/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=0.4 --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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 23:35:31,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 23:35:31,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 23:35:31,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 23:35:31,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 23:35:31,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 23:35:31,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 23:35:31,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 23:35:31,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 23:35:31,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 23:35:31,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 23:35:31,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 23:35:31,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 23:35:31,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 23:35:31,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 23:35:31,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 23:35:31,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 23:35:31,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 23:35:31,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 23:35:31,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 23:35:31,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 23:35:31,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 23:35:31,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 23:35:31,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 23:35:31,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 23:35:31,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 23:35:31,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 23:35:31,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 23:35:31,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 23:35:31,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 23:35:31,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 23:35:31,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 23:35:31,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 23:35:31,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 23:35:31,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 23:35:31,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 23:35:31,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 23:35:31,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 23:35:31,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 23:35:31,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 23:35:31,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 23:35:31,166 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 23:35:31,212 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 23:35:31,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 23:35:31,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 23:35:31,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 23:35:31,215 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 23:35:31,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 23:35:31,216 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 23:35:31,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 23:35:31,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 23:35:31,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 23:35:31,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 23:35:31,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 23:35:31,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 23:35:31,218 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 23:35:31,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 23:35:31,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 23:35:31,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 23:35:31,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 23:35:31,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 23:35:31,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 23:35:31,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 23:35:31,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:35:31,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 23:35:31,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 23:35:31,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 23:35:31,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 23:35:31,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 23:35:31,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 23:35:31,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 23:35:31,221 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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-08-21 23:35:31,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 23:35:31,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 23:35:31,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 23:35:31,519 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 23:35:31,520 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 23:35:31,520 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-08-21 23:35:31,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74165050b/93c514a5d3cb4bb8a2952612310387d2/FLAG275a7427c [2020-08-21 23:35:32,163 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 23:35:32,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product32.cil.c [2020-08-21 23:35:32,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74165050b/93c514a5d3cb4bb8a2952612310387d2/FLAG275a7427c [2020-08-21 23:35:32,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74165050b/93c514a5d3cb4bb8a2952612310387d2 [2020-08-21 23:35:32,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 23:35:32,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 23:35:32,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 23:35:32,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 23:35:32,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 23:35:32,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:35:32" (1/1) ... [2020-08-21 23:35:32,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fec7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:32, skipping insertion in model container [2020-08-21 23:35:32,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:35:32" (1/1) ... [2020-08-21 23:35:32,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 23:35:32,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 23:35:32,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:35:33,011 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 23:35:33,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 23:35:33,131 INFO L208 MainTranslator]: Completed translation [2020-08-21 23:35:33,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33 WrapperNode [2020-08-21 23:35:33,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 23:35:33,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 23:35:33,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 23:35:33,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 23:35:33,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (1/1) ... [2020-08-21 23:35:33,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (1/1) ... [2020-08-21 23:35:33,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (1/1) ... [2020-08-21 23:35:33,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (1/1) ... [2020-08-21 23:35:33,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (1/1) ... [2020-08-21 23:35:33,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (1/1) ... [2020-08-21 23:35:33,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (1/1) ... [2020-08-21 23:35:33,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 23:35:33,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 23:35:33,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 23:35:33,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 23:35:33,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 23:35:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 23:35:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 23:35:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 23:35:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 23:35:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 23:35:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 23:35:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 23:35:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 23:35:33,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 23:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 23:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 23:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 23:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 23:35:33,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 23:35:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 23:35:33,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 23:35:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 23:35:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 23:35:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 23:35:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 23:35:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 23:35:33,361 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 23:35:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 23:35:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 23:35:33,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 23:35:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 23:35:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 23:35:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 23:35:33,363 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 23:35:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 23:35:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 23:35:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 23:35:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 23:35:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 23:35:33,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 23:35:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 23:35:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 23:35:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 23:35:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 23:35:33,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 23:35:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 23:35:33,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 23:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 23:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 23:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 23:35:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 23:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 23:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 23:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 23:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 23:35:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 23:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 23:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 23:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 23:35:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 23:35:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 23:35:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 23:35:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 23:35:33,369 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 23:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 23:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 23:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 23:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 23:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 23:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 23:35:33,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 23:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 23:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 23:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 23:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 23:35:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 23:35:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 23:35:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 23:35:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 23:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 23:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 23:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 23:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 23:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 23:35:33,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 23:35:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 23:35:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 23:35:33,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 23:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 23:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 23:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 23:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 23:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 23:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 23:35:33,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 23:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 23:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 23:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 23:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 23:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 23:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 23:35:33,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 23:35:33,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 23:35:34,498 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 23:35:34,498 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 23:35:34,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:35:34 BoogieIcfgContainer [2020-08-21 23:35:34,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 23:35:34,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 23:35:34,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 23:35:34,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 23:35:34,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:35:32" (1/3) ... [2020-08-21 23:35:34,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f31bd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:35:34, skipping insertion in model container [2020-08-21 23:35:34,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:35:33" (2/3) ... [2020-08-21 23:35:34,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f31bd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:35:34, skipping insertion in model container [2020-08-21 23:35:34,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:35:34" (3/3) ... [2020-08-21 23:35:34,519 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2020-08-21 23:35:34,529 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 23:35:34,539 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 23:35:34,552 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 23:35:34,578 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 23:35:34,578 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 23:35:34,578 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 23:35:34,578 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 23:35:34,579 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 23:35:34,579 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 23:35:34,579 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 23:35:34,580 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 23:35:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-08-21 23:35:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 23:35:34,613 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:35:34,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:35:34,615 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:35:34,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:35:34,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1379034855, now seen corresponding path program 1 times [2020-08-21 23:35:34,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:35:34,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691081540] [2020-08-21 23:35:34,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:35:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,305 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:35:35,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:35:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:35:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:35:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:35:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:35:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:35:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 23:35:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 23:35:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:35:35,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691081540] [2020-08-21 23:35:35,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:35:35,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 23:35:35,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957032446] [2020-08-21 23:35:35,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 23:35:35,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:35:35,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 23:35:35,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 23:35:35,472 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-08-21 23:35:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:35:36,735 INFO L93 Difference]: Finished difference Result 303 states and 400 transitions. [2020-08-21 23:35:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 23:35:36,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 23:35:36,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:35:36,752 INFO L225 Difference]: With dead ends: 303 [2020-08-21 23:35:36,752 INFO L226 Difference]: Without dead ends: 170 [2020-08-21 23:35:36,757 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 [2020-08-21 23:35:36,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-08-21 23:35:36,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2020-08-21 23:35:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-08-21 23:35:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-08-21 23:35:36,885 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-08-21 23:35:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:35:36,885 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-08-21 23:35:36,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 23:35:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-08-21 23:35:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 23:35:36,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:35:36,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:35:36,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 23:35:36,890 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:35:36,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:35:36,891 INFO L82 PathProgramCache]: Analyzing trace with hash 164861133, now seen corresponding path program 1 times [2020-08-21 23:35:36,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:35:36,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890810388] [2020-08-21 23:35:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:35:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,228 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:35:37,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:35:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:35:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:35:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:35:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:35:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:35:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:35:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 23:35:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:35:37,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890810388] [2020-08-21 23:35:37,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:35:37,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 23:35:37,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5803188] [2020-08-21 23:35:37,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 23:35:37,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:35:37,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 23:35:37,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 23:35:37,292 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-08-21 23:35:37,771 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 23:35:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:35:38,739 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2020-08-21 23:35:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 23:35:38,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 23:35:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:35:38,746 INFO L225 Difference]: With dead ends: 238 [2020-08-21 23:35:38,746 INFO L226 Difference]: Without dead ends: 160 [2020-08-21 23:35:38,748 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 [2020-08-21 23:35:38,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-21 23:35:38,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 125. [2020-08-21 23:35:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-21 23:35:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-08-21 23:35:38,787 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-08-21 23:35:38,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:35:38,788 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-08-21 23:35:38,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 23:35:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-08-21 23:35:38,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 23:35:38,791 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:35:38,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:35:38,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 23:35:38,791 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:35:38,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:35:38,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1116626050, now seen corresponding path program 1 times [2020-08-21 23:35:38,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:35:38,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890008530] [2020-08-21 23:35:38,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:35:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,135 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:35:39,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:35:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:35:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:35:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:35:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:35:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:35:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 23:35:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 23:35:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:39,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:35:39,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890008530] [2020-08-21 23:35:39,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:35:39,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 23:35:39,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105690973] [2020-08-21 23:35:39,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:35:39,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:35:39,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:35:39,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:35:39,226 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 9 states. [2020-08-21 23:35:39,668 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:35:39,987 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:40,254 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:40,495 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:41,332 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 23:35:43,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:35:43,239 INFO L93 Difference]: Finished difference Result 427 states and 544 transitions. [2020-08-21 23:35:43,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 23:35:43,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-21 23:35:43,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:35:43,248 INFO L225 Difference]: With dead ends: 427 [2020-08-21 23:35:43,249 INFO L226 Difference]: Without dead ends: 330 [2020-08-21 23:35:43,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 23:35:43,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-08-21 23:35:43,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 261. [2020-08-21 23:35:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-08-21 23:35:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2020-08-21 23:35:43,331 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2020-08-21 23:35:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:35:43,332 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2020-08-21 23:35:43,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:35:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2020-08-21 23:35:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 23:35:43,335 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:35:43,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:35:43,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 23:35:43,335 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:35:43,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:35:43,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1686629375, now seen corresponding path program 1 times [2020-08-21 23:35:43,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:35:43,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715559253] [2020-08-21 23:35:43,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:35:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,649 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:35:43,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:35:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:35:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:35:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:35:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:35:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:35:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 23:35:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 23:35:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 23:35:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:35:43,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715559253] [2020-08-21 23:35:43,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:35:43,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 23:35:43,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328481462] [2020-08-21 23:35:43,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 23:35:43,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:35:43,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 23:35:43,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 23:35:43,780 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 9 states. [2020-08-21 23:35:44,169 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:35:45,259 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:45,647 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:35:45,894 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:46,162 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:35:47,586 INFO L93 Difference]: Finished difference Result 840 states and 1128 transitions. [2020-08-21 23:35:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 23:35:47,587 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-21 23:35:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:35:47,593 INFO L225 Difference]: With dead ends: 840 [2020-08-21 23:35:47,594 INFO L226 Difference]: Without dead ends: 607 [2020-08-21 23:35:47,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 23:35:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-08-21 23:35:47,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 470. [2020-08-21 23:35:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-08-21 23:35:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2020-08-21 23:35:47,726 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2020-08-21 23:35:47,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:35:47,726 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2020-08-21 23:35:47,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 23:35:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2020-08-21 23:35:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-21 23:35:47,731 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 23:35:47,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 23:35:47,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 23:35:47,731 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 23:35:47,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 23:35:47,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1821599845, now seen corresponding path program 1 times [2020-08-21 23:35:47,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 23:35:47,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501439616] [2020-08-21 23:35:47,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 23:35:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,055 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:35:48,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 23:35:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 23:35:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 23:35:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 23:35:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 23:35:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 23:35:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 23:35:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 23:35:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 23:35:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 23:35:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 23:35:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 23:35:48,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501439616] [2020-08-21 23:35:48,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 23:35:48,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 23:35:48,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856992743] [2020-08-21 23:35:48,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 23:35:48,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 23:35:48,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 23:35:48,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 23:35:48,162 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 10 states. [2020-08-21 23:35:48,556 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 23:35:49,589 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:49,842 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:50,086 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 23:35:50,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 23:35:50,615 INFO L93 Difference]: Finished difference Result 891 states and 1209 transitions. [2020-08-21 23:35:50,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 23:35:50,615 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-21 23:35:50,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 23:35:50,616 INFO L225 Difference]: With dead ends: 891 [2020-08-21 23:35:50,616 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 23:35:50,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-21 23:35:50,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 23:35:50,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 23:35:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 23:35:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 23:35:50,621 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-21 23:35:50,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 23:35:50,621 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 23:35:50,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 23:35:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 23:35:50,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 23:35:50,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 23:35:50,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 23:35:50,902 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 6 [2020-08-21 23:35:54,691 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 23:35:54,889 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:35:55,058 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 23:35:55,388 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 23:35:55,558 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:35:55,908 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 23:35:56,205 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-21 23:35:56,397 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 23:35:56,754 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 23:35:56,917 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 23:35:57,227 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 23:35:57,539 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 23:35:57,859 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 23:35:58,182 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 23:35:58,499 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 23:35:58,818 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 23:35:58,982 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 23:35:59,148 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 23:35:59,323 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:35:59,514 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 23:35:59,702 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:35:59,926 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 23:36:00,403 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-21 23:36:00,573 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:36:00,736 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 23:36:01,054 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-21 23:36:01,356 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 23:36:01,360 INFO L268 CegarLoopResult]: For program point L699(lines 699 703) no Hoare annotation was computed. [2020-08-21 23:36:01,360 INFO L268 CegarLoopResult]: For program point L699-1(lines 699 703) no Hoare annotation was computed. [2020-08-21 23:36:01,361 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-08-21 23:36:01,361 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 714) no Hoare annotation was computed. [2020-08-21 23:36:01,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 668 723) no Hoare annotation was computed. [2020-08-21 23:36:01,361 INFO L268 CegarLoopResult]: For program point L715(lines 692 716) no Hoare annotation was computed. [2020-08-21 23:36:01,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 668 723) no Hoare annotation was computed. [2020-08-21 23:36:01,361 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 668 723) no Hoare annotation was computed. [2020-08-21 23:36:01,361 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-08-21 23:36:01,361 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-08-21 23:36:01,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 724 783) no Hoare annotation was computed. [2020-08-21 23:36:01,362 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-21 23:36:01,362 INFO L268 CegarLoopResult]: For program point L756-1(lines 756 760) no Hoare annotation was computed. [2020-08-21 23:36:01,362 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-08-21 23:36:01,362 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 724 783) no Hoare annotation was computed. [2020-08-21 23:36:01,362 INFO L268 CegarLoopResult]: For program point L750-2(lines 750 775) no Hoare annotation was computed. [2020-08-21 23:36:01,363 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 724 783) no Hoare annotation was computed. [2020-08-21 23:36:01,363 INFO L268 CegarLoopResult]: For program point L776(lines 749 777) no Hoare annotation was computed. [2020-08-21 23:36:01,363 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 470 476) the Hoare annotation is: true [2020-08-21 23:36:01,363 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 470 476) no Hoare annotation was computed. [2020-08-21 23:36:01,363 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 477 485) no Hoare annotation was computed. [2020-08-21 23:36:01,363 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 477 485) the Hoare annotation is: true [2020-08-21 23:36:01,363 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 477 485) no Hoare annotation was computed. [2020-08-21 23:36:01,364 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 428 450) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:36:01,364 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 428 450) no Hoare annotation was computed. [2020-08-21 23:36:01,364 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 23:36:01,364 INFO L264 CegarLoopResult]: At program point L440-1(line 440) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 23:36:01,364 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-08-21 23:36:01,364 INFO L268 CegarLoopResult]: For program point L438-1(lines 438 445) no Hoare annotation was computed. [2020-08-21 23:36:01,365 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 23:36:01,365 INFO L264 CegarLoopResult]: At program point L435(line 435) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:36:01,365 INFO L264 CegarLoopResult]: At program point L434(line 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:36:01,365 INFO L264 CegarLoopResult]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:36:01,365 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 428 450) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 382 405) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 382 405) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 382 405) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-08-21 23:36:01,366 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,367 INFO L268 CegarLoopResult]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2020-08-21 23:36:01,367 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,367 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,368 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 168 192) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,368 INFO L268 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-08-21 23:36:01,368 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,368 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-08-21 23:36:01,368 INFO L268 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-08-21 23:36:01,368 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 168 192) no Hoare annotation was computed. [2020-08-21 23:36:01,368 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 327 341) no Hoare annotation was computed. [2020-08-21 23:36:01,368 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 23:36:01,368 INFO L268 CegarLoopResult]: For program point L331(lines 331 337) no Hoare annotation was computed. [2020-08-21 23:36:01,368 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 327 341) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 23:36:01,368 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 327 341) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 263 271) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 263 271) the Hoare annotation is: true [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 263 271) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L271 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: true [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point L315-1(line 315) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 308 326) the Hoare annotation is: true [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 308 326) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 308 326) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point L291-2(lines 291 299) no Hoare annotation was computed. [2020-08-21 23:36:01,369 INFO L268 CegarLoopResult]: For program point L279(lines 279 287) no Hoare annotation was computed. [2020-08-21 23:36:01,370 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2020-08-21 23:36:01,370 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 272 307) no Hoare annotation was computed. [2020-08-21 23:36:01,370 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-08-21 23:36:01,370 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-08-21 23:36:01,370 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 272 307) no Hoare annotation was computed. [2020-08-21 23:36:01,370 INFO L268 CegarLoopResult]: For program point L291(lines 291 299) no Hoare annotation was computed. [2020-08-21 23:36:01,370 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 272 307) no Hoare annotation was computed. [2020-08-21 23:36:01,370 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 463 469) no Hoare annotation was computed. [2020-08-21 23:36:01,371 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 463 469) the Hoare annotation is: true [2020-08-21 23:36:01,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 622 667) no Hoare annotation was computed. [2020-08-21 23:36:01,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 622 667) no Hoare annotation was computed. [2020-08-21 23:36:01,371 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 622 667) no Hoare annotation was computed. [2020-08-21 23:36:01,371 INFO L268 CegarLoopResult]: For program point L955(lines 955 962) no Hoare annotation was computed. [2020-08-21 23:36:01,371 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 935 980) no Hoare annotation was computed. [2020-08-21 23:36:01,371 INFO L268 CegarLoopResult]: For program point L949(lines 949 969) no Hoare annotation was computed. [2020-08-21 23:36:01,372 INFO L268 CegarLoopResult]: For program point L949-1(lines 949 969) no Hoare annotation was computed. [2020-08-21 23:36:01,372 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 935 980) no Hoare annotation was computed. [2020-08-21 23:36:01,372 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 935 980) no Hoare annotation was computed. [2020-08-21 23:36:01,372 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 414 424) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:36:01,372 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 414 424) no Hoare annotation was computed. [2020-08-21 23:36:01,372 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 414 424) no Hoare annotation was computed. [2020-08-21 23:36:01,372 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:36:01,372 INFO L271 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: true [2020-08-21 23:36:01,372 INFO L268 CegarLoopResult]: For program point L257-1(line 257) no Hoare annotation was computed. [2020-08-21 23:36:01,372 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 252 262) the Hoare annotation is: true [2020-08-21 23:36:01,372 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 252 262) no Hoare annotation was computed. [2020-08-21 23:36:01,373 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 252 262) no Hoare annotation was computed. [2020-08-21 23:36:01,373 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 244 251) the Hoare annotation is: true [2020-08-21 23:36:01,373 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 244 251) no Hoare annotation was computed. [2020-08-21 23:36:01,373 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 244 251) no Hoare annotation was computed. [2020-08-21 23:36:01,373 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 194 218) no Hoare annotation was computed. [2020-08-21 23:36:01,373 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,373 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-08-21 23:36:01,373 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 194 218) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,373 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,373 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,374 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-08-21 23:36:01,374 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,374 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-08-21 23:36:01,374 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-08-21 23:36:01,374 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2020-08-21 23:36:01,374 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2020-08-21 23:36:01,374 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:36:01,374 INFO L264 CegarLoopResult]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:36:01,374 INFO L268 CegarLoopResult]: For program point L95(lines 95 110) no Hoare annotation was computed. [2020-08-21 23:36:01,374 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:36:01,375 INFO L268 CegarLoopResult]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2020-08-21 23:36:01,375 INFO L268 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-08-21 23:36:01,375 INFO L268 CegarLoopResult]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2020-08-21 23:36:01,375 INFO L264 CegarLoopResult]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:36:01,375 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:36:01,375 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-21 23:36:01,375 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-21 23:36:01,375 INFO L268 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-08-21 23:36:01,375 INFO L264 CegarLoopResult]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 23:36:01,375 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:36:01,375 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L264 CegarLoopResult]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point L66(lines 65 114) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 889 934) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 889 934) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 889 934) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point L909(lines 909 916) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point L903(lines 903 923) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point L903-1(lines 903 923) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 219 226) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 219 226) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 219 226) no Hoare annotation was computed. [2020-08-21 23:36:01,376 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 567 575) no Hoare annotation was computed. [2020-08-21 23:36:01,377 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 567 575) the Hoare annotation is: true [2020-08-21 23:36:01,377 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 567 575) no Hoare annotation was computed. [2020-08-21 23:36:01,377 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 23:36:01,377 INFO L268 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2020-08-21 23:36:01,377 INFO L268 CegarLoopResult]: For program point L598(lines 598 608) no Hoare annotation was computed. [2020-08-21 23:36:01,377 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-21 23:36:01,377 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-08-21 23:36:01,377 INFO L268 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-08-21 23:36:01,377 INFO L268 CegarLoopResult]: For program point L594-1(lines 586 614) no Hoare annotation was computed. [2020-08-21 23:36:01,377 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 586 614) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 23:36:01,378 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 23:36:01,378 INFO L268 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-08-21 23:36:01,378 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 586 614) no Hoare annotation was computed. [2020-08-21 23:36:01,378 INFO L268 CegarLoopResult]: For program point L543(lines 543 551) no Hoare annotation was computed. [2020-08-21 23:36:01,378 INFO L268 CegarLoopResult]: For program point L543-2(lines 543 551) no Hoare annotation was computed. [2020-08-21 23:36:01,378 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 535 557) no Hoare annotation was computed. [2020-08-21 23:36:01,378 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 535 557) no Hoare annotation was computed. [2020-08-21 23:36:01,378 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 535 557) no Hoare annotation was computed. [2020-08-21 23:36:01,379 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 578 585) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 23:36:01,379 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 578 585) no Hoare annotation was computed. [2020-08-21 23:36:01,379 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 578 585) no Hoare annotation was computed. [2020-08-21 23:36:01,379 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 453 462) no Hoare annotation was computed. [2020-08-21 23:36:01,379 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 453 462) no Hoare annotation was computed. [2020-08-21 23:36:01,379 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 453 462) no Hoare annotation was computed. [2020-08-21 23:36:01,379 INFO L268 CegarLoopResult]: For program point L832(lines 832 873) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 786 888) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point L851-1(line 851) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point L874(lines 874 885) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 786 888) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point L835-2(lines 835 855) no Hoare annotation was computed. [2020-08-21 23:36:01,380 INFO L268 CegarLoopResult]: For program point L856(lines 834 857) no Hoare annotation was computed. [2020-08-21 23:36:01,381 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 786 888) no Hoare annotation was computed. [2020-08-21 23:36:01,381 INFO L268 CegarLoopResult]: For program point L815(lines 815 831) no Hoare annotation was computed. [2020-08-21 23:36:01,381 INFO L268 CegarLoopResult]: For program point L875(lines 875 882) no Hoare annotation was computed. [2020-08-21 23:36:01,381 INFO L268 CegarLoopResult]: For program point L836(lines 835 855) no Hoare annotation was computed. [2020-08-21 23:36:01,381 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-08-21 23:36:01,381 INFO L268 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2020-08-21 23:36:01,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:36:01,382 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#length)| |#length|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 23:36:01,382 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:36:01,382 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-08-21 23:36:01,382 INFO L268 CegarLoopResult]: For program point L238-1(lines 227 243) no Hoare annotation was computed. [2020-08-21 23:36:01,382 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 227 243) no Hoare annotation was computed. [2020-08-21 23:36:01,382 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-08-21 23:36:01,383 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 227 243) no Hoare annotation was computed. [2020-08-21 23:36:01,383 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed. [2020-08-21 23:36:01,383 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-08-21 23:36:01,383 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 558 566) no Hoare annotation was computed. [2020-08-21 23:36:01,383 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 558 566) no Hoare annotation was computed. [2020-08-21 23:36:01,383 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 558 566) no Hoare annotation was computed. [2020-08-21 23:36:01,383 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 514 525) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 23:36:01,383 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 514 525) no Hoare annotation was computed. [2020-08-21 23:36:01,384 INFO L268 CegarLoopResult]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2020-08-21 23:36:01,384 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:36:01,384 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 23:36:01,384 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:36:01,384 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,384 INFO L264 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,384 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 23:36:01,384 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 23:36:01,385 INFO L268 CegarLoopResult]: For program point L140(lines 139 158) no Hoare annotation was computed. [2020-08-21 23:36:01,385 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2020-08-21 23:36:01,385 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2020-08-21 23:36:01,385 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 352 381) no Hoare annotation was computed. [2020-08-21 23:36:01,385 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 352 381) the Hoare annotation is: true [2020-08-21 23:36:01,385 INFO L271 CegarLoopResult]: At program point L377(lines 352 381) the Hoare annotation is: true [2020-08-21 23:36:01,385 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-08-21 23:36:01,385 INFO L268 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-08-21 23:36:01,385 INFO L271 CegarLoopResult]: At program point L366-1(lines 366 370) the Hoare annotation is: true [2020-08-21 23:36:01,386 INFO L268 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-08-21 23:36:01,386 INFO L271 CegarLoopResult]: At program point L362-2(lines 362 376) the Hoare annotation is: true [2020-08-21 23:36:01,386 INFO L271 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: true [2020-08-21 23:36:01,386 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-08-21 23:36:01,386 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 526 534) the Hoare annotation is: true [2020-08-21 23:36:01,386 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 526 534) no Hoare annotation was computed. [2020-08-21 23:36:01,386 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 526 534) no Hoare annotation was computed. [2020-08-21 23:36:01,386 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 490 501) the Hoare annotation is: true [2020-08-21 23:36:01,386 INFO L268 CegarLoopResult]: For program point L494-1(lines 490 501) no Hoare annotation was computed. [2020-08-21 23:36:01,387 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 490 501) no Hoare annotation was computed. [2020-08-21 23:36:01,387 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 406 412) no Hoare annotation was computed. [2020-08-21 23:36:01,387 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 406 412) the Hoare annotation is: true [2020-08-21 23:36:01,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 23:36:01,387 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 23:36:01,387 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 23:36:01,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 23:36:01,387 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 342 349) no Hoare annotation was computed. [2020-08-21 23:36:01,388 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 342 349) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-21 23:36:01,388 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 342 349) no Hoare annotation was computed. [2020-08-21 23:36:01,388 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 502 513) no Hoare annotation was computed. [2020-08-21 23:36:01,388 INFO L268 CegarLoopResult]: For program point L506-1(lines 502 513) no Hoare annotation was computed. [2020-08-21 23:36:01,388 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 502 513) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 23:36:01,388 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-21 23:36:01,388 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-21 23:36:01,389 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-21 23:36:01,389 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-21 23:36:01,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:36:01 BoogieIcfgContainer [2020-08-21 23:36:01,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 23:36:01,408 INFO L168 Benchmark]: Toolchain (without parser) took 28903.26 ms. Allocated memory was 141.6 MB in the beginning and 665.8 MB in the end (delta: 524.3 MB). Free memory was 102.9 MB in the beginning and 95.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 540.8 MB. Max. memory is 7.1 GB. [2020-08-21 23:36:01,409 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 23:36:01,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.87 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 170.7 MB in the end (delta: -68.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-08-21 23:36:01,410 INFO L168 Benchmark]: Boogie Preprocessor took 136.91 ms. Allocated memory is still 205.0 MB. Free memory was 170.7 MB in the beginning and 166.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-21 23:36:01,411 INFO L168 Benchmark]: RCFGBuilder took 1238.10 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 166.9 MB in the beginning and 186.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-08-21 23:36:01,412 INFO L168 Benchmark]: TraceAbstraction took 26896.60 ms. Allocated memory was 233.3 MB in the beginning and 665.8 MB in the end (delta: 432.5 MB). Free memory was 186.7 MB in the beginning and 95.6 MB in the end (delta: 91.2 MB). Peak memory consumption was 532.8 MB. Max. memory is 7.1 GB. [2020-08-21 23:36:01,416 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.87 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 102.7 MB in the beginning and 170.7 MB in the end (delta: -68.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.91 ms. Allocated memory is still 205.0 MB. Free memory was 170.7 MB in the beginning and 166.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1238.10 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 166.9 MB in the beginning and 186.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26896.60 ms. Allocated memory was 233.3 MB in the beginning and 665.8 MB in the end (delta: 432.5 MB). Free memory was 186.7 MB in the beginning and 95.6 MB in the end (delta: 91.2 MB). Peak memory consumption was 532.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 568 SDtfs, 989 SDslu, 626 SDs, 0 SdLazy, 2873 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 277 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 684 PreInvPairs, 811 NumberOfFragments, 851 HoareAnnotationTreeSize, 684 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 19409 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...