/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 01:12:01,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 01:12:01,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 01:12:01,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 01:12:01,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 01:12:01,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 01:12:01,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 01:12:01,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 01:12:01,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 01:12:01,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 01:12:01,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 01:12:01,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 01:12:01,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 01:12:01,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 01:12:01,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 01:12:01,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 01:12:01,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 01:12:01,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 01:12:01,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 01:12:01,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 01:12:01,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 01:12:01,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 01:12:01,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 01:12:01,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 01:12:01,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 01:12:01,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 01:12:01,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 01:12:01,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 01:12:01,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 01:12:01,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 01:12:01,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 01:12:01,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 01:12:01,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 01:12:01,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 01:12:01,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 01:12:01,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 01:12:01,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 01:12:01,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 01:12:01,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 01:12:01,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 01:12:01,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 01:12:01,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 01:12:01,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 01:12:01,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 01:12:01,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 01:12:01,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 01:12:01,247 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 01:12:01,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 01:12:01,247 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 01:12:01,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 01:12:01,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 01:12:01,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 01:12:01,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 01:12:01,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 01:12:01,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 01:12:01,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 01:12:01,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 01:12:01,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 01:12:01,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 01:12:01,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 01:12:01,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 01:12:01,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 01:12:01,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 01:12:01,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:12:01,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 01:12:01,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 01:12:01,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 01:12:01,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 01:12:01,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 01:12:01,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 01:12:01,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 01:12:01,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-08-22 01:12:01,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 01:12:01,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 01:12:01,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 01:12:01,598 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 01:12:01,599 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 01:12:01,599 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2020-08-22 01:12:01,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10e871b1e/fae380a902a64fbda1f7541397f3b889/FLAG5011e014a [2020-08-22 01:12:02,180 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 01:12:02,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2020-08-22 01:12:02,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10e871b1e/fae380a902a64fbda1f7541397f3b889/FLAG5011e014a [2020-08-22 01:12:02,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10e871b1e/fae380a902a64fbda1f7541397f3b889 [2020-08-22 01:12:02,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 01:12:02,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 01:12:02,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 01:12:02,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 01:12:02,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 01:12:02,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:12:02" (1/1) ... [2020-08-22 01:12:02,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190b9cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:02, skipping insertion in model container [2020-08-22 01:12:02,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:12:02" (1/1) ... [2020-08-22 01:12:02,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 01:12:02,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 01:12:03,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:12:03,057 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 01:12:03,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:12:03,181 INFO L208 MainTranslator]: Completed translation [2020-08-22 01:12:03,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03 WrapperNode [2020-08-22 01:12:03,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 01:12:03,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 01:12:03,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 01:12:03,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 01:12:03,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (1/1) ... [2020-08-22 01:12:03,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (1/1) ... [2020-08-22 01:12:03,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (1/1) ... [2020-08-22 01:12:03,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (1/1) ... [2020-08-22 01:12:03,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (1/1) ... [2020-08-22 01:12:03,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (1/1) ... [2020-08-22 01:12:03,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (1/1) ... [2020-08-22 01:12:03,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 01:12:03,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 01:12:03,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 01:12:03,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 01:12:03,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:12:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 01:12:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 01:12:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 01:12:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 01:12:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 01:12:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 01:12:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 01:12:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 01:12:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 01:12:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 01:12:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 01:12:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 01:12:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 01:12:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 01:12:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 01:12:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 01:12:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 01:12:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 01:12:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 01:12:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 01:12:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 01:12:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 01:12:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 01:12:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 01:12:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 01:12:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 01:12:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 01:12:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 01:12:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 01:12:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 01:12:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 01:12:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-22 01:12:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 01:12:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 01:12:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 01:12:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 01:12:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 01:12:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 01:12:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 01:12:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 01:12:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 01:12:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 01:12:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 01:12:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 01:12:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 01:12:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 01:12:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 01:12:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 01:12:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 01:12:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 01:12:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 01:12:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 01:12:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 01:12:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 01:12:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 01:12:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 01:12:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 01:12:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 01:12:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 01:12:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 01:12:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 01:12:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 01:12:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 01:12:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 01:12:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 01:12:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 01:12:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 01:12:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 01:12:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 01:12:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 01:12:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 01:12:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 01:12:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 01:12:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 01:12:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 01:12:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 01:12:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 01:12:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 01:12:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 01:12:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 01:12:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 01:12:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 01:12:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 01:12:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 01:12:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 01:12:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 01:12:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-22 01:12:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 01:12:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 01:12:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 01:12:04,533 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 01:12:04,534 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 01:12:04,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:12:04 BoogieIcfgContainer [2020-08-22 01:12:04,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 01:12:04,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 01:12:04,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 01:12:04,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 01:12:04,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 01:12:02" (1/3) ... [2020-08-22 01:12:04,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c379a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:12:04, skipping insertion in model container [2020-08-22 01:12:04,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:03" (2/3) ... [2020-08-22 01:12:04,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c379a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:12:04, skipping insertion in model container [2020-08-22 01:12:04,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:12:04" (3/3) ... [2020-08-22 01:12:04,548 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2020-08-22 01:12:04,559 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 01:12:04,567 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 01:12:04,582 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 01:12:04,609 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 01:12:04,609 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 01:12:04,609 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 01:12:04,609 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 01:12:04,610 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 01:12:04,610 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 01:12:04,610 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 01:12:04,610 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 01:12:04,634 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-08-22 01:12:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 01:12:04,644 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:04,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:04,646 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:04,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:04,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1168451700, now seen corresponding path program 1 times [2020-08-22 01:12:04,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:04,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946678321] [2020-08-22 01:12:04,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,371 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:05,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 01:12:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 01:12:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:05,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946678321] [2020-08-22 01:12:05,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:05,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 01:12:05,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810769447] [2020-08-22 01:12:05,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 01:12:05,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:05,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 01:12:05,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 01:12:05,590 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 4 states. [2020-08-22 01:12:06,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:06,689 INFO L93 Difference]: Finished difference Result 246 states and 326 transitions. [2020-08-22 01:12:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 01:12:06,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 01:12:06,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:06,707 INFO L225 Difference]: With dead ends: 246 [2020-08-22 01:12:06,707 INFO L226 Difference]: Without dead ends: 139 [2020-08-22 01:12:06,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 01:12:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-08-22 01:12:06,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-08-22 01:12:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-08-22 01:12:06,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-08-22 01:12:06,796 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2020-08-22 01:12:06,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:06,797 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-08-22 01:12:06,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 01:12:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-08-22 01:12:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 01:12:06,801 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:06,801 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] [2020-08-22 01:12:06,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 01:12:06,802 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:06,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:06,802 INFO L82 PathProgramCache]: Analyzing trace with hash 237417072, now seen corresponding path program 1 times [2020-08-22 01:12:06,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:06,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830862036] [2020-08-22 01:12:06,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,160 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:07,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 01:12:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 01:12:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:07,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830862036] [2020-08-22 01:12:07,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:07,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 01:12:07,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531823250] [2020-08-22 01:12:07,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 01:12:07,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:07,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 01:12:07,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 01:12:07,268 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 5 states. [2020-08-22 01:12:07,743 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 01:12:08,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:08,538 INFO L93 Difference]: Finished difference Result 187 states and 233 transitions. [2020-08-22 01:12:08,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 01:12:08,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 01:12:08,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:08,542 INFO L225 Difference]: With dead ends: 187 [2020-08-22 01:12:08,542 INFO L226 Difference]: Without dead ends: 129 [2020-08-22 01:12:08,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:12:08,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-22 01:12:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-08-22 01:12:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 01:12:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-08-22 01:12:08,574 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2020-08-22 01:12:08,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:08,574 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-08-22 01:12:08,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 01:12:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-08-22 01:12:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 01:12:08,577 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:08,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:08,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 01:12:08,578 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:08,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:08,578 INFO L82 PathProgramCache]: Analyzing trace with hash 680325127, now seen corresponding path program 1 times [2020-08-22 01:12:08,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:08,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010583476] [2020-08-22 01:12:08,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:08,928 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:08,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:08,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:08,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:09,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:09,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:09,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 01:12:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 01:12:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:09,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010583476] [2020-08-22 01:12:09,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:09,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 01:12:09,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947823561] [2020-08-22 01:12:09,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 01:12:09,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:09,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 01:12:09,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 01:12:09,096 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 9 states. [2020-08-22 01:12:09,559 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:09,920 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:10,216 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:10,491 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:11,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:11,569 INFO L93 Difference]: Finished difference Result 200 states and 252 transitions. [2020-08-22 01:12:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 01:12:11,570 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-22 01:12:11,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:11,573 INFO L225 Difference]: With dead ends: 200 [2020-08-22 01:12:11,573 INFO L226 Difference]: Without dead ends: 129 [2020-08-22 01:12:11,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 01:12:11,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-22 01:12:11,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-08-22 01:12:11,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 01:12:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-08-22 01:12:11,609 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57 [2020-08-22 01:12:11,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:11,609 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-08-22 01:12:11,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 01:12:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-08-22 01:12:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-22 01:12:11,612 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:11,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:11,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 01:12:11,613 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:11,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:11,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1674227349, now seen corresponding path program 1 times [2020-08-22 01:12:11,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:11,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234192517] [2020-08-22 01:12:11,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:11,958 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:11,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:11,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:11,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:11,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 01:12:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 01:12:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 01:12:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-22 01:12:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:12,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234192517] [2020-08-22 01:12:12,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:12,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 01:12:12,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213215366] [2020-08-22 01:12:12,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 01:12:12,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:12,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 01:12:12,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 01:12:12,049 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 9 states. [2020-08-22 01:12:12,494 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:13,582 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:13,938 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:14,480 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:14,727 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:15,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:15,473 INFO L93 Difference]: Finished difference Result 309 states and 415 transitions. [2020-08-22 01:12:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 01:12:15,474 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-22 01:12:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:15,478 INFO L225 Difference]: With dead ends: 309 [2020-08-22 01:12:15,478 INFO L226 Difference]: Without dead ends: 238 [2020-08-22 01:12:15,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 01:12:15,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-08-22 01:12:15,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 160. [2020-08-22 01:12:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-08-22 01:12:15,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 186 transitions. [2020-08-22 01:12:15,549 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 186 transitions. Word has length 65 [2020-08-22 01:12:15,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:15,550 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 186 transitions. [2020-08-22 01:12:15,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 01:12:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2020-08-22 01:12:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-22 01:12:15,552 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:15,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:15,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 01:12:15,553 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:15,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:15,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1187901745, now seen corresponding path program 1 times [2020-08-22 01:12:15,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:15,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182370798] [2020-08-22 01:12:15,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,849 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:15,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 01:12:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 01:12:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 01:12:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-22 01:12:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-22 01:12:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:15,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:15,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182370798] [2020-08-22 01:12:15,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:15,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 01:12:15,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925370304] [2020-08-22 01:12:15,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 01:12:15,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:15,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 01:12:15,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 01:12:15,980 INFO L87 Difference]: Start difference. First operand 160 states and 186 transitions. Second operand 10 states. [2020-08-22 01:12:16,406 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:17,323 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:17,611 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:17,874 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:18,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:18,169 INFO L93 Difference]: Finished difference Result 299 states and 380 transitions. [2020-08-22 01:12:18,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 01:12:18,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-08-22 01:12:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:18,172 INFO L225 Difference]: With dead ends: 299 [2020-08-22 01:12:18,172 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 01:12:18,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 01:12:18,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 01:12:18,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 01:12:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 01:12:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 01:12:18,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-08-22 01:12:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:18,176 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 01:12:18,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 01:12:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 01:12:18,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 01:12:18,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 01:12:18,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 01:12:19,450 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 12 [2020-08-22 01:12:20,532 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 01:12:20,742 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 01:12:21,056 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 01:12:21,381 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:21,571 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 01:12:21,741 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 01:12:22,063 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-08-22 01:12:22,249 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:22,589 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:22,925 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-22 01:12:23,306 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:23,474 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 01:12:23,663 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 01:12:23,868 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 01:12:24,049 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 01:12:24,377 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:24,553 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 01:12:24,734 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-22 01:12:24,895 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 01:12:25,192 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:25,432 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 01:12:25,609 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 01:12:25,920 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:25,925 INFO L268 CegarLoopResult]: For program point L413(lines 390 414) no Hoare annotation was computed. [2020-08-22 01:12:25,925 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2020-08-22 01:12:25,925 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-08-22 01:12:25,925 INFO L268 CegarLoopResult]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2020-08-22 01:12:25,925 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-22 01:12:25,926 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2020-08-22 01:12:25,926 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2020-08-22 01:12:25,926 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2020-08-22 01:12:25,926 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-22 01:12:25,926 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2020-08-22 01:12:25,926 INFO L268 CegarLoopResult]: For program point L474(lines 447 475) no Hoare annotation was computed. [2020-08-22 01:12:25,926 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2020-08-22 01:12:25,927 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-22 01:12:25,927 INFO L268 CegarLoopResult]: For program point L467-1(line 467) no Hoare annotation was computed. [2020-08-22 01:12:25,927 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2020-08-22 01:12:25,927 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2020-08-22 01:12:25,927 INFO L268 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-08-22 01:12:25,927 INFO L268 CegarLoopResult]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2020-08-22 01:12:25,928 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 156 162) the Hoare annotation is: true [2020-08-22 01:12:25,928 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 156 162) no Hoare annotation was computed. [2020-08-22 01:12:25,928 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 163 171) no Hoare annotation was computed. [2020-08-22 01:12:25,928 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 163 171) the Hoare annotation is: true [2020-08-22 01:12:25,928 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 163 171) no Hoare annotation was computed. [2020-08-22 01:12:25,928 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,928 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,929 INFO L264 CegarLoopResult]: At program point L256-1(line 256) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,929 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 250 272) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,929 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 250 272) no Hoare annotation was computed. [2020-08-22 01:12:25,929 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 250 272) no Hoare annotation was computed. [2020-08-22 01:12:25,929 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 01:12:25,930 INFO L264 CegarLoopResult]: At program point L262-1(line 262) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-22 01:12:25,930 INFO L268 CegarLoopResult]: For program point L260(lines 260 267) no Hoare annotation was computed. [2020-08-22 01:12:25,930 INFO L268 CegarLoopResult]: For program point L260-1(lines 260 267) no Hoare annotation was computed. [2020-08-22 01:12:25,930 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-08-22 01:12:25,930 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-08-22 01:12:25,930 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 206 229) no Hoare annotation was computed. [2020-08-22 01:12:25,930 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 206 229) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 206 229) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-08-22 01:12:25,931 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 777 783) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 777 783) the Hoare annotation is: true [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 810 817) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 810 817) no Hoare annotation was computed. [2020-08-22 01:12:25,932 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 810 817) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 854 862) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 854 862) the Hoare annotation is: true [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 854 862) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point L882(lines 882 890) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point L882-2(lines 882 890) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 863 898) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 863 898) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point L870(lines 870 878) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point L870-2(lines 870 878) no Hoare annotation was computed. [2020-08-22 01:12:25,933 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 863 898) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 149 155) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 149 155) the Hoare annotation is: true [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point L653(lines 653 660) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point L647(lines 647 667) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2020-08-22 01:12:25,934 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 239 249) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,935 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 239 249) no Hoare annotation was computed. [2020-08-22 01:12:25,935 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 239 249) no Hoare annotation was computed. [2020-08-22 01:12:25,935 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-22 01:12:25,935 INFO L271 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: true [2020-08-22 01:12:25,935 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 843 853) the Hoare annotation is: true [2020-08-22 01:12:25,935 INFO L268 CegarLoopResult]: For program point L848-1(line 848) no Hoare annotation was computed. [2020-08-22 01:12:25,935 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 843 853) no Hoare annotation was computed. [2020-08-22 01:12:25,935 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 843 853) no Hoare annotation was computed. [2020-08-22 01:12:25,935 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 835 842) the Hoare annotation is: true [2020-08-22 01:12:25,935 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 835 842) no Hoare annotation was computed. [2020-08-22 01:12:25,936 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 835 842) no Hoare annotation was computed. [2020-08-22 01:12:25,936 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,936 INFO L264 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,936 INFO L268 CegarLoopResult]: For program point L793(lines 793 801) no Hoare annotation was computed. [2020-08-22 01:12:25,936 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,936 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 785 809) no Hoare annotation was computed. [2020-08-22 01:12:25,936 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-08-22 01:12:25,937 INFO L268 CegarLoopResult]: For program point L789(lines 789 806) no Hoare annotation was computed. [2020-08-22 01:12:25,937 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 785 809) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,937 INFO L264 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,937 INFO L268 CegarLoopResult]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2020-08-22 01:12:25,937 INFO L264 CegarLoopResult]: At program point testENTRY(lines 681 746) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,937 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-08-22 01:12:25,937 INFO L264 CegarLoopResult]: At program point L729-2(lines 721 734) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,938 INFO L268 CegarLoopResult]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2020-08-22 01:12:25,938 INFO L268 CegarLoopResult]: For program point L692(lines 691 738) no Hoare annotation was computed. [2020-08-22 01:12:25,938 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,938 INFO L268 CegarLoopResult]: For program point L721(lines 721 734) no Hoare annotation was computed. [2020-08-22 01:12:25,938 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,938 INFO L268 CegarLoopResult]: For program point L711(lines 711 717) no Hoare annotation was computed. [2020-08-22 01:12:25,938 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2020-08-22 01:12:25,938 INFO L264 CegarLoopResult]: At program point L736(lines 691 738) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,938 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,938 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L264 CegarLoopResult]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point L607(lines 607 614) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point L601(lines 601 621) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L268 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-08-22 01:12:25,939 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 284 312) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:25,940 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point L296(lines 296 306) no Hoare annotation was computed. [2020-08-22 01:12:25,940 INFO L264 CegarLoopResult]: At program point L294(line 294) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point L292(lines 292 309) no Hoare annotation was computed. [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 284 312) no Hoare annotation was computed. [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point L292-1(lines 284 312) no Hoare annotation was computed. [2020-08-22 01:12:25,940 INFO L264 CegarLoopResult]: At program point L290(line 290) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-08-22 01:12:25,940 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 276 283) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 276 283) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 276 283) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 139 148) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 139 148) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 139 148) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-08-22 01:12:25,941 INFO L268 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-08-22 01:12:25,942 INFO L268 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-08-22 01:12:25,942 INFO L268 CegarLoopResult]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2020-08-22 01:12:25,942 INFO L268 CegarLoopResult]: For program point L554(lines 532 555) no Hoare annotation was computed. [2020-08-22 01:12:25,942 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2020-08-22 01:12:25,942 INFO L268 CegarLoopResult]: For program point L513(lines 513 529) no Hoare annotation was computed. [2020-08-22 01:12:25,942 INFO L268 CegarLoopResult]: For program point L573(lines 573 580) no Hoare annotation was computed. [2020-08-22 01:12:25,942 INFO L268 CegarLoopResult]: For program point L534(lines 533 553) no Hoare annotation was computed. [2020-08-22 01:12:25,942 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-22 01:12:25,943 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-08-22 01:12:25,943 INFO L268 CegarLoopResult]: For program point L530(lines 530 571) no Hoare annotation was computed. [2020-08-22 01:12:25,943 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2020-08-22 01:12:25,943 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-08-22 01:12:25,943 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-08-22 01:12:25,943 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:25,944 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-22 01:12:25,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:25,944 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-08-22 01:12:25,944 INFO L268 CegarLoopResult]: For program point L829-1(lines 818 834) no Hoare annotation was computed. [2020-08-22 01:12:25,944 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 818 834) no Hoare annotation was computed. [2020-08-22 01:12:25,944 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-08-22 01:12:25,944 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 818 834) no Hoare annotation was computed. [2020-08-22 01:12:25,944 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-08-22 01:12:25,944 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-08-22 01:12:25,945 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-08-22 01:12:25,945 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-08-22 01:12:25,945 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-08-22 01:12:25,945 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 01:12:25,945 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-08-22 01:12:25,945 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-08-22 01:12:25,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:25,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 01:12:25,945 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:25,946 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-08-22 01:12:25,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-08-22 01:12:25,946 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-08-22 01:12:25,946 INFO L264 CegarLoopResult]: At program point L766(line 766) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,946 INFO L264 CegarLoopResult]: At program point L764(lines 764 770) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,946 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,946 INFO L268 CegarLoopResult]: For program point L757(lines 756 775) no Hoare annotation was computed. [2020-08-22 01:12:25,947 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 753 776) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:25,947 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2020-08-22 01:12:25,947 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 753 776) no Hoare annotation was computed. [2020-08-22 01:12:25,947 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 175 204) no Hoare annotation was computed. [2020-08-22 01:12:25,947 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-08-22 01:12:25,947 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 175 204) the Hoare annotation is: true [2020-08-22 01:12:25,947 INFO L271 CegarLoopResult]: At program point L189-1(lines 189 193) the Hoare annotation is: true [2020-08-22 01:12:25,947 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-08-22 01:12:25,947 INFO L271 CegarLoopResult]: At program point L185-2(lines 185 199) the Hoare annotation is: true [2020-08-22 01:12:25,948 INFO L271 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: true [2020-08-22 01:12:25,948 INFO L268 CegarLoopResult]: For program point L181-1(line 181) no Hoare annotation was computed. [2020-08-22 01:12:25,948 INFO L271 CegarLoopResult]: At program point L200(lines 175 204) the Hoare annotation is: true [2020-08-22 01:12:25,948 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 01:12:25,948 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-08-22 01:12:25,948 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-08-22 01:12:25,948 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-08-22 01:12:25,948 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 230 236) no Hoare annotation was computed. [2020-08-22 01:12:25,949 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 230 236) the Hoare annotation is: true [2020-08-22 01:12:25,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:25,949 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 01:12:25,949 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 01:12:25,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:25,949 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 899 906) no Hoare annotation was computed. [2020-08-22 01:12:25,949 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 899 906) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-22 01:12:25,949 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 899 906) no Hoare annotation was computed. [2020-08-22 01:12:25,950 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-08-22 01:12:25,950 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-08-22 01:12:25,950 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 01:12:25,950 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 126 133) no Hoare annotation was computed. [2020-08-22 01:12:25,950 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2020-08-22 01:12:25,950 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 126 133) the Hoare annotation is: true [2020-08-22 01:12:25,950 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 126 133) no Hoare annotation was computed. [2020-08-22 01:12:25,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 01:12:25 BoogieIcfgContainer [2020-08-22 01:12:25,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 01:12:25,970 INFO L168 Benchmark]: Toolchain (without parser) took 23455.46 ms. Allocated memory was 147.3 MB in the beginning and 571.5 MB in the end (delta: 424.1 MB). Free memory was 102.2 MB in the beginning and 123.1 MB in the end (delta: -20.9 MB). Peak memory consumption was 411.6 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:25,971 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-22 01:12:25,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.31 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 172.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:25,973 INFO L168 Benchmark]: Boogie Preprocessor took 101.30 ms. Allocated memory is still 204.5 MB. Free memory was 172.2 MB in the beginning and 168.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:25,974 INFO L168 Benchmark]: RCFGBuilder took 1255.17 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 199.4 MB in the end (delta: -31.1 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:25,975 INFO L168 Benchmark]: TraceAbstraction took 21427.65 ms. Allocated memory was 237.5 MB in the beginning and 571.5 MB in the end (delta: 334.0 MB). Free memory was 199.4 MB in the beginning and 123.1 MB in the end (delta: 76.3 MB). Peak memory consumption was 418.5 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:25,979 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.31 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 172.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.30 ms. Allocated memory is still 204.5 MB. Free memory was 172.2 MB in the beginning and 168.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1255.17 ms. Allocated memory was 204.5 MB in the beginning and 237.5 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 199.4 MB in the end (delta: -31.1 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21427.65 ms. Allocated memory was 237.5 MB in the beginning and 571.5 MB in the end (delta: 334.0 MB). Free memory was 199.4 MB in the beginning and 123.1 MB in the end (delta: 76.3 MB). Peak memory consumption was 418.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 690]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 438 SDtfs, 728 SDslu, 392 SDs, 0 SdLazy, 1838 SolverSat, 537 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 258 PreInvPairs, 296 NumberOfFragments, 832 HoareAnnotationTreeSize, 258 FomulaSimplifications, 110361 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 52 FomulaSimplificationsInter, 7748 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 85909 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...