/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:51:51,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:51:51,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:51:51,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:51:51,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:51:51,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:51:51,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:51:51,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:51:51,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:51:51,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:51:51,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:51:51,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:51:51,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:51:51,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:51:51,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:51:51,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:51:51,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:51:51,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:51:51,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:51:51,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:51:51,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:51:51,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:51:51,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:51:51,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:51:51,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:51:51,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:51:51,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:51:51,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:51:51,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:51:51,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:51:51,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:51:51,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:51:51,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:51:51,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:51:51,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:51:51,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:51:51,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:51:51,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:51:51,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:51:51,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:51:51,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:51:51,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 20:51:51,305 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:51:51,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:51:51,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:51:51,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:51:51,307 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:51:51,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:51:51,308 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:51:51,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:51:51,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:51:51,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:51:51,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:51:51,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:51:51,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:51:51,310 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:51:51,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:51:51,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:51:51,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:51:51,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:51:51,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:51:51,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:51:51,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:51:51,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:51:51,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:51:51,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:51:51,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:51:51,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:51:51,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:51:51,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:51:51,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:51:51,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 20:51:51,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:51:51,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:51:51,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:51:51,628 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:51:51,628 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:51:51,629 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-08-18 20:51:51,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32344fa73/7d1d98fd6359428b8f5a9a9b22382194/FLAG524426c97 [2020-08-18 20:51:52,219 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:51:52,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-08-18 20:51:52,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32344fa73/7d1d98fd6359428b8f5a9a9b22382194/FLAG524426c97 [2020-08-18 20:51:52,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32344fa73/7d1d98fd6359428b8f5a9a9b22382194 [2020-08-18 20:51:52,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:51:52,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:51:52,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:51:52,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:51:52,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:51:52,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:51:52" (1/1) ... [2020-08-18 20:51:52,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503bbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:52, skipping insertion in model container [2020-08-18 20:51:52,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:51:52" (1/1) ... [2020-08-18 20:51:52,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:51:52,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:51:53,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:51:53,055 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:51:53,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:51:53,173 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:51:53,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53 WrapperNode [2020-08-18 20:51:53,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:51:53,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:51:53,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:51:53,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:51:53,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (1/1) ... [2020-08-18 20:51:53,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (1/1) ... [2020-08-18 20:51:53,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (1/1) ... [2020-08-18 20:51:53,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (1/1) ... [2020-08-18 20:51:53,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (1/1) ... [2020-08-18 20:51:53,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (1/1) ... [2020-08-18 20:51:53,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (1/1) ... [2020-08-18 20:51:53,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:51:53,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:51:53,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:51:53,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:51:53,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:51:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:51:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:51:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:51:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:51:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:51:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:51:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:51:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:51:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:51:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:51:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:51:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:51:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:51:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:51:53,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:51:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 20:51:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 20:51:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:51:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:51:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:51:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:51:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:51:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:51:53,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:51:53,330 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:51:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 20:51:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 20:51:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:51:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:51:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:51:53,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:51:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:51:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:51:53,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 20:51:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 20:51:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 20:51:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:51:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:51:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:51:53,333 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:51:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:51:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:51:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:51:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:51:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:51:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:51:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:51:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:51:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:51:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:51:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:51:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:51:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:51:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:51:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:51:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:51:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:51:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:51:53,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:51:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:51:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:51:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:51:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:51:53,337 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:51:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:51:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:51:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 20:51:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:51:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:51:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 20:51:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 20:51:53,339 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 20:51:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:51:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:51:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:51:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:51:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:51:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:51:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:51:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:51:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:51:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:51:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:51:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:51:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:51:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:51:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 20:51:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 20:51:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 20:51:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:51:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:51:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:51:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:51:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:51:54,513 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:51:54,513 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:51:54,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:51:54 BoogieIcfgContainer [2020-08-18 20:51:54,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:51:54,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:51:54,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:51:54,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:51:54,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:51:52" (1/3) ... [2020-08-18 20:51:54,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a955d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:51:54, skipping insertion in model container [2020-08-18 20:51:54,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:53" (2/3) ... [2020-08-18 20:51:54,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a955d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:51:54, skipping insertion in model container [2020-08-18 20:51:54,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:51:54" (3/3) ... [2020-08-18 20:51:54,527 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-08-18 20:51:54,538 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:51:54,546 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:51:54,560 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:51:54,587 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:51:54,587 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:51:54,587 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:51:54,587 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:51:54,588 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:51:54,588 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:51:54,588 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:51:54,588 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:51:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2020-08-18 20:51:54,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 20:51:54,624 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:51:54,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:51:54,626 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:51:54,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:51:54,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1314416883, now seen corresponding path program 1 times [2020-08-18 20:51:54,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:51:54,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200762507] [2020-08-18 20:51:54,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:51:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:55,284 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:55,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:51:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:55,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:51:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:55,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:51:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:51:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:55,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:51:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:55,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 20:51:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:55,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:51:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:51:55,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200762507] [2020-08-18 20:51:55,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:51:55,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 20:51:55,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758218481] [2020-08-18 20:51:55,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 20:51:55,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:51:55,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 20:51:55,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:51:55,426 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 3 states. [2020-08-18 20:51:56,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:51:56,651 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2020-08-18 20:51:56,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 20:51:56,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 20:51:56,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:51:56,669 INFO L225 Difference]: With dead ends: 302 [2020-08-18 20:51:56,669 INFO L226 Difference]: Without dead ends: 164 [2020-08-18 20:51:56,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:51:56,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-18 20:51:56,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-08-18 20:51:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-08-18 20:51:56,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2020-08-18 20:51:56,781 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2020-08-18 20:51:56,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:51:56,782 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2020-08-18 20:51:56,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 20:51:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2020-08-18 20:51:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 20:51:56,791 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:51:56,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:51:56,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:51:56,792 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:51:56,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:51:56,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1074186407, now seen corresponding path program 1 times [2020-08-18 20:51:56,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:51:56,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317643972] [2020-08-18 20:51:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:51:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:57,151 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:57,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:51:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:57,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:51:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:57,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:51:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:57,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:51:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:57,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:51:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:57,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 20:51:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:57,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:51:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:51:57,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317643972] [2020-08-18 20:51:57,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:51:57,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:51:57,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062098659] [2020-08-18 20:51:57,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:51:57,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:51:57,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:51:57,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:51:57,197 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 4 states. [2020-08-18 20:51:57,576 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:51:58,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:51:58,387 INFO L93 Difference]: Finished difference Result 225 states and 278 transitions. [2020-08-18 20:51:58,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:51:58,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 20:51:58,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:51:58,391 INFO L225 Difference]: With dead ends: 225 [2020-08-18 20:51:58,392 INFO L226 Difference]: Without dead ends: 148 [2020-08-18 20:51:58,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:51:58,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-18 20:51:58,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2020-08-18 20:51:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-18 20:51:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-08-18 20:51:58,448 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-08-18 20:51:58,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:51:58,449 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-08-18 20:51:58,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:51:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-08-18 20:51:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 20:51:58,454 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:51:58,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:51:58,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:51:58,455 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:51:58,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:51:58,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1137714934, now seen corresponding path program 1 times [2020-08-18 20:51:58,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:51:58,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323164838] [2020-08-18 20:51:58,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:51:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:58,889 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:51:58,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:51:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:51:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:58,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:51:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:58,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:51:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:58,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:51:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:51:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:58,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 20:51:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:51:58,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:51:58,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323164838] [2020-08-18 20:51:58,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:51:58,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:51:58,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545908561] [2020-08-18 20:51:58,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:51:58,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:51:58,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:51:58,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:51:58,963 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 8 states. [2020-08-18 20:51:59,287 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:51:59,620 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:51:59,904 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:52:00,143 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:52:00,856 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:52:02,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:52:02,581 INFO L93 Difference]: Finished difference Result 415 states and 520 transitions. [2020-08-18 20:52:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 20:52:02,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 20:52:02,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:52:02,587 INFO L225 Difference]: With dead ends: 415 [2020-08-18 20:52:02,587 INFO L226 Difference]: Without dead ends: 319 [2020-08-18 20:52:02,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 20:52:02,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-08-18 20:52:02,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 254. [2020-08-18 20:52:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-08-18 20:52:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 310 transitions. [2020-08-18 20:52:02,712 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 310 transitions. Word has length 52 [2020-08-18 20:52:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:52:02,712 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 310 transitions. [2020-08-18 20:52:02,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:52:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 310 transitions. [2020-08-18 20:52:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 20:52:02,717 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:52:02,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:52:02,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:52:02,718 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:52:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:52:02,718 INFO L82 PathProgramCache]: Analyzing trace with hash -430999927, now seen corresponding path program 1 times [2020-08-18 20:52:02,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:52:02,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628234978] [2020-08-18 20:52:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:52:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,111 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:52:03,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:52:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:52:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:52:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:52:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:52:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 20:52:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 20:52:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 20:52:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:52:03,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628234978] [2020-08-18 20:52:03,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:52:03,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:52:03,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617454985] [2020-08-18 20:52:03,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:52:03,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:52:03,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:52:03,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:52:03,265 INFO L87 Difference]: Start difference. First operand 254 states and 310 transitions. Second operand 8 states. [2020-08-18 20:52:03,565 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:52:04,541 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:52:04,908 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:52:05,160 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:52:05,441 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:52:05,951 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:52:06,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:52:06,857 INFO L93 Difference]: Finished difference Result 823 states and 1081 transitions. [2020-08-18 20:52:06,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 20:52:06,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 20:52:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:52:06,866 INFO L225 Difference]: With dead ends: 823 [2020-08-18 20:52:06,866 INFO L226 Difference]: Without dead ends: 593 [2020-08-18 20:52:06,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 20:52:06,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-08-18 20:52:06,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 463. [2020-08-18 20:52:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-18 20:52:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 570 transitions. [2020-08-18 20:52:06,998 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 570 transitions. Word has length 57 [2020-08-18 20:52:06,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:52:06,999 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 570 transitions. [2020-08-18 20:52:06,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:52:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 570 transitions. [2020-08-18 20:52:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 20:52:07,002 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:52:07,002 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] [2020-08-18 20:52:07,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:52:07,002 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:52:07,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:52:07,003 INFO L82 PathProgramCache]: Analyzing trace with hash -83486899, now seen corresponding path program 1 times [2020-08-18 20:52:07,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:52:07,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545205579] [2020-08-18 20:52:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:52:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,316 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:52:07,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:52:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:52:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:52:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:52:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:52:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 20:52:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:52:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 20:52:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 20:52:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:52:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:52:07,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545205579] [2020-08-18 20:52:07,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:52:07,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:52:07,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342760804] [2020-08-18 20:52:07,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:52:07,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:52:07,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:52:07,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:52:07,407 INFO L87 Difference]: Start difference. First operand 463 states and 570 transitions. Second operand 9 states. [2020-08-18 20:52:07,834 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:52:08,751 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:52:08,986 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:52:09,228 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:52:09,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:52:09,597 INFO L93 Difference]: Finished difference Result 865 states and 1149 transitions. [2020-08-18 20:52:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 20:52:09,603 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 20:52:09,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:52:09,604 INFO L225 Difference]: With dead ends: 865 [2020-08-18 20:52:09,604 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:52:09,607 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 [2020-08-18 20:52:09,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:52:09,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:52:09,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:52:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:52:09,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 20:52:09,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:52:09,609 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:52:09,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:52:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:52:09,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:52:09,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:52:09,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:52:13,474 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 20:52:13,647 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:52:13,838 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:52:14,044 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 20:52:14,368 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 20:52:14,684 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-18 20:52:14,890 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:52:15,253 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 20:52:15,428 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 20:52:15,602 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 20:52:15,918 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 20:52:16,105 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 20:52:16,442 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 20:52:16,800 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 20:52:16,987 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:52:17,161 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:52:17,323 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:52:17,479 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 20:52:17,653 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 20:52:17,848 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 20:52:18,193 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 20:52:18,373 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 20:52:18,694 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 20:52:19,025 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 20:52:19,187 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:52:19,491 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 20:52:19,496 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 20:52:19,496 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 20:52:19,497 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 20:52:19,497 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 20:52:19,497 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:52:19,497 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 20:52:19,497 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:52:19,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 20:52:19,498 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 20:52:19,498 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 20:52:19,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:52:19,498 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 20:52:19,498 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 20:52:19,499 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 20:52:19,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:52:19,499 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 20:52:19,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 20:52:19,499 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 20:52:19,499 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 933 939) the Hoare annotation is: true [2020-08-18 20:52:19,499 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 933 939) no Hoare annotation was computed. [2020-08-18 20:52:19,500 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 940 948) no Hoare annotation was computed. [2020-08-18 20:52:19,500 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 940 948) the Hoare annotation is: true [2020-08-18 20:52:19,500 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 940 948) no Hoare annotation was computed. [2020-08-18 20:52:19,500 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 688 710) 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))) [2020-08-18 20:52:19,500 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:52:19,500 INFO L264 CegarLoopResult]: At program point L700-1(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:52:19,501 INFO L268 CegarLoopResult]: For program point L698(lines 698 705) no Hoare annotation was computed. [2020-08-18 20:52:19,501 INFO L268 CegarLoopResult]: For program point L698-1(lines 698 705) no Hoare annotation was computed. [2020-08-18 20:52:19,501 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 688 710) no Hoare annotation was computed. [2020-08-18 20:52:19,501 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-08-18 20:52:19,501 INFO L264 CegarLoopResult]: At program point L695(line 695) 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))) [2020-08-18 20:52:19,501 INFO L264 CegarLoopResult]: At program point L694(line 694) 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))) [2020-08-18 20:52:19,502 INFO L264 CegarLoopResult]: At program point L694-1(line 694) 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))) [2020-08-18 20:52:19,502 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 688 710) no Hoare annotation was computed. [2020-08-18 20:52:19,502 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 644 667) no Hoare annotation was computed. [2020-08-18 20:52:19,502 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 644 667) no Hoare annotation was computed. [2020-08-18 20:52:19,502 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 644 667) no Hoare annotation was computed. [2020-08-18 20:52:19,502 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-08-18 20:52:19,502 INFO L268 CegarLoopResult]: For program point L661(line 661) no Hoare annotation was computed. [2020-08-18 20:52:19,502 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-08-18 20:52:19,503 INFO L268 CegarLoopResult]: For program point L659(line 659) no Hoare annotation was computed. [2020-08-18 20:52:19,503 INFO L268 CegarLoopResult]: For program point L658(line 658) no Hoare annotation was computed. [2020-08-18 20:52:19,503 INFO L268 CegarLoopResult]: For program point L657(line 657) no Hoare annotation was computed. [2020-08-18 20:52:19,503 INFO L268 CegarLoopResult]: For program point L656(line 656) no Hoare annotation was computed. [2020-08-18 20:52:19,503 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-08-18 20:52:19,503 INFO L268 CegarLoopResult]: For program point L654(line 654) no Hoare annotation was computed. [2020-08-18 20:52:19,503 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-08-18 20:52:19,503 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-08-18 20:52:19,504 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-08-18 20:52:19,504 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-08-18 20:52:19,504 INFO L268 CegarLoopResult]: For program point L649(line 649) no Hoare annotation was computed. [2020-08-18 20:52:19,504 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 20:52:19,504 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-08-18 20:52:19,504 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-08-18 20:52:19,504 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:52:19,504 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-08-18 20:52:19,504 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-08-18 20:52:19,504 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-08-18 20:52:19,505 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 926 932) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 926 932) the Hoare annotation is: true [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:52:19,506 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 20:52:19,507 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 20:52:19,507 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:52:19,507 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 20:52:19,507 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 675 684) 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))) [2020-08-18 20:52:19,507 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 675 684) no Hoare annotation was computed. [2020-08-18 20:52:19,507 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 675 684) no Hoare annotation was computed. [2020-08-18 20:52:19,507 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-08-18 20:52:19,507 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-08-18 20:52:19,507 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-08-18 20:52:19,507 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-08-18 20:52:19,507 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-08-18 20:52:19,508 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2020-08-18 20:52:19,508 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-08-18 20:52:19,508 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-08-18 20:52:19,508 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,508 INFO L268 CegarLoopResult]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2020-08-18 20:52:19,508 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 775 799) no Hoare annotation was computed. [2020-08-18 20:52:19,508 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,509 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 775 799) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,509 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,509 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-08-18 20:52:19,509 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,509 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-08-18 20:52:19,509 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-08-18 20:52:19,509 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 741 747) no Hoare annotation was computed. [2020-08-18 20:52:19,510 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 741 747) the Hoare annotation is: true [2020-08-18 20:52:19,510 INFO L264 CegarLoopResult]: At program point testENTRY(lines 543 610) 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))) [2020-08-18 20:52:19,510 INFO L264 CegarLoopResult]: At program point L603(lines 552 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:52:19,510 INFO L268 CegarLoopResult]: For program point testFINAL(lines 543 610) no Hoare annotation was computed. [2020-08-18 20:52:19,510 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:52:19,510 INFO L268 CegarLoopResult]: For program point L591(lines 591 597) no Hoare annotation was computed. [2020-08-18 20:52:19,510 INFO L264 CegarLoopResult]: At program point L591-1(lines 583 598) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:52:19,510 INFO L268 CegarLoopResult]: For program point L554(lines 553 602) no Hoare annotation was computed. [2020-08-18 20:52:19,510 INFO L264 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:52:19,510 INFO L268 CegarLoopResult]: For program point L583(lines 583 598) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L264 CegarLoopResult]: At program point L600(lines 553 602) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:52:19,511 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point testEXIT(lines 543 610) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:52:19,511 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-08-18 20:52:19,512 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:52:19,513 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 20:52:19,514 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 916 925) no Hoare annotation was computed. [2020-08-18 20:52:19,515 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 916 925) no Hoare annotation was computed. [2020-08-18 20:52:19,515 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 916 925) no Hoare annotation was computed. [2020-08-18 20:52:19,515 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:52:19,515 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 20:52:19,515 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:52:19,515 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 800 807) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 800 807) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 800 807) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:52:19,516 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 20:52:19,517 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-08-18 20:52:19,517 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-08-18 20:52:19,517 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-08-18 20:52:19,517 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-08-18 20:52:19,517 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-08-18 20:52:19,517 INFO L264 CegarLoopResult]: At program point L730(line 730) 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))) [2020-08-18 20:52:19,517 INFO L264 CegarLoopResult]: At program point L728(lines 728 734) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,517 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 20:52:19,518 INFO L268 CegarLoopResult]: For program point L721(lines 720 739) no Hoare annotation was computed. [2020-08-18 20:52:19,518 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 717 740) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,518 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 717 740) no Hoare annotation was computed. [2020-08-18 20:52:19,518 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 717 740) no Hoare annotation was computed. [2020-08-18 20:52:19,518 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 613 642) no Hoare annotation was computed. [2020-08-18 20:52:19,518 INFO L271 CegarLoopResult]: At program point L638(lines 613 642) the Hoare annotation is: true [2020-08-18 20:52:19,518 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 613 642) the Hoare annotation is: true [2020-08-18 20:52:19,518 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-08-18 20:52:19,519 INFO L268 CegarLoopResult]: For program point L627(lines 627 631) no Hoare annotation was computed. [2020-08-18 20:52:19,519 INFO L271 CegarLoopResult]: At program point L627-1(lines 627 631) the Hoare annotation is: true [2020-08-18 20:52:19,519 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-08-18 20:52:19,519 INFO L271 CegarLoopResult]: At program point L623-2(lines 623 637) the Hoare annotation is: true [2020-08-18 20:52:19,519 INFO L271 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: true [2020-08-18 20:52:19,519 INFO L268 CegarLoopResult]: For program point L619-1(line 619) no Hoare annotation was computed. [2020-08-18 20:52:19,519 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-08-18 20:52:19,519 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-08-18 20:52:19,520 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-08-18 20:52:19,520 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 668 674) no Hoare annotation was computed. [2020-08-18 20:52:19,520 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 668 674) the Hoare annotation is: true [2020-08-18 20:52:19,520 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:52:19,520 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 20:52:19,520 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:52:19,520 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:52:19,521 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 906 913) no Hoare annotation was computed. [2020-08-18 20:52:19,521 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 906 913) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 20:52:19,521 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 906 913) no Hoare annotation was computed. [2020-08-18 20:52:19,521 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-08-18 20:52:19,521 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-08-18 20:52:19,521 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 20:52:19,521 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-08-18 20:52:19,522 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-08-18 20:52:19,522 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-08-18 20:52:19,522 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-08-18 20:52:19,522 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-08-18 20:52:19,522 INFO L268 CegarLoopResult]: For program point L512(lines 512 525) no Hoare annotation was computed. [2020-08-18 20:52:19,522 INFO L268 CegarLoopResult]: For program point L512-1(lines 504 528) no Hoare annotation was computed. [2020-08-18 20:52:19,522 INFO L271 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: true [2020-08-18 20:52:19,523 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-08-18 20:52:19,523 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 504 528) the Hoare annotation is: true [2020-08-18 20:52:19,523 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 504 528) no Hoare annotation was computed. [2020-08-18 20:52:19,523 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 20:52:19,523 INFO L268 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-08-18 20:52:19,523 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 20:52:19,523 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,523 INFO L268 CegarLoopResult]: For program point L768-1(lines 749 773) no Hoare annotation was computed. [2020-08-18 20:52:19,524 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 749 773) no Hoare annotation was computed. [2020-08-18 20:52:19,524 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,524 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 749 773) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,524 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,524 INFO L268 CegarLoopResult]: For program point L757(lines 757 765) no Hoare annotation was computed. [2020-08-18 20:52:19,524 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:52:19,524 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-08-18 20:52:19,525 INFO L268 CegarLoopResult]: For program point L753(lines 753 770) no Hoare annotation was computed. [2020-08-18 20:52:19,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:52:19 BoogieIcfgContainer [2020-08-18 20:52:19,543 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:52:19,545 INFO L168 Benchmark]: Toolchain (without parser) took 27047.79 ms. Allocated memory was 138.4 MB in the beginning and 610.3 MB in the end (delta: 471.9 MB). Free memory was 100.6 MB in the beginning and 144.6 MB in the end (delta: -44.0 MB). Peak memory consumption was 492.8 MB. Max. memory is 7.1 GB. [2020-08-18 20:52:19,546 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:52:19,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.68 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 170.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-08-18 20:52:19,547 INFO L168 Benchmark]: Boogie Preprocessor took 88.58 ms. Allocated memory is still 203.4 MB. Free memory was 170.8 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 20:52:19,548 INFO L168 Benchmark]: RCFGBuilder took 1254.65 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 166.6 MB in the beginning and 196.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-08-18 20:52:19,549 INFO L168 Benchmark]: TraceAbstraction took 25023.38 ms. Allocated memory was 234.9 MB in the beginning and 610.3 MB in the end (delta: 375.4 MB). Free memory was 195.4 MB in the beginning and 144.6 MB in the end (delta: 50.8 MB). Peak memory consumption was 491.2 MB. Max. memory is 7.1 GB. [2020-08-18 20:52:19,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.68 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 170.8 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.58 ms. Allocated memory is still 203.4 MB. Free memory was 170.8 MB in the beginning and 166.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1254.65 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 166.6 MB in the beginning and 196.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25023.38 ms. Allocated memory was 234.9 MB in the beginning and 610.3 MB in the end (delta: 375.4 MB). Free memory was 195.4 MB in the beginning and 144.6 MB in the end (delta: 50.8 MB). Peak memory consumption was 491.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 553]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 560 SDtfs, 853 SDslu, 494 SDs, 0 SdLazy, 2412 SolverSat, 560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred 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, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 651 PreInvPairs, 754 NumberOfFragments, 753 HoareAnnotationTreeSize, 651 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 61 FomulaSimplificationsInter, 18981 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s 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...