/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 18:42:16,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 18:42:16,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 18:42:16,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 18:42:16,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 18:42:16,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 18:42:16,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 18:42:16,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 18:42:16,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 18:42:16,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 18:42:16,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 18:42:16,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 18:42:16,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 18:42:16,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 18:42:16,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 18:42:16,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 18:42:16,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 18:42:16,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 18:42:16,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 18:42:16,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 18:42:16,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 18:42:16,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 18:42:16,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 18:42:16,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 18:42:16,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 18:42:16,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 18:42:16,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 18:42:16,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 18:42:16,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 18:42:16,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 18:42:16,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 18:42:16,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 18:42:16,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 18:42:16,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 18:42:16,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 18:42:16,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 18:42:16,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 18:42:16,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 18:42:16,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 18:42:16,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 18:42:16,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 18:42:16,234 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 18:42:16,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 18:42:16,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 18:42:16,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 18:42:16,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 18:42:16,273 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 18:42:16,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 18:42:16,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 18:42:16,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 18:42:16,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 18:42:16,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 18:42:16,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 18:42:16,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 18:42:16,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 18:42:16,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 18:42:16,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 18:42:16,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 18:42:16,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 18:42:16,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 18:42:16,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 18:42:16,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 18:42:16,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 18:42:16,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 18:42:16,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 18:42:16,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 18:42:16,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 18:42:16,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 18:42:16,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 18:42:16,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 18:42:16,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 18:42:16,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-08-21 18:42:16,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 18:42:16,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 18:42:16,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 18:42:16,593 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 18:42:16,593 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 18:42:16,594 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-08-21 18:42:16,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ee73fade/be73acf959fe4103b3edf6990627b8e6/FLAGc069cb5a9 [2020-08-21 18:42:17,159 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 18:42:17,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-08-21 18:42:17,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ee73fade/be73acf959fe4103b3edf6990627b8e6/FLAGc069cb5a9 [2020-08-21 18:42:17,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ee73fade/be73acf959fe4103b3edf6990627b8e6 [2020-08-21 18:42:17,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 18:42:17,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 18:42:17,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 18:42:17,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 18:42:17,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 18:42:17,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:42:17" (1/1) ... [2020-08-21 18:42:17,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4d4318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:17, skipping insertion in model container [2020-08-21 18:42:17,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:42:17" (1/1) ... [2020-08-21 18:42:17,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 18:42:17,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 18:42:17,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:42:17,996 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 18:42:18,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:42:18,132 INFO L208 MainTranslator]: Completed translation [2020-08-21 18:42:18,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18 WrapperNode [2020-08-21 18:42:18,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 18:42:18,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 18:42:18,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 18:42:18,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 18:42:18,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (1/1) ... [2020-08-21 18:42:18,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (1/1) ... [2020-08-21 18:42:18,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (1/1) ... [2020-08-21 18:42:18,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (1/1) ... [2020-08-21 18:42:18,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (1/1) ... [2020-08-21 18:42:18,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (1/1) ... [2020-08-21 18:42:18,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (1/1) ... [2020-08-21 18:42:18,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 18:42:18,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 18:42:18,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 18:42:18,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 18:42:18,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 18:42:18,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 18:42:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 18:42:18,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 18:42:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 18:42:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 18:42:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 18:42:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 18:42:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 18:42:18,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 18:42:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 18:42:18,340 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 18:42:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 18:42:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 18:42:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 18:42:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 18:42:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 18:42:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 18:42:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 18:42:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 18:42:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 18:42:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 18:42:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 18:42:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 18:42:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 18:42:18,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 18:42:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 18:42:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 18:42:18,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 18:42:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 18:42:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 18:42:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 18:42:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 18:42:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 18:42:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 18:42:18,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 18:42:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 18:42:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 18:42:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 18:42:18,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-21 18:42:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 18:42:18,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 18:42:18,347 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 18:42:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 18:42:18,348 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 18:42:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 18:42:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 18:42:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 18:42:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 18:42:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 18:42:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 18:42:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 18:42:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 18:42:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 18:42:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 18:42:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 18:42:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 18:42:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 18:42:18,351 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 18:42:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 18:42:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 18:42:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 18:42:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 18:42:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 18:42:18,352 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 18:42:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 18:42:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-21 18:42:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 18:42:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 18:42:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 18:42:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 18:42:18,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 18:42:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 18:42:18,354 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 18:42:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 18:42:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 18:42:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 18:42:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 18:42:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 18:42:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 18:42:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 18:42:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 18:42:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 18:42:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 18:42:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 18:42:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 18:42:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 18:42:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 18:42:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 18:42:18,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 18:42:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 18:42:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 18:42:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 18:42:19,370 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 18:42:19,370 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 18:42:19,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:42:19 BoogieIcfgContainer [2020-08-21 18:42:19,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 18:42:19,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 18:42:19,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 18:42:19,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 18:42:19,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 06:42:17" (1/3) ... [2020-08-21 18:42:19,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185c0b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:42:19, skipping insertion in model container [2020-08-21 18:42:19,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:42:18" (2/3) ... [2020-08-21 18:42:19,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185c0b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:42:19, skipping insertion in model container [2020-08-21 18:42:19,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:42:19" (3/3) ... [2020-08-21 18:42:19,390 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-08-21 18:42:19,400 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 18:42:19,409 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 18:42:19,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 18:42:19,444 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 18:42:19,445 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 18:42:19,445 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 18:42:19,445 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 18:42:19,445 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 18:42:19,446 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 18:42:19,446 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 18:42:19,446 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 18:42:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-08-21 18:42:19,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 18:42:19,477 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:42:19,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:42:19,479 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:42:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:42:19,484 INFO L82 PathProgramCache]: Analyzing trace with hash -2002333427, now seen corresponding path program 1 times [2020-08-21 18:42:19,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:42:19,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690335125] [2020-08-21 18:42:19,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:42:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:20,143 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:42:20,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:42:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:20,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:42:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:42:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:20,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:42:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:20,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:42:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:20,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 18:42:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:20,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 18:42:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:20,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:42:20,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690335125] [2020-08-21 18:42:20,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:42:20,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 18:42:20,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807820025] [2020-08-21 18:42:20,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 18:42:20,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:42:20,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 18:42:20,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:42:20,302 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-08-21 18:42:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:42:21,416 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-08-21 18:42:21,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 18:42:21,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 18:42:21,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:42:21,432 INFO L225 Difference]: With dead ends: 270 [2020-08-21 18:42:21,433 INFO L226 Difference]: Without dead ends: 147 [2020-08-21 18:42:21,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 18:42:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-21 18:42:21,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-08-21 18:42:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 18:42:21,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-08-21 18:42:21,533 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-08-21 18:42:21,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:42:21,534 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-08-21 18:42:21,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 18:42:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-08-21 18:42:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 18:42:21,537 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:42:21,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:42:21,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 18:42:21,538 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:42:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:42:21,539 INFO L82 PathProgramCache]: Analyzing trace with hash -736950579, now seen corresponding path program 1 times [2020-08-21 18:42:21,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:42:21,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545590675] [2020-08-21 18:42:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:42:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:21,919 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:42:21,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:42:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:21,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:42:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:42:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:42:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:42:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:21,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 18:42:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:21,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 18:42:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:42:21,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545590675] [2020-08-21 18:42:21,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:42:21,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 18:42:21,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347861112] [2020-08-21 18:42:21,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 18:42:21,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:42:21,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 18:42:21,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 18:42:21,962 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-08-21 18:42:22,378 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:42:23,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:42:23,010 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-08-21 18:42:23,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 18:42:23,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 18:42:23,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:42:23,013 INFO L225 Difference]: With dead ends: 193 [2020-08-21 18:42:23,013 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 18:42:23,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 18:42:23,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 18:42:23,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-08-21 18:42:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-21 18:42:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-08-21 18:42:23,050 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-08-21 18:42:23,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:42:23,051 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-08-21 18:42:23,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 18:42:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-08-21 18:42:23,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 18:42:23,053 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:42:23,053 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] [2020-08-21 18:42:23,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 18:42:23,053 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:42:23,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:42:23,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1634875871, now seen corresponding path program 1 times [2020-08-21 18:42:23,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:42:23,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454536627] [2020-08-21 18:42:23,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:42:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:23,387 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:42:23,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:42:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:23,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:42:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:23,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:42:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:23,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:42:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:23,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:42:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:23,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 18:42:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 18:42:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:42:23,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454536627] [2020-08-21 18:42:23,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:42:23,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 18:42:23,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999619966] [2020-08-21 18:42:23,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 18:42:23,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:42:23,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 18:42:23,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 18:42:23,486 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-08-21 18:42:23,862 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:42:24,129 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:24,381 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:24,590 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:25,295 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:42:26,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:42:26,657 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2020-08-21 18:42:26,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 18:42:26,658 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 18:42:26,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:42:26,661 INFO L225 Difference]: With dead ends: 366 [2020-08-21 18:42:26,662 INFO L226 Difference]: Without dead ends: 285 [2020-08-21 18:42:26,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-21 18:42:26,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-08-21 18:42:26,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2020-08-21 18:42:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-08-21 18:42:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2020-08-21 18:42:26,735 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2020-08-21 18:42:26,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:42:26,736 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2020-08-21 18:42:26,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 18:42:26,736 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2020-08-21 18:42:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 18:42:26,738 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:42:26,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:42:26,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 18:42:26,739 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:42:26,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:42:26,739 INFO L82 PathProgramCache]: Analyzing trace with hash 186070900, now seen corresponding path program 1 times [2020-08-21 18:42:26,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:42:26,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395870895] [2020-08-21 18:42:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:42:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:26,994 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:42:26,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:42:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:27,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:42:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:27,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:42:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:42:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:42:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:27,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 18:42:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:27,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 18:42:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:27,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-21 18:42:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:42:27,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395870895] [2020-08-21 18:42:27,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:42:27,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 18:42:27,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163383034] [2020-08-21 18:42:27,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 18:42:27,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:42:27,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 18:42:27,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 18:42:27,099 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 8 states. [2020-08-21 18:42:27,491 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:42:28,444 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:28,773 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:29,036 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:29,255 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:42:29,595 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 18:42:30,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:42:30,275 INFO L93 Difference]: Finished difference Result 725 states and 949 transitions. [2020-08-21 18:42:30,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 18:42:30,276 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-21 18:42:30,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:42:30,282 INFO L225 Difference]: With dead ends: 725 [2020-08-21 18:42:30,282 INFO L226 Difference]: Without dead ends: 525 [2020-08-21 18:42:30,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-21 18:42:30,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-08-21 18:42:30,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 403. [2020-08-21 18:42:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-08-21 18:42:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 490 transitions. [2020-08-21 18:42:30,399 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 490 transitions. Word has length 57 [2020-08-21 18:42:30,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:42:30,399 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 490 transitions. [2020-08-21 18:42:30,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 18:42:30,400 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 490 transitions. [2020-08-21 18:42:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-21 18:42:30,402 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:42:30,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:42:30,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 18:42:30,403 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:42:30,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:42:30,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1322088904, now seen corresponding path program 1 times [2020-08-21 18:42:30,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:42:30,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2024206134] [2020-08-21 18:42:30,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:42:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,653 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:42:30,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:42:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 18:42:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:42:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 18:42:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 18:42:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-21 18:42:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 18:42:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 18:42:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 18:42:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:42:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 18:42:30,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2024206134] [2020-08-21 18:42:30,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:42:30,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 18:42:30,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273982791] [2020-08-21 18:42:30,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 18:42:30,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:42:30,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 18:42:30,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 18:42:30,772 INFO L87 Difference]: Start difference. First operand 403 states and 490 transitions. Second operand 9 states. [2020-08-21 18:42:31,182 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 18:42:32,026 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:32,282 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:32,546 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 18:42:32,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:42:32,890 INFO L93 Difference]: Finished difference Result 785 states and 1041 transitions. [2020-08-21 18:42:32,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 18:42:32,890 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-21 18:42:32,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:42:32,891 INFO L225 Difference]: With dead ends: 785 [2020-08-21 18:42:32,891 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 18:42:32,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-21 18:42:32,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 18:42:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 18:42:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 18:42:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 18:42:32,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-21 18:42:32,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:42:32,895 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 18:42:32,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 18:42:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 18:42:32,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 18:42:32,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 18:42:32,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 18:42:36,601 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-21 18:42:36,785 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 18:42:36,943 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-21 18:42:37,133 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 18:42:37,287 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 18:42:37,588 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-21 18:42:37,783 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 18:42:38,086 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 18:42:38,249 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-21 18:42:38,548 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-21 18:42:38,853 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 18:42:39,040 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 18:42:39,335 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-21 18:42:39,498 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 18:42:39,796 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-21 18:42:39,953 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 18:42:40,137 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-21 18:42:40,302 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-21 18:42:40,731 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-21 18:42:40,891 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 18:42:41,053 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 18:42:41,219 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-21 18:42:41,393 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-21 18:42:41,690 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-21 18:42:41,707 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-21 18:42:41,707 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 595) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point L596(lines 573 597) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 549 604) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 549 604) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 549 604) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point L637-1(lines 637 641) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point L632(line 632) no Hoare annotation was computed. [2020-08-21 18:42:41,708 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 605 664) no Hoare annotation was computed. [2020-08-21 18:42:41,709 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 656) no Hoare annotation was computed. [2020-08-21 18:42:41,709 INFO L268 CegarLoopResult]: For program point L657(lines 630 658) no Hoare annotation was computed. [2020-08-21 18:42:41,709 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 605 664) no Hoare annotation was computed. [2020-08-21 18:42:41,709 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-08-21 18:42:41,709 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 605 664) no Hoare annotation was computed. [2020-08-21 18:42:41,709 INFO L268 CegarLoopResult]: For program point L650-1(line 650) no Hoare annotation was computed. [2020-08-21 18:42:41,710 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 881 887) the Hoare annotation is: true [2020-08-21 18:42:41,710 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 881 887) no Hoare annotation was computed. [2020-08-21 18:42:41,710 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 888 896) no Hoare annotation was computed. [2020-08-21 18:42:41,710 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 888 896) the Hoare annotation is: true [2020-08-21 18:42:41,711 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 888 896) no Hoare annotation was computed. [2020-08-21 18:42:41,711 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 129 151) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,711 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 129 151) no Hoare annotation was computed. [2020-08-21 18:42:41,711 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,712 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 129 151) no Hoare annotation was computed. [2020-08-21 18:42:41,712 INFO L264 CegarLoopResult]: At program point L141-1(line 141) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,712 INFO L268 CegarLoopResult]: For program point L139(lines 139 146) no Hoare annotation was computed. [2020-08-21 18:42:41,712 INFO L268 CegarLoopResult]: For program point L139-1(lines 139 146) no Hoare annotation was computed. [2020-08-21 18:42:41,712 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-08-21 18:42:41,712 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,713 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,713 INFO L264 CegarLoopResult]: At program point L135-1(line 135) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,713 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 18:42:41,713 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-08-21 18:42:41,713 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-08-21 18:42:41,713 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-08-21 18:42:41,713 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 18:42:41,714 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-21 18:42:41,714 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-08-21 18:42:41,714 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-21 18:42:41,714 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-08-21 18:42:41,714 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 18:42:41,714 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-21 18:42:41,714 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-21 18:42:41,715 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-08-21 18:42:41,715 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-08-21 18:42:41,715 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 18:42:41,715 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-08-21 18:42:41,715 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-08-21 18:42:41,715 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 383 397) no Hoare annotation was computed. [2020-08-21 18:42:41,715 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 383 397) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 18:42:41,716 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 18:42:41,716 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 383 397) no Hoare annotation was computed. [2020-08-21 18:42:41,716 INFO L268 CegarLoopResult]: For program point L387(lines 387 393) no Hoare annotation was computed. [2020-08-21 18:42:41,716 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 319 327) no Hoare annotation was computed. [2020-08-21 18:42:41,716 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 319 327) the Hoare annotation is: true [2020-08-21 18:42:41,716 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 319 327) no Hoare annotation was computed. [2020-08-21 18:42:41,716 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 364 382) the Hoare annotation is: true [2020-08-21 18:42:41,716 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 364 382) no Hoare annotation was computed. [2020-08-21 18:42:41,717 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-08-21 18:42:41,717 INFO L271 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: true [2020-08-21 18:42:41,717 INFO L268 CegarLoopResult]: For program point L373-2(lines 373 377) no Hoare annotation was computed. [2020-08-21 18:42:41,717 INFO L268 CegarLoopResult]: For program point L371-1(line 371) no Hoare annotation was computed. [2020-08-21 18:42:41,717 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 364 382) no Hoare annotation was computed. [2020-08-21 18:42:41,717 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-08-21 18:42:41,717 INFO L268 CegarLoopResult]: For program point L347-2(lines 347 355) no Hoare annotation was computed. [2020-08-21 18:42:41,718 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-08-21 18:42:41,718 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 328 363) no Hoare annotation was computed. [2020-08-21 18:42:41,718 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-08-21 18:42:41,718 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 328 363) no Hoare annotation was computed. [2020-08-21 18:42:41,718 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-08-21 18:42:41,718 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-08-21 18:42:41,718 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 328 363) no Hoare annotation was computed. [2020-08-21 18:42:41,718 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 874 880) no Hoare annotation was computed. [2020-08-21 18:42:41,719 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 874 880) the Hoare annotation is: true [2020-08-21 18:42:41,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 503 548) no Hoare annotation was computed. [2020-08-21 18:42:41,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 503 548) no Hoare annotation was computed. [2020-08-21 18:42:41,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 503 548) no Hoare annotation was computed. [2020-08-21 18:42:41,719 INFO L268 CegarLoopResult]: For program point L830(lines 830 850) no Hoare annotation was computed. [2020-08-21 18:42:41,719 INFO L268 CegarLoopResult]: For program point L830-1(lines 830 850) no Hoare annotation was computed. [2020-08-21 18:42:41,719 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 816 861) no Hoare annotation was computed. [2020-08-21 18:42:41,720 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 816 861) no Hoare annotation was computed. [2020-08-21 18:42:41,720 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 816 861) no Hoare annotation was computed. [2020-08-21 18:42:41,720 INFO L268 CegarLoopResult]: For program point L836(lines 836 843) no Hoare annotation was computed. [2020-08-21 18:42:41,720 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 116 125) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,720 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 116 125) no Hoare annotation was computed. [2020-08-21 18:42:41,720 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 116 125) no Hoare annotation was computed. [2020-08-21 18:42:41,720 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 308 318) no Hoare annotation was computed. [2020-08-21 18:42:41,720 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 308 318) no Hoare annotation was computed. [2020-08-21 18:42:41,721 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-08-21 18:42:41,721 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-08-21 18:42:41,721 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 308 318) no Hoare annotation was computed. [2020-08-21 18:42:41,721 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 300 307) the Hoare annotation is: true [2020-08-21 18:42:41,721 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 300 307) no Hoare annotation was computed. [2020-08-21 18:42:41,721 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 300 307) no Hoare annotation was computed. [2020-08-21 18:42:41,721 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:42:41,722 INFO L268 CegarLoopResult]: For program point L286-1(lines 267 291) no Hoare annotation was computed. [2020-08-21 18:42:41,722 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:42:41,722 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 267 291) no Hoare annotation was computed. [2020-08-21 18:42:41,722 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:42:41,722 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 267 291) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:42:41,722 INFO L268 CegarLoopResult]: For program point L275(lines 275 283) no Hoare annotation was computed. [2020-08-21 18:42:41,722 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:42:41,722 INFO L268 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-08-21 18:42:41,723 INFO L268 CegarLoopResult]: For program point L271(lines 271 288) no Hoare annotation was computed. [2020-08-21 18:42:41,723 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 259 265) no Hoare annotation was computed. [2020-08-21 18:42:41,723 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 259 265) the Hoare annotation is: true [2020-08-21 18:42:41,723 INFO L264 CegarLoopResult]: At program point testENTRY(lines 155 222) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,723 INFO L264 CegarLoopResult]: At program point L215(lines 164 216) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 18:42:41,723 INFO L268 CegarLoopResult]: For program point testFINAL(lines 155 222) no Hoare annotation was computed. [2020-08-21 18:42:41,723 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:42:41,724 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-08-21 18:42:41,724 INFO L264 CegarLoopResult]: At program point L203-1(lines 195 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:42:41,724 INFO L268 CegarLoopResult]: For program point L166(lines 165 214) no Hoare annotation was computed. [2020-08-21 18:42:41,724 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:42:41,724 INFO L268 CegarLoopResult]: For program point L195(lines 195 210) no Hoare annotation was computed. [2020-08-21 18:42:41,724 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:42:41,724 INFO L268 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2020-08-21 18:42:41,725 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2020-08-21 18:42:41,725 INFO L264 CegarLoopResult]: At program point L212(lines 165 214) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:42:41,725 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 18:42:41,725 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-08-21 18:42:41,725 INFO L268 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2020-08-21 18:42:41,725 INFO L268 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2020-08-21 18:42:41,725 INFO L268 CegarLoopResult]: For program point testEXIT(lines 155 222) no Hoare annotation was computed. [2020-08-21 18:42:41,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 770 815) no Hoare annotation was computed. [2020-08-21 18:42:41,726 INFO L268 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-08-21 18:42:41,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 770 815) no Hoare annotation was computed. [2020-08-21 18:42:41,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 770 815) no Hoare annotation was computed. [2020-08-21 18:42:41,726 INFO L268 CegarLoopResult]: For program point L784(lines 784 804) no Hoare annotation was computed. [2020-08-21 18:42:41,726 INFO L268 CegarLoopResult]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2020-08-21 18:42:41,726 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 487 495) no Hoare annotation was computed. [2020-08-21 18:42:41,726 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 487 495) the Hoare annotation is: true [2020-08-21 18:42:41,726 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 487 495) no Hoare annotation was computed. [2020-08-21 18:42:41,727 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-08-21 18:42:41,727 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2020-08-21 18:42:41,727 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 455 477) no Hoare annotation was computed. [2020-08-21 18:42:41,727 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 455 477) no Hoare annotation was computed. [2020-08-21 18:42:41,727 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 455 477) no Hoare annotation was computed. [2020-08-21 18:42:41,727 INFO L268 CegarLoopResult]: For program point L737(lines 715 738) no Hoare annotation was computed. [2020-08-21 18:42:41,727 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 667 769) no Hoare annotation was computed. [2020-08-21 18:42:41,727 INFO L268 CegarLoopResult]: For program point L696(lines 696 712) no Hoare annotation was computed. [2020-08-21 18:42:41,728 INFO L268 CegarLoopResult]: For program point L756(lines 756 763) no Hoare annotation was computed. [2020-08-21 18:42:41,728 INFO L268 CegarLoopResult]: For program point L717(lines 716 736) no Hoare annotation was computed. [2020-08-21 18:42:41,728 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-21 18:42:41,728 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-08-21 18:42:41,728 INFO L268 CegarLoopResult]: For program point L713(lines 713 754) no Hoare annotation was computed. [2020-08-21 18:42:41,728 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 667 769) no Hoare annotation was computed. [2020-08-21 18:42:41,728 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-08-21 18:42:41,728 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-08-21 18:42:41,729 INFO L268 CegarLoopResult]: For program point L691(lines 691 695) no Hoare annotation was computed. [2020-08-21 18:42:41,729 INFO L268 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2020-08-21 18:42:41,729 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 667 769) no Hoare annotation was computed. [2020-08-21 18:42:41,729 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-08-21 18:42:41,729 INFO L268 CegarLoopResult]: For program point L716-2(lines 716 736) no Hoare annotation was computed. [2020-08-21 18:42:41,729 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 864 873) no Hoare annotation was computed. [2020-08-21 18:42:41,729 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 864 873) no Hoare annotation was computed. [2020-08-21 18:42:41,729 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 864 873) no Hoare annotation was computed. [2020-08-21 18:42:41,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:42:41,730 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 18:42:41,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:42:41,730 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 292 299) no Hoare annotation was computed. [2020-08-21 18:42:41,730 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 292 299) no Hoare annotation was computed. [2020-08-21 18:42:41,731 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 292 299) no Hoare annotation was computed. [2020-08-21 18:42:41,731 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 478 486) no Hoare annotation was computed. [2020-08-21 18:42:41,731 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 478 486) no Hoare annotation was computed. [2020-08-21 18:42:41,731 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 478 486) no Hoare annotation was computed. [2020-08-21 18:42:41,731 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 434 445) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 18:42:41,731 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 434 445) no Hoare annotation was computed. [2020-08-21 18:42:41,731 INFO L268 CegarLoopResult]: For program point L438-1(lines 434 445) no Hoare annotation was computed. [2020-08-21 18:42:41,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:42:41,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 18:42:41,732 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:42:41,732 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:42:41,732 INFO L264 CegarLoopResult]: At program point L246(lines 246 252) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:42:41,732 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 18:42:41,733 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 235 258) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 18:42:41,733 INFO L268 CegarLoopResult]: For program point L239(lines 238 257) no Hoare annotation was computed. [2020-08-21 18:42:41,733 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 235 258) no Hoare annotation was computed. [2020-08-21 18:42:41,733 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 235 258) no Hoare annotation was computed. [2020-08-21 18:42:41,733 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-08-21 18:42:41,733 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-08-21 18:42:41,734 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-08-21 18:42:41,734 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-08-21 18:42:41,734 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-08-21 18:42:41,734 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-08-21 18:42:41,734 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-08-21 18:42:41,734 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-08-21 18:42:41,734 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-08-21 18:42:41,735 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-08-21 18:42:41,735 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 446 454) the Hoare annotation is: true [2020-08-21 18:42:41,735 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 446 454) no Hoare annotation was computed. [2020-08-21 18:42:41,735 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 446 454) no Hoare annotation was computed. [2020-08-21 18:42:41,735 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 410 421) the Hoare annotation is: true [2020-08-21 18:42:41,735 INFO L268 CegarLoopResult]: For program point L414-1(lines 410 421) no Hoare annotation was computed. [2020-08-21 18:42:41,736 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 410 421) no Hoare annotation was computed. [2020-08-21 18:42:41,736 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-08-21 18:42:41,736 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-08-21 18:42:41,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:42:41,736 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 18:42:41,737 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 18:42:41,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:42:41,737 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 398 405) no Hoare annotation was computed. [2020-08-21 18:42:41,737 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 398 405) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-21 18:42:41,737 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 398 405) no Hoare annotation was computed. [2020-08-21 18:42:41,737 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 422 433) no Hoare annotation was computed. [2020-08-21 18:42:41,738 INFO L268 CegarLoopResult]: For program point L426-1(lines 422 433) no Hoare annotation was computed. [2020-08-21 18:42:41,738 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 422 433) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 18:42:41,738 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-21 18:42:41,738 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-21 18:42:41,738 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-21 18:42:41,739 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-21 18:42:41,739 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 898 922) the Hoare annotation is: true [2020-08-21 18:42:41,739 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 898 922) no Hoare annotation was computed. [2020-08-21 18:42:41,739 INFO L264 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 18:42:41,739 INFO L268 CegarLoopResult]: For program point L910(lines 910 916) no Hoare annotation was computed. [2020-08-21 18:42:41,739 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-21 18:42:41,740 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-08-21 18:42:41,740 INFO L268 CegarLoopResult]: For program point L906(lines 906 919) no Hoare annotation was computed. [2020-08-21 18:42:41,740 INFO L268 CegarLoopResult]: For program point L906-1(lines 898 922) no Hoare annotation was computed. [2020-08-21 18:42:41,740 INFO L271 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: true [2020-08-21 18:42:41,740 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-08-21 18:42:41,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 06:42:41 BoogieIcfgContainer [2020-08-21 18:42:41,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 18:42:41,759 INFO L168 Benchmark]: Toolchain (without parser) took 24261.57 ms. Allocated memory was 140.5 MB in the beginning and 632.8 MB in the end (delta: 492.3 MB). Free memory was 102.3 MB in the beginning and 119.6 MB in the end (delta: -17.3 MB). Peak memory consumption was 480.9 MB. Max. memory is 7.1 GB. [2020-08-21 18:42:41,760 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 18:42:41,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.88 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.9 MB in the beginning and 171.0 MB in the end (delta: -69.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-08-21 18:42:41,762 INFO L168 Benchmark]: Boogie Preprocessor took 127.40 ms. Allocated memory is still 203.4 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-21 18:42:41,763 INFO L168 Benchmark]: RCFGBuilder took 1118.27 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 166.9 MB in the beginning and 194.6 MB in the end (delta: -27.6 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2020-08-21 18:42:41,764 INFO L168 Benchmark]: TraceAbstraction took 22375.59 ms. Allocated memory was 234.9 MB in the beginning and 632.8 MB in the end (delta: 397.9 MB). Free memory was 194.6 MB in the beginning and 119.6 MB in the end (delta: 74.9 MB). Peak memory consumption was 478.8 MB. Max. memory is 7.1 GB. [2020-08-21 18:42:41,768 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.88 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 101.9 MB in the beginning and 171.0 MB in the end (delta: -69.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.40 ms. Allocated memory is still 203.4 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1118.27 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 166.9 MB in the beginning and 194.6 MB in the end (delta: -27.6 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22375.59 ms. Allocated memory was 234.9 MB in the beginning and 632.8 MB in the end (delta: 397.9 MB). Free memory was 194.6 MB in the beginning and 119.6 MB in the end (delta: 74.9 MB). Peak memory consumption was 478.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 165]: 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 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 740 SDslu, 464 SDs, 0 SdLazy, 2159 SolverSat, 481 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred 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, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 705 HoareAnnotationTreeSize, 505 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17276 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 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...