/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:56:18,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:56:18,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:56:18,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:56:18,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:56:18,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:56:18,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:56:18,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:56:18,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:56:18,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:56:18,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:56:18,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:56:18,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:56:18,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:56:18,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:56:18,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:56:18,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:56:18,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:56:18,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:56:18,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:56:18,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:56:18,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:56:18,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:56:18,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:56:18,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:56:18,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:56:18,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:56:18,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:56:18,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:56:18,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:56:18,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:56:18,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:56:18,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:56:18,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:56:18,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:56:18,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:56:18,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:56:18,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:56:18,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:56:18,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:56:18,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:56:18,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 11:56:18,277 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:56:18,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:56:18,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:56:18,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:56:18,282 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:56:18,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:56:18,282 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:56:18,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:56:18,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:56:18,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:56:18,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:56:18,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:56:18,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:56:18,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:56:18,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:56:18,285 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:56:18,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:56:18,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:56:18,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:56:18,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:56:18,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:56:18,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:56:18,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:56:18,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:56:18,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:56:18,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:56:18,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:56:18,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:56:18,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:56:18,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 11:56:18,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:56:18,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:56:18,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:56:18,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:56:18,601 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:56:18,603 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-08-18 11:56:18,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61ac43082/de2d578ff29b4454b6f123f7fa4f049f/FLAGa1f532e47 [2020-08-18 11:56:19,214 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:56:19,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-08-18 11:56:19,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61ac43082/de2d578ff29b4454b6f123f7fa4f049f/FLAGa1f532e47 [2020-08-18 11:56:19,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61ac43082/de2d578ff29b4454b6f123f7fa4f049f [2020-08-18 11:56:19,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:56:19,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:56:19,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:56:19,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:56:19,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:56:19,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:56:19" (1/1) ... [2020-08-18 11:56:19,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261c729e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:19, skipping insertion in model container [2020-08-18 11:56:19,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:56:19" (1/1) ... [2020-08-18 11:56:19,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:56:19,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:56:20,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:56:20,097 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:56:20,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:56:20,209 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:56:20,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20 WrapperNode [2020-08-18 11:56:20,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:56:20,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:56:20,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:56:20,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:56:20,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (1/1) ... [2020-08-18 11:56:20,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (1/1) ... [2020-08-18 11:56:20,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (1/1) ... [2020-08-18 11:56:20,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (1/1) ... [2020-08-18 11:56:20,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (1/1) ... [2020-08-18 11:56:20,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (1/1) ... [2020-08-18 11:56:20,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (1/1) ... [2020-08-18 11:56:20,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:56:20,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:56:20,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:56:20,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:56:20,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:56:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:56:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:56:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 11:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 11:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 11:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 11:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 11:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 11:56:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 11:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 11:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 11:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 11:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 11:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 11:56:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 11:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 11:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 11:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 11:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 11:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 11:56:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 11:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 11:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 11:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 11:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 11:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 11:56:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 11:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 11:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 11:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 11:56:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 11:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 11:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 11:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 11:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 11:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 11:56:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 11:56:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 11:56:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:56:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:56:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 11:56:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 11:56:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 11:56:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 11:56:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 11:56:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 11:56:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 11:56:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 11:56:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 11:56:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 11:56:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 11:56:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 11:56:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 11:56:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 11:56:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 11:56:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 11:56:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 11:56:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 11:56:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 11:56:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 11:56:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 11:56:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:56:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 11:56:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 11:56:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 11:56:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 11:56:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 11:56:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 11:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 11:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 11:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 11:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 11:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:56:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 11:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 11:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 11:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 11:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 11:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 11:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 11:56:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 11:56:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 11:56:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 11:56:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 11:56:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 11:56:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 11:56:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 11:56:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 11:56:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 11:56:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:56:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 11:56:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:56:21,426 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:56:21,426 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 11:56:21,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:56:21 BoogieIcfgContainer [2020-08-18 11:56:21,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:56:21,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:56:21,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:56:21,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:56:21,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:56:19" (1/3) ... [2020-08-18 11:56:21,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab37765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:56:21, skipping insertion in model container [2020-08-18 11:56:21,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:20" (2/3) ... [2020-08-18 11:56:21,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab37765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:56:21, skipping insertion in model container [2020-08-18 11:56:21,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:56:21" (3/3) ... [2020-08-18 11:56:21,440 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2020-08-18 11:56:21,450 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:56:21,458 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:56:21,472 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:56:21,496 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:56:21,497 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:56:21,497 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:56:21,497 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:56:21,498 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:56:21,498 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:56:21,498 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:56:21,498 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:56:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-08-18 11:56:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 11:56:21,533 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:21,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:21,535 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:21,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:21,541 INFO L82 PathProgramCache]: Analyzing trace with hash 428209433, now seen corresponding path program 1 times [2020-08-18 11:56:21,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:21,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818727602] [2020-08-18 11:56:21,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,274 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:22,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 11:56:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:56:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:22,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818727602] [2020-08-18 11:56:22,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:22,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 11:56:22,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454510936] [2020-08-18 11:56:22,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 11:56:22,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:22,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 11:56:22,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:56:22,416 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-08-18 11:56:23,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:23,512 INFO L93 Difference]: Finished difference Result 271 states and 357 transitions. [2020-08-18 11:56:23,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 11:56:23,514 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 11:56:23,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:23,529 INFO L225 Difference]: With dead ends: 271 [2020-08-18 11:56:23,529 INFO L226 Difference]: Without dead ends: 153 [2020-08-18 11:56:23,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:56:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-08-18 11:56:23,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 119. [2020-08-18 11:56:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 11:56:23,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-18 11:56:23,627 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 51 [2020-08-18 11:56:23,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:23,628 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-18 11:56:23,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 11:56:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-18 11:56:23,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 11:56:23,634 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:23,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:23,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:56:23,635 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:23,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:23,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1561969621, now seen corresponding path program 1 times [2020-08-18 11:56:23,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:23,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818789265] [2020-08-18 11:56:23,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,974 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:23,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:24,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:24,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:24,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:24,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:24,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:24,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:56:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:24,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:56:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:24,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818789265] [2020-08-18 11:56:24,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:24,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:56:24,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157345110] [2020-08-18 11:56:24,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:56:24,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:24,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:56:24,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:56:24,041 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-08-18 11:56:24,550 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 11:56:25,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:25,313 INFO L93 Difference]: Finished difference Result 206 states and 256 transitions. [2020-08-18 11:56:25,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:56:25,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 11:56:25,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:25,317 INFO L225 Difference]: With dead ends: 206 [2020-08-18 11:56:25,317 INFO L226 Difference]: Without dead ends: 143 [2020-08-18 11:56:25,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:56:25,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-18 11:56:25,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 110. [2020-08-18 11:56:25,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 11:56:25,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-08-18 11:56:25,356 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 52 [2020-08-18 11:56:25,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:25,357 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-08-18 11:56:25,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:56:25,357 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-08-18 11:56:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 11:56:25,359 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:25,360 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] [2020-08-18 11:56:25,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:56:25,360 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:25,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:25,361 INFO L82 PathProgramCache]: Analyzing trace with hash 166162683, now seen corresponding path program 1 times [2020-08-18 11:56:25,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:25,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12734031] [2020-08-18 11:56:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,714 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:25,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:56:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 11:56:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:25,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12734031] [2020-08-18 11:56:25,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:25,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:56:25,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552121309] [2020-08-18 11:56:25,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:56:25,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:25,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:56:25,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:56:25,880 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 9 states. [2020-08-18 11:56:26,286 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:26,629 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:26,889 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:27,134 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:28,010 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 11:56:29,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:29,681 INFO L93 Difference]: Finished difference Result 378 states and 478 transitions. [2020-08-18 11:56:29,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 11:56:29,682 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 11:56:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:29,686 INFO L225 Difference]: With dead ends: 378 [2020-08-18 11:56:29,687 INFO L226 Difference]: Without dead ends: 296 [2020-08-18 11:56:29,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 11:56:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-08-18 11:56:29,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 231. [2020-08-18 11:56:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-08-18 11:56:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 280 transitions. [2020-08-18 11:56:29,759 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 280 transitions. Word has length 57 [2020-08-18 11:56:29,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:29,759 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 280 transitions. [2020-08-18 11:56:29,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:56:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 280 transitions. [2020-08-18 11:56:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 11:56:29,762 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:29,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:29,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:56:29,763 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:29,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:29,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1270413566, now seen corresponding path program 1 times [2020-08-18 11:56:29,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:29,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693011032] [2020-08-18 11:56:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,094 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:56:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 11:56:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 11:56:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:30,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:30,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693011032] [2020-08-18 11:56:30,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:30,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:56:30,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44012591] [2020-08-18 11:56:30,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:56:30,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:30,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:56:30,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:56:30,252 INFO L87 Difference]: Start difference. First operand 231 states and 280 transitions. Second operand 9 states. [2020-08-18 11:56:30,647 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:31,867 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:32,187 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:32,459 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:32,695 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:33,714 INFO L93 Difference]: Finished difference Result 742 states and 996 transitions. [2020-08-18 11:56:33,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 11:56:33,715 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-18 11:56:33,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:33,721 INFO L225 Difference]: With dead ends: 742 [2020-08-18 11:56:33,721 INFO L226 Difference]: Without dead ends: 539 [2020-08-18 11:56:33,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 11:56:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-08-18 11:56:33,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 410. [2020-08-18 11:56:33,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-08-18 11:56:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 500 transitions. [2020-08-18 11:56:33,852 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 500 transitions. Word has length 62 [2020-08-18 11:56:33,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:33,853 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 500 transitions. [2020-08-18 11:56:33,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:56:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 500 transitions. [2020-08-18 11:56:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 11:56:33,856 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:33,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:33,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:56:33,856 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:33,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1668441378, now seen corresponding path program 1 times [2020-08-18 11:56:33,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:33,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371134851] [2020-08-18 11:56:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,177 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:34,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 11:56:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 11:56:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 11:56:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 11:56:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:34,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371134851] [2020-08-18 11:56:34,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:34,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 11:56:34,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237178157] [2020-08-18 11:56:34,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:56:34,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:34,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:56:34,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:56:34,280 INFO L87 Difference]: Start difference. First operand 410 states and 500 transitions. Second operand 10 states. [2020-08-18 11:56:34,723 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:35,719 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:35,982 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:36,255 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:36,769 INFO L93 Difference]: Finished difference Result 811 states and 1101 transitions. [2020-08-18 11:56:36,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 11:56:36,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-18 11:56:36,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:36,770 INFO L225 Difference]: With dead ends: 811 [2020-08-18 11:56:36,770 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:56:36,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-18 11:56:36,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:56:36,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:56:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:56:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:56:36,774 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-18 11:56:36,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:36,774 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:56:36,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:56:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:56:36,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:56:36,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:56:36,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:56:40,451 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 11:56:40,610 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:40,771 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 11:56:41,132 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-18 11:56:41,310 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 11:56:41,535 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:41,748 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 11:56:42,082 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 11:56:42,236 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 11:56:42,556 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 11:56:42,899 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 11:56:43,234 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 11:56:43,397 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:43,554 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:43,713 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:43,879 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 11:56:44,056 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:44,388 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 11:56:44,724 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 11:56:44,899 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 11:56:45,109 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:45,453 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-18 11:56:45,937 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-18 11:56:46,249 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 11:56:46,561 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 11:56:46,565 INFO L268 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-08-18 11:56:46,565 INFO L268 CegarLoopResult]: For program point L673-1(lines 673 677) no Hoare annotation was computed. [2020-08-18 11:56:46,566 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-08-18 11:56:46,566 INFO L268 CegarLoopResult]: For program point L667-2(lines 667 688) no Hoare annotation was computed. [2020-08-18 11:56:46,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 642 697) no Hoare annotation was computed. [2020-08-18 11:56:46,566 INFO L268 CegarLoopResult]: For program point L689(lines 666 690) no Hoare annotation was computed. [2020-08-18 11:56:46,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 642 697) no Hoare annotation was computed. [2020-08-18 11:56:46,566 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 642 697) no Hoare annotation was computed. [2020-08-18 11:56:46,567 INFO L268 CegarLoopResult]: For program point L730(lines 730 734) no Hoare annotation was computed. [2020-08-18 11:56:46,567 INFO L268 CegarLoopResult]: For program point L730-1(lines 730 734) no Hoare annotation was computed. [2020-08-18 11:56:46,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 698 757) no Hoare annotation was computed. [2020-08-18 11:56:46,567 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-18 11:56:46,567 INFO L268 CegarLoopResult]: For program point L724-2(lines 724 749) no Hoare annotation was computed. [2020-08-18 11:56:46,567 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 698 757) no Hoare annotation was computed. [2020-08-18 11:56:46,567 INFO L268 CegarLoopResult]: For program point L750(lines 723 751) no Hoare annotation was computed. [2020-08-18 11:56:46,568 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 698 757) no Hoare annotation was computed. [2020-08-18 11:56:46,568 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-08-18 11:56:46,568 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-08-18 11:56:46,568 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 11:56:46,569 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 11:56:46,569 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 11:56:46,569 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 11:56:46,569 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 11:56:46,569 INFO L264 CegarLoopResult]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 11:56:46,569 INFO L268 CegarLoopResult]: For program point L576(lines 576 583) no Hoare annotation was computed. [2020-08-18 11:56:46,569 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 583) no Hoare annotation was computed. [2020-08-18 11:56:46,569 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-18 11:56:46,570 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 566 588) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:46,570 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:46,570 INFO L264 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:46,570 INFO L264 CegarLoopResult]: At program point L572-1(line 572) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:46,570 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 566 588) no Hoare annotation was computed. [2020-08-18 11:56:46,571 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 566 588) no Hoare annotation was computed. [2020-08-18 11:56:46,571 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 11:56:46,571 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 524 547) no Hoare annotation was computed. [2020-08-18 11:56:46,571 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 11:56:46,571 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-18 11:56:46,571 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 524 547) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 524 547) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-08-18 11:56:46,572 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 11:56:46,573 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-18 11:56:46,573 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-18 11:56:46,573 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 11:56:46,573 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-18 11:56:46,573 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 360 374) no Hoare annotation was computed. [2020-08-18 11:56:46,573 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 11:56:46,573 INFO L268 CegarLoopResult]: For program point L364(lines 364 370) no Hoare annotation was computed. [2020-08-18 11:56:46,573 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 360 374) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 11:56:46,573 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 360 374) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 296 304) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 296 304) the Hoare annotation is: true [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 296 304) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L271 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: true [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 354) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point L348-1(line 348) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 341 359) the Hoare annotation is: true [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 341 359) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 341 359) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point L312(lines 312 320) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2020-08-18 11:56:46,574 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 305 340) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 305 340) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point L324(lines 324 332) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 305 340) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point L324-2(lines 324 332) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 596 641) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 596 641) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 596 641) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point L929(lines 929 936) no Hoare annotation was computed. [2020-08-18 11:56:46,575 INFO L268 CegarLoopResult]: For program point L923(lines 923 943) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point L923-1(lines 923 943) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 909 954) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 909 954) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 909 954) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:46,576 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 555 565) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 555 565) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 555 565) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 285 295) no Hoare annotation was computed. [2020-08-18 11:56:46,576 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 285 295) no Hoare annotation was computed. [2020-08-18 11:56:46,577 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 285 295) no Hoare annotation was computed. [2020-08-18 11:56:46,577 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-08-18 11:56:46,577 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 277 284) the Hoare annotation is: true [2020-08-18 11:56:46,577 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 277 284) no Hoare annotation was computed. [2020-08-18 11:56:46,577 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 277 284) no Hoare annotation was computed. [2020-08-18 11:56:46,577 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 226 250) no Hoare annotation was computed. [2020-08-18 11:56:46,577 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:46,577 INFO L268 CegarLoopResult]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2020-08-18 11:56:46,577 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 226 250) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:46,577 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:46,578 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:46,578 INFO L268 CegarLoopResult]: For program point L234(lines 234 242) no Hoare annotation was computed. [2020-08-18 11:56:46,578 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:46,578 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-08-18 11:56:46,578 INFO L268 CegarLoopResult]: For program point L230(lines 230 247) no Hoare annotation was computed. [2020-08-18 11:56:46,578 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2020-08-18 11:56:46,578 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2020-08-18 11:56:46,578 INFO L264 CegarLoopResult]: At program point L417(line 417) 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))) [2020-08-18 11:56:46,578 INFO L264 CegarLoopResult]: At program point testENTRY(lines 385 452) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:46,578 INFO L268 CegarLoopResult]: For program point L415(lines 415 421) no Hoare annotation was computed. [2020-08-18 11:56:46,579 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2020-08-18 11:56:46,579 INFO L264 CegarLoopResult]: At program point L442(lines 395 444) 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))) [2020-08-18 11:56:46,579 INFO L264 CegarLoopResult]: At program point L407(line 407) 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))) [2020-08-18 11:56:46,579 INFO L268 CegarLoopResult]: For program point testFINAL(lines 385 452) no Hoare annotation was computed. [2020-08-18 11:56:46,579 INFO L268 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-08-18 11:56:46,579 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 411) no Hoare annotation was computed. [2020-08-18 11:56:46,579 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-08-18 11:56:46,580 INFO L264 CegarLoopResult]: At program point L445(lines 394 446) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:46,580 INFO L264 CegarLoopResult]: At program point L435(line 435) 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))) [2020-08-18 11:56:46,580 INFO L268 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-08-18 11:56:46,580 INFO L264 CegarLoopResult]: At program point L433-1(lines 425 440) 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))) [2020-08-18 11:56:46,580 INFO L268 CegarLoopResult]: For program point L396(lines 395 444) no Hoare annotation was computed. [2020-08-18 11:56:46,580 INFO L264 CegarLoopResult]: At program point L427(line 427) 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))) [2020-08-18 11:56:46,580 INFO L268 CegarLoopResult]: For program point L425(lines 425 440) no Hoare annotation was computed. [2020-08-18 11:56:46,580 INFO L268 CegarLoopResult]: For program point testEXIT(lines 385 452) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 863 908) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 863 908) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point L883(lines 883 890) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 863 908) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point L877(lines 877 897) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point L877-1(lines 877 897) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 251 258) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 251 258) no Hoare annotation was computed. [2020-08-18 11:56:46,581 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 251 258) no Hoare annotation was computed. [2020-08-18 11:56:46,582 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2020-08-18 11:56:46,582 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2020-08-18 11:56:46,582 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2020-08-18 11:56:46,582 INFO L264 CegarLoopResult]: At program point L478(line 478) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 11:56:46,582 INFO L268 CegarLoopResult]: For program point L476(lines 476 482) no Hoare annotation was computed. [2020-08-18 11:56:46,582 INFO L268 CegarLoopResult]: For program point L475(lines 475 485) no Hoare annotation was computed. [2020-08-18 11:56:46,582 INFO L264 CegarLoopResult]: At program point L473(line 473) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 11:56:46,582 INFO L268 CegarLoopResult]: For program point L473-1(line 473) no Hoare annotation was computed. [2020-08-18 11:56:46,582 INFO L268 CegarLoopResult]: For program point L471(lines 471 488) no Hoare annotation was computed. [2020-08-18 11:56:46,582 INFO L268 CegarLoopResult]: For program point L471-1(lines 463 491) no Hoare annotation was computed. [2020-08-18 11:56:46,582 INFO L264 CegarLoopResult]: At program point L469(line 469) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point L469-1(line 469) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 463 491) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 463 491) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point L149(lines 149 157) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 141 163) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point L149-2(lines 149 157) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 455 462) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 455 462) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 455 462) no Hoare annotation was computed. [2020-08-18 11:56:46,583 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 760 862) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point L830(lines 808 831) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point L789(lines 789 805) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point L849(lines 849 856) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point L810(lines 809 829) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point L806(lines 806 847) no Hoare annotation was computed. [2020-08-18 11:56:46,584 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 760 862) no Hoare annotation was computed. [2020-08-18 11:56:46,585 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-18 11:56:46,585 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-08-18 11:56:46,585 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 760 862) no Hoare annotation was computed. [2020-08-18 11:56:46,585 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-08-18 11:56:46,585 INFO L268 CegarLoopResult]: For program point L848(lines 848 859) no Hoare annotation was computed. [2020-08-18 11:56:46,585 INFO L268 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2020-08-18 11:56:46,585 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 829) no Hoare annotation was computed. [2020-08-18 11:56:46,585 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~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~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~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~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point L271-1(lines 260 276) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 260 276) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point L267(lines 267 273) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 260 276) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point L265-1(line 265) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 164 172) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 164 172) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2020-08-18 11:56:46,586 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 11:56:46,587 INFO L268 CegarLoopResult]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2020-08-18 11:56:46,587 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2020-08-18 11:56:46,587 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:46,587 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 11:56:46,587 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:46,587 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2020-08-18 11:56:46,587 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2020-08-18 11:56:46,587 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2020-08-18 11:56:46,587 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:46,587 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:46,588 INFO L264 CegarLoopResult]: At program point L205(lines 205 211) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:46,588 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2020-08-18 11:56:46,588 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 11:56:46,588 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2020-08-18 11:56:46,588 INFO L268 CegarLoopResult]: For program point L198(lines 197 216) no Hoare annotation was computed. [2020-08-18 11:56:46,588 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2020-08-18 11:56:46,588 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2020-08-18 11:56:46,588 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-08-18 11:56:46,589 INFO L271 CegarLoopResult]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2020-08-18 11:56:46,589 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-18 11:56:46,589 INFO L271 CegarLoopResult]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2020-08-18 11:56:46,589 INFO L271 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: true [2020-08-18 11:56:46,589 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-08-18 11:56:46,589 INFO L271 CegarLoopResult]: At program point L519(lines 494 523) the Hoare annotation is: true [2020-08-18 11:56:46,589 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 11:56:46,590 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2020-08-18 11:56:46,590 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2020-08-18 11:56:46,590 INFO L268 CegarLoopResult]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2020-08-18 11:56:46,590 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 548 554) no Hoare annotation was computed. [2020-08-18 11:56:46,590 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 548 554) the Hoare annotation is: true [2020-08-18 11:56:46,590 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:46,590 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 11:56:46,590 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:56:46,590 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:46,590 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 375 382) no Hoare annotation was computed. [2020-08-18 11:56:46,590 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 375 382) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 11:56:46,590 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 375 382) no Hoare annotation was computed. [2020-08-18 11:56:46,590 INFO L268 CegarLoopResult]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2020-08-18 11:56:46,591 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2020-08-18 11:56:46,591 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 11:56:46,591 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-08-18 11:56:46,591 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-18 11:56:46,591 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-08-18 11:56:46,591 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-08-18 11:56:46,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:56:46 BoogieIcfgContainer [2020-08-18 11:56:46,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:56:46,608 INFO L168 Benchmark]: Toolchain (without parser) took 27045.30 ms. Allocated memory was 141.0 MB in the beginning and 669.5 MB in the end (delta: 528.5 MB). Free memory was 102.1 MB in the beginning and 101.8 MB in the end (delta: 352.2 kB). Peak memory consumption was 546.6 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:46,609 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-18 11:56:46,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.48 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 169.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:46,610 INFO L168 Benchmark]: Boogie Preprocessor took 110.48 ms. Allocated memory is still 203.9 MB. Free memory was 169.9 MB in the beginning and 164.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:46,611 INFO L168 Benchmark]: RCFGBuilder took 1109.89 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 164.3 MB in the beginning and 189.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:46,612 INFO L168 Benchmark]: TraceAbstraction took 25173.31 ms. Allocated memory was 234.9 MB in the beginning and 669.5 MB in the end (delta: 434.6 MB). Free memory was 187.5 MB in the beginning and 101.8 MB in the end (delta: 85.8 MB). Peak memory consumption was 538.1 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:46,616 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.2 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.48 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 169.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.48 ms. Allocated memory is still 203.9 MB. Free memory was 169.9 MB in the beginning and 164.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1109.89 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 164.3 MB in the beginning and 189.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25173.31 ms. Allocated memory was 234.9 MB in the beginning and 669.5 MB in the end (delta: 434.6 MB). Free memory was 187.5 MB in the beginning and 101.8 MB in the end (delta: 85.8 MB). Peak memory consumption was 538.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 395]: 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 41 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 513 SDtfs, 945 SDslu, 570 SDs, 0 SdLazy, 2555 SolverSat, 723 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 261 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 538 PreInvPairs, 665 NumberOfFragments, 803 HoareAnnotationTreeSize, 538 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 17680 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 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...