INFO L226 Difference]: Without dead ends: 494 [2020-08-21 21:07:20,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:07:20,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-08-21 21:07:20,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 375. [2020-08-21 21:07:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-21 21:07:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2020-08-21 21:07:20,810 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2020-08-21 21:07:20,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:20,810 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2020-08-21 21:07:20,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:07:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2020-08-21 21:07:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-21 21:07:20,814 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:07:20,814 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] [2020-08-21 21:07:20,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:07:20,814 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:07:20,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:07:20,815 INFO L82 PathProgramCache]: Analyzing trace with hash 718604337, now seen corresponding path program 1 times [2020-08-21 21:07:20,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:07:20,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158814634] [2020-08-21 21:07:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:07:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,092 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:21,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:07:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:07:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:07:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:07:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:07:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 21:07:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:07:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:07:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 21:07:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:07:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:07:21,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158814634] [2020-08-21 21:07:21,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:07:21,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:07:21,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5026708] [2020-08-21 21:07:21,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:07:21,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:07:21,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:07:21,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:07:21,221 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 9 states. [2020-08-21 21:07:21,652 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 21:07:22,518 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:22,796 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:23,070 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 21:07:23,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:07:23,405 INFO L93 Difference]: Finished difference Result 705 states and 922 transitions. [2020-08-21 21:07:23,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:07:23,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-21 21:07:23,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:07:23,406 INFO L225 Difference]: With dead ends: 705 [2020-08-21 21:07:23,406 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:07:23,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:07:23,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:07:23,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:07:23,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:07:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:07:23,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-21 21:07:23,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:07:23,411 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:07:23,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:07:23,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:07:23,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:07:23,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:07:23,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:07:26,168 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-21 21:07:26,473 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-21 21:07:26,632 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:26,789 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 21:07:26,949 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-21 21:07:27,156 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-21 21:07:27,334 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:27,791 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-21 21:07:27,988 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 21:07:28,306 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 21:07:28,448 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 21:07:28,777 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-21 21:07:29,067 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-21 21:07:29,253 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 21:07:29,427 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 21:07:29,620 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:29,825 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:29,996 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 21:07:30,319 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 21:07:30,499 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 21:07:30,675 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:30,997 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 21:07:31,159 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 21:07:31,164 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-08-21 21:07:31,165 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 605) no Hoare annotation was computed. [2020-08-21 21:07:31,165 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-08-21 21:07:31,165 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 570 625) no Hoare annotation was computed. [2020-08-21 21:07:31,165 INFO L268 CegarLoopResult]: For program point L595-2(lines 595 616) no Hoare annotation was computed. [2020-08-21 21:07:31,165 INFO L268 CegarLoopResult]: For program point L617(lines 594 618) no Hoare annotation was computed. [2020-08-21 21:07:31,166 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 570 625) no Hoare annotation was computed. [2020-08-21 21:07:31,166 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 570 625) no Hoare annotation was computed. [2020-08-21 21:07:31,166 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-08-21 21:07:31,166 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-08-21 21:07:31,166 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 626 685) no Hoare annotation was computed. [2020-08-21 21:07:31,166 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-08-21 21:07:31,166 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2020-08-21 21:07:31,167 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 626 685) no Hoare annotation was computed. [2020-08-21 21:07:31,167 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-08-21 21:07:31,167 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 677) no Hoare annotation was computed. [2020-08-21 21:07:31,167 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 626 685) no Hoare annotation was computed. [2020-08-21 21:07:31,167 INFO L268 CegarLoopResult]: For program point L678(lines 651 679) no Hoare annotation was computed. [2020-08-21 21:07:31,167 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 405 411) the Hoare annotation is: true [2020-08-21 21:07:31,167 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 405 411) no Hoare annotation was computed. [2020-08-21 21:07:31,168 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 412 420) no Hoare annotation was computed. [2020-08-21 21:07:31,168 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 412 420) the Hoare annotation is: true [2020-08-21 21:07:31,168 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 412 420) no Hoare annotation was computed. [2020-08-21 21:07:31,168 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 494 516) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,168 INFO L264 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,169 INFO L264 CegarLoopResult]: At program point L506-1(line 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,169 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 494 516) no Hoare annotation was computed. [2020-08-21 21:07:31,169 INFO L268 CegarLoopResult]: For program point L504(lines 504 511) no Hoare annotation was computed. [2020-08-21 21:07:31,169 INFO L268 CegarLoopResult]: For program point L504-1(lines 504 511) no Hoare annotation was computed. [2020-08-21 21:07:31,169 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 21:07:31,169 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,170 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,170 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,170 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 494 516) no Hoare annotation was computed. [2020-08-21 21:07:31,170 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 453 476) no Hoare annotation was computed. [2020-08-21 21:07:31,170 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 453 476) no Hoare annotation was computed. [2020-08-21 21:07:31,170 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 453 476) no Hoare annotation was computed. [2020-08-21 21:07:31,170 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-08-21 21:07:31,170 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-08-21 21:07:31,171 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-21 21:07:31,172 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 21:07:31,172 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-21 21:07:31,172 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 21:07:31,172 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 300 314) no Hoare annotation was computed. [2020-08-21 21:07:31,172 INFO L268 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-08-21 21:07:31,172 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 300 314) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 21:07:31,172 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 300 314) no Hoare annotation was computed. [2020-08-21 21:07:31,173 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 21:07:31,173 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 255 263) no Hoare annotation was computed. [2020-08-21 21:07:31,173 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 255 263) the Hoare annotation is: true [2020-08-21 21:07:31,173 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 255 263) no Hoare annotation was computed. [2020-08-21 21:07:31,173 INFO L268 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-08-21 21:07:31,173 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-08-21 21:07:31,173 INFO L268 CegarLoopResult]: For program point L271(lines 271 279) no Hoare annotation was computed. [2020-08-21 21:07:31,173 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 264 299) no Hoare annotation was computed. [2020-08-21 21:07:31,174 INFO L268 CegarLoopResult]: For program point L271-2(lines 271 279) no Hoare annotation was computed. [2020-08-21 21:07:31,174 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 264 299) no Hoare annotation was computed. [2020-08-21 21:07:31,174 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-08-21 21:07:31,174 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-08-21 21:07:31,174 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 264 299) no Hoare annotation was computed. [2020-08-21 21:07:31,174 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 398 404) no Hoare annotation was computed. [2020-08-21 21:07:31,174 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 398 404) the Hoare annotation is: true [2020-08-21 21:07:31,174 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 524 569) no Hoare annotation was computed. [2020-08-21 21:07:31,175 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 524 569) no Hoare annotation was computed. [2020-08-21 21:07:31,175 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 524 569) no Hoare annotation was computed. [2020-08-21 21:07:31,175 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 837 882) no Hoare annotation was computed. [2020-08-21 21:07:31,175 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-08-21 21:07:31,175 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-08-21 21:07:31,175 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-08-21 21:07:31,175 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 837 882) no Hoare annotation was computed. [2020-08-21 21:07:31,175 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 837 882) no Hoare annotation was computed. [2020-08-21 21:07:31,176 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 484 493) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,176 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 484 493) no Hoare annotation was computed. [2020-08-21 21:07:31,176 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 484 493) no Hoare annotation was computed. [2020-08-21 21:07:31,176 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 244 254) the Hoare annotation is: true [2020-08-21 21:07:31,176 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 244 254) no Hoare annotation was computed. [2020-08-21 21:07:31,176 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-08-21 21:07:31,176 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-08-21 21:07:31,176 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 244 254) no Hoare annotation was computed. [2020-08-21 21:07:31,176 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 236 243) the Hoare annotation is: true [2020-08-21 21:07:31,177 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 236 243) no Hoare annotation was computed. [2020-08-21 21:07:31,177 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 236 243) no Hoare annotation was computed. [2020-08-21 21:07:31,177 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:31,177 INFO L268 CegarLoopResult]: For program point L222-1(lines 203 227) no Hoare annotation was computed. [2020-08-21 21:07:31,177 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:31,177 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 203 227) no Hoare annotation was computed. [2020-08-21 21:07:31,177 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:31,178 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 203 227) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:31,178 INFO L268 CegarLoopResult]: For program point L211(lines 211 219) no Hoare annotation was computed. [2020-08-21 21:07:31,178 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:31,178 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-08-21 21:07:31,178 INFO L268 CegarLoopResult]: For program point L207(lines 207 224) no Hoare annotation was computed. [2020-08-21 21:07:31,178 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2020-08-21 21:07:31,178 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2020-08-21 21:07:31,178 INFO L264 CegarLoopResult]: At program point testENTRY(lines 317 382) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,179 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:07:31,179 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-08-21 21:07:31,179 INFO L268 CegarLoopResult]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2020-08-21 21:07:31,179 INFO L268 CegarLoopResult]: For program point testFINAL(lines 317 382) no Hoare annotation was computed. [2020-08-21 21:07:31,179 INFO L264 CegarLoopResult]: At program point L372(lines 327 374) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:07:31,179 INFO L264 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:07:31,179 INFO L268 CegarLoopResult]: For program point L337(lines 337 343) no Hoare annotation was computed. [2020-08-21 21:07:31,180 INFO L268 CegarLoopResult]: For program point L337-1(lines 337 343) no Hoare annotation was computed. [2020-08-21 21:07:31,180 INFO L268 CegarLoopResult]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-08-21 21:07:31,180 INFO L264 CegarLoopResult]: At program point L375(lines 326 376) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:07:31,180 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:07:31,180 INFO L268 CegarLoopResult]: For program point L363(lines 363 369) no Hoare annotation was computed. [2020-08-21 21:07:31,180 INFO L264 CegarLoopResult]: At program point L363-1(lines 357 370) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:07:31,180 INFO L268 CegarLoopResult]: For program point L328(lines 327 374) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point L357(lines 357 370) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point testEXIT(lines 317 382) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 791 836) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 791 836) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 791 836) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point L811(lines 811 818) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point L805(lines 805 825) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point L805-1(lines 805 825) no Hoare annotation was computed. [2020-08-21 21:07:31,181 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 388 397) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 388 397) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 388 397) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 757) no Hoare annotation was computed. [2020-08-21 21:07:31,182 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 688 790) no Hoare annotation was computed. [2020-08-21 21:07:31,183 INFO L268 CegarLoopResult]: For program point L758(lines 736 759) no Hoare annotation was computed. [2020-08-21 21:07:31,183 INFO L268 CegarLoopResult]: For program point L717(lines 717 733) no Hoare annotation was computed. [2020-08-21 21:07:31,183 INFO L268 CegarLoopResult]: For program point L777(lines 777 784) no Hoare annotation was computed. [2020-08-21 21:07:31,183 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 688 790) no Hoare annotation was computed. [2020-08-21 21:07:31,183 INFO L268 CegarLoopResult]: For program point L738(lines 737 757) no Hoare annotation was computed. [2020-08-21 21:07:31,183 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-08-21 21:07:31,183 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-08-21 21:07:31,183 INFO L268 CegarLoopResult]: For program point L734(lines 734 775) no Hoare annotation was computed. [2020-08-21 21:07:31,184 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 688 790) no Hoare annotation was computed. [2020-08-21 21:07:31,184 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-08-21 21:07:31,184 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-08-21 21:07:31,184 INFO L268 CegarLoopResult]: For program point L712(lines 712 716) no Hoare annotation was computed. [2020-08-21 21:07:31,184 INFO L268 CegarLoopResult]: For program point L776(lines 776 787) no Hoare annotation was computed. [2020-08-21 21:07:31,184 INFO L268 CegarLoopResult]: For program point L739(lines 739 743) no Hoare annotation was computed. [2020-08-21 21:07:31,184 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:07:31,185 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 21:07:31,185 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:07:31,185 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 228 235) no Hoare annotation was computed. [2020-08-21 21:07:31,185 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2020-08-21 21:07:31,185 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 228 235) no Hoare annotation was computed. [2020-08-21 21:07:31,185 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-08-21 21:07:31,185 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-21 21:07:31,185 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-21 21:07:31,186 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 21:07:31,186 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-21 21:07:31,186 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-21 21:07:31,186 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:07:31,186 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:07:31,186 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:07:31,186 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-21 21:07:31,186 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-21 21:07:31,186 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-21 21:07:31,187 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:31,187 INFO L264 CegarLoopResult]: At program point L182(lines 182 188) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:31,187 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 21:07:31,187 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:07:31,187 INFO L268 CegarLoopResult]: For program point L175(lines 174 193) no Hoare annotation was computed. [2020-08-21 21:07:31,187 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2020-08-21 21:07:31,187 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2020-08-21 21:07:31,187 INFO L271 CegarLoopResult]: At program point L448(lines 423 452) the Hoare annotation is: true [2020-08-21 21:07:31,188 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 423 452) no Hoare annotation was computed. [2020-08-21 21:07:31,188 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 423 452) the Hoare annotation is: true [2020-08-21 21:07:31,188 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-08-21 21:07:31,188 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-08-21 21:07:31,188 INFO L271 CegarLoopResult]: At program point L437-1(lines 437 441) the Hoare annotation is: true [2020-08-21 21:07:31,188 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-21 21:07:31,188 INFO L271 CegarLoopResult]: At program point L433-2(lines 433 447) the Hoare annotation is: true [2020-08-21 21:07:31,188 INFO L271 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: true [2020-08-21 21:07:31,188 INFO L268 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-08-21 21:07:31,189 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-21 21:07:31,189 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-21 21:07:31,189 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-21 21:07:31,189 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 477 483) no Hoare annotation was computed. [2020-08-21 21:07:31,189 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 477 483) the Hoare annotation is: true [2020-08-21 21:07:31,189 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:07:31,189 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 21:07:31,189 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:07:31,190 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:07:31,190 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-21 21:07:31,190 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-21 21:07:31,190 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 21:07:31,190 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 154 161) no Hoare annotation was computed. [2020-08-21 21:07:31,190 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2020-08-21 21:07:31,190 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 154 161) the Hoare annotation is: true [2020-08-21 21:07:31,191 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 154 161) no Hoare annotation was computed. [2020-08-21 21:07:31,191 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-08-21 21:07:31,191 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-08-21 21:07:31,191 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 21:07:31,191 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-08-21 21:07:31,191 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-21 21:07:31,191 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-08-21 21:07:31,192 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-08-21 21:07:31,192 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-08-21 21:07:31,192 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-08-21 21:07:31,192 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-08-21 21:07:31,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:07:31 BoogieIcfgContainer [2020-08-21 21:07:31,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:07:31,211 INFO L168 Benchmark]: Toolchain (without parser) took 23775.32 ms. Allocated memory was 143.1 MB in the beginning and 577.2 MB in the end (delta: 434.1 MB). Free memory was 103.0 MB in the beginning and 152.6 MB in the end (delta: -49.6 MB). Peak memory consumption was 418.6 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:31,212 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 143.1 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 21:07:31,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.05 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 102.8 MB in the beginning and 176.4 MB in the end (delta: -73.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:31,214 INFO L168 Benchmark]: Boogie Preprocessor took 134.40 ms. Allocated memory is still 205.5 MB. Free memory was 176.4 MB in the beginning and 171.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:31,214 INFO L168 Benchmark]: RCFGBuilder took 1217.58 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 171.8 MB in the beginning and 200.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:31,215 INFO L168 Benchmark]: TraceAbstraction took 21762.14 ms. Allocated memory was 235.4 MB in the beginning and 577.2 MB in the end (delta: 341.8 MB). Free memory was 200.8 MB in the beginning and 152.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 424.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:07:31,220 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 143.1 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.05 ms. Allocated memory was 143.1 MB in the beginning and 205.5 MB in the end (delta: 62.4 MB). Free memory was 102.8 MB in the beginning and 176.4 MB in the end (delta: -73.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.40 ms. Allocated memory is still 205.5 MB. Free memory was 176.4 MB in the beginning and 171.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1217.58 ms. Allocated memory was 205.5 MB in the beginning and 235.4 MB in the end (delta: 29.9 MB). Free memory was 171.8 MB in the beginning and 200.8 MB in the end (delta: -29.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21762.14 ms. Allocated memory was 235.4 MB in the beginning and 577.2 MB in the end (delta: 341.8 MB). Free memory was 200.8 MB in the beginning and 152.6 MB in the end (delta: 48.2 MB). Peak memory consumption was 424.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 453 SDtfs, 751 SDslu, 398 SDs, 0 SdLazy, 1924 SolverSat, 506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 676 HoareAnnotationTreeSize, 468 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 16892 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...