/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:04:30,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:04:30,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:04:30,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:04:30,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:04:30,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:04:30,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:04:30,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:04:30,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:04:30,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:04:30,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:04:30,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:04:30,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:04:30,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:04:30,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:04:30,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:04:30,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:04:30,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:04:30,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:04:30,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:04:30,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:04:30,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:04:30,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:04:30,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:04:30,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:04:30,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:04:30,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:04:30,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:04:30,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:04:30,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 10:04:30,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 10:04:30,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 10:04:30,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 10:04:30,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 10:04:30,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 10:04:30,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 10:04:30,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 10:04:30,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 10:04:30,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:04:30,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:04:30,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:04:30,282 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 [2020-09-21 10:04:30,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:04:30,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:04:30,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:04:30,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:04:30,328 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:04:30,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:04:30,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:04:30,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:04:30,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:04:30,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:04:30,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:04:30,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:04:30,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:04:30,331 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:04:30,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:04:30,332 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:04:30,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:04:30,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:04:30,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:04:30,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:04:30,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:04:30,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:04:30,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:04:30,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:04:30,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:04:30,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:04:30,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:04:30,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:04:30,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:04:30,334 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 -> false [2020-09-21 10:04:30,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:04:30,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:04:30,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:04:30,797 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:04:30,798 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:04:30,799 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2020-09-21 10:04:30,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a20c59f4/b2419b0862eb4f6a9112445aab42e2bb/FLAG117e01e33 [2020-09-21 10:04:31,531 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:04:31,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2020-09-21 10:04:31,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a20c59f4/b2419b0862eb4f6a9112445aab42e2bb/FLAG117e01e33 [2020-09-21 10:04:31,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a20c59f4/b2419b0862eb4f6a9112445aab42e2bb [2020-09-21 10:04:31,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:04:31,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:04:31,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:04:31,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:04:31,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:04:31,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:04:31" (1/1) ... [2020-09-21 10:04:31,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559d5a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:31, skipping insertion in model container [2020-09-21 10:04:31,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:04:31" (1/1) ... [2020-09-21 10:04:31,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:04:31,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:04:32,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:04:32,309 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:04:32,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:04:32,469 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:04:32,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32 WrapperNode [2020-09-21 10:04:32,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:04:32,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:04:32,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:04:32,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:04:32,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (1/1) ... [2020-09-21 10:04:32,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (1/1) ... [2020-09-21 10:04:32,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (1/1) ... [2020-09-21 10:04:32,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (1/1) ... [2020-09-21 10:04:32,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (1/1) ... [2020-09-21 10:04:32,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (1/1) ... [2020-09-21 10:04:32,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (1/1) ... [2020-09-21 10:04:32,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:04:32,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:04:32,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:04:32,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:04:32,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (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 [2020-09-21 10:04:32,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:04:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:04:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 10:04:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 10:04:32,671 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 10:04:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 10:04:32,672 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 10:04:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 10:04:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 10:04:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 10:04:32,673 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 10:04:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 10:04:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 10:04:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:04:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 10:04:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 10:04:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 10:04:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 10:04:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 10:04:32,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 10:04:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 10:04:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 10:04:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 10:04:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 10:04:32,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 10:04:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 10:04:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 10:04:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 10:04:32,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 10:04:32,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 10:04:32,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 10:04:32,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 10:04:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 10:04:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 10:04:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 10:04:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 10:04:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 10:04:32,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 10:04:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 10:04:32,681 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 10:04:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:04:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:04:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 10:04:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 10:04:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 10:04:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 10:04:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 10:04:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 10:04:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 10:04:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 10:04:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 10:04:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 10:04:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 10:04:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 10:04:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 10:04:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 10:04:32,684 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 10:04:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 10:04:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 10:04:32,685 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 10:04:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 10:04:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:04:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 10:04:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 10:04:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 10:04:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 10:04:32,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 10:04:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 10:04:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 10:04:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 10:04:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 10:04:32,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 10:04:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 10:04:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 10:04:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 10:04:32,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 10:04:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 10:04:32,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 10:04:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 10:04:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 10:04:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 10:04:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 10:04:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 10:04:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 10:04:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 10:04:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 10:04:32,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 10:04:32,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 10:04:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 10:04:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 10:04:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 10:04:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:04:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 10:04:32,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:04:33,697 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:04:33,697 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 10:04:33,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:04:33 BoogieIcfgContainer [2020-09-21 10:04:33,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:04:33,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:04:33,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:04:33,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:04:33,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:04:31" (1/3) ... [2020-09-21 10:04:33,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac42592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:04:33, skipping insertion in model container [2020-09-21 10:04:33,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:32" (2/3) ... [2020-09-21 10:04:33,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac42592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:04:33, skipping insertion in model container [2020-09-21 10:04:33,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:04:33" (3/3) ... [2020-09-21 10:04:33,717 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2020-09-21 10:04:33,729 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:04:33,739 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:04:33,757 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:04:33,782 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:04:33,783 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:04:33,783 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:04:33,783 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:04:33,783 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:04:33,783 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:04:33,783 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:04:33,783 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:04:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-09-21 10:04:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 10:04:33,820 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:33,821 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] [2020-09-21 10:04:33,821 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:33,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:33,828 INFO L82 PathProgramCache]: Analyzing trace with hash -996229521, now seen corresponding path program 1 times [2020-09-21 10:04:33,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:33,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371243599] [2020-09-21 10:04:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,605 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:34,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 10:04:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 10:04:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:34,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371243599] [2020-09-21 10:04:34,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:34,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 10:04:34,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614656964] [2020-09-21 10:04:34,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 10:04:34,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:34,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 10:04:34,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:04:34,758 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-09-21 10:04:35,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:35,724 INFO L93 Difference]: Finished difference Result 256 states and 336 transitions. [2020-09-21 10:04:35,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 10:04:35,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 10:04:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:35,744 INFO L225 Difference]: With dead ends: 256 [2020-09-21 10:04:35,744 INFO L226 Difference]: Without dead ends: 144 [2020-09-21 10:04:35,750 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 [2020-09-21 10:04:35,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-09-21 10:04:35,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 113. [2020-09-21 10:04:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-21 10:04:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-09-21 10:04:35,844 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 51 [2020-09-21 10:04:35,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:35,845 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-09-21 10:04:35,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 10:04:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-09-21 10:04:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 10:04:35,849 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:35,849 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] [2020-09-21 10:04:35,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:04:35,850 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:35,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:35,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1040363227, now seen corresponding path program 1 times [2020-09-21 10:04:35,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:35,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326437667] [2020-09-21 10:04:35,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,206 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:36,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:04:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 10:04:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:36,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326437667] [2020-09-21 10:04:36,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:36,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:04:36,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892893471] [2020-09-21 10:04:36,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:04:36,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:36,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:04:36,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:04:36,277 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 5 states. [2020-09-21 10:04:36,780 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:04:37,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:37,675 INFO L93 Difference]: Finished difference Result 197 states and 243 transitions. [2020-09-21 10:04:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:04:37,676 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 10:04:37,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:37,679 INFO L225 Difference]: With dead ends: 197 [2020-09-21 10:04:37,680 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 10:04:37,681 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 [2020-09-21 10:04:37,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 10:04:37,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 10:04:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 10:04:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2020-09-21 10:04:37,719 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 52 [2020-09-21 10:04:37,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:37,719 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2020-09-21 10:04:37,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:04:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2020-09-21 10:04:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 10:04:37,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:37,722 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] [2020-09-21 10:04:37,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:04:37,723 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:37,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:37,723 INFO L82 PathProgramCache]: Analyzing trace with hash -542222879, now seen corresponding path program 1 times [2020-09-21 10:04:37,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:37,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914797309] [2020-09-21 10:04:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,181 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:38,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 10:04:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 10:04:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:38,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914797309] [2020-09-21 10:04:38,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:38,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:04:38,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919563460] [2020-09-21 10:04:38,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:04:38,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:38,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:04:38,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:04:38,312 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 9 states. [2020-09-21 10:04:38,746 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:39,126 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:39,490 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:39,797 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:40,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:40,965 INFO L93 Difference]: Finished difference Result 210 states and 262 transitions. [2020-09-21 10:04:40,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:04:40,965 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-09-21 10:04:40,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:40,971 INFO L225 Difference]: With dead ends: 210 [2020-09-21 10:04:40,971 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 10:04:40,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:04:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 10:04:41,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2020-09-21 10:04:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 10:04:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2020-09-21 10:04:41,021 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 57 [2020-09-21 10:04:41,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:41,021 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2020-09-21 10:04:41,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:04:41,022 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2020-09-21 10:04:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 10:04:41,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:41,024 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:41,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:04:41,024 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:41,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:41,024 INFO L82 PathProgramCache]: Analyzing trace with hash -975500264, now seen corresponding path program 1 times [2020-09-21 10:04:41,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:41,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094168021] [2020-09-21 10:04:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,396 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:41,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 10:04:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:04:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 10:04:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 10:04:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:41,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094168021] [2020-09-21 10:04:41,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:41,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:04:41,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455354273] [2020-09-21 10:04:41,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:04:41,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:41,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:04:41,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:04:41,544 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 9 states. [2020-09-21 10:04:42,001 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:43,114 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:43,525 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:43,839 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:44,152 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:45,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:45,215 INFO L93 Difference]: Finished difference Result 324 states and 430 transitions. [2020-09-21 10:04:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 10:04:45,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-09-21 10:04:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:45,220 INFO L225 Difference]: With dead ends: 324 [2020-09-21 10:04:45,220 INFO L226 Difference]: Without dead ends: 248 [2020-09-21 10:04:45,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:04:45,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-21 10:04:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 170. [2020-09-21 10:04:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-09-21 10:04:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 196 transitions. [2020-09-21 10:04:45,269 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 196 transitions. Word has length 65 [2020-09-21 10:04:45,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:45,270 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 196 transitions. [2020-09-21 10:04:45,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:04:45,270 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 196 transitions. [2020-09-21 10:04:45,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 10:04:45,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:45,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:45,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:04:45,273 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:45,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:45,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1832666876, now seen corresponding path program 1 times [2020-09-21 10:04:45,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:45,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527150995] [2020-09-21 10:04:45,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,652 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:45,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 10:04:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 10:04:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:04:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 10:04:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 10:04:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:45,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527150995] [2020-09-21 10:04:45,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:45,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 10:04:45,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388067786] [2020-09-21 10:04:45,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:04:45,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:45,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:04:45,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:04:45,790 INFO L87 Difference]: Start difference. First operand 170 states and 196 transitions. Second operand 10 states. [2020-09-21 10:04:46,183 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:47,234 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:47,582 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:47,893 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:48,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:48,128 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2020-09-21 10:04:48,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 10:04:48,129 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-09-21 10:04:48,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:48,129 INFO L225 Difference]: With dead ends: 309 [2020-09-21 10:04:48,130 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:04:48,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 10:04:48,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:04:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:04:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:04:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:04:48,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 10:04:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:48,140 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:04:48,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:04:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:04:48,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:04:48,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:04:48,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:04:48,326 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:48,499 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:48,662 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:48,830 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:48,994 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:49,158 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:49,315 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:49,478 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:49,836 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 10:04:50,183 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 10:04:50,349 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:50,510 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:50,670 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:50,825 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:50,984 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:51,146 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:51,290 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:51,575 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 10:04:51,857 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 10:04:52,138 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 10:04:52,417 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 10:04:52,757 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:04:53,107 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:04:53,265 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:53,427 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:53,585 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:53,745 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:53,908 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:54,061 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:54,215 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:54,373 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:54,534 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:54,694 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:54,851 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:55,009 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:55,162 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:55,320 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:55,477 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:55,636 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:55,789 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:55,947 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:56,121 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:56,540 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 21 [2020-09-21 10:04:56,708 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:56,861 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:57,020 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:57,181 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 10:04:57,346 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 10:04:57,634 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:04:57,912 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:04:58,200 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:04:58,477 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-21 10:04:58,836 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 10:04:59,193 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 10:04:59,619 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 22 [2020-09-21 10:04:59,787 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:59,945 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:00,102 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:00,255 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:00,412 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:00,841 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 22 [2020-09-21 10:05:00,998 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:01,152 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:01,310 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:01,471 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:05:01,629 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:05:01,895 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:02,357 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 10:05:02,592 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:02,830 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:03,073 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 10:05:03,611 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 10:05:03,882 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:05:04,299 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:05:04,524 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:04,900 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:05:05,331 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-21 10:05:05,780 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:05:06,274 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 10:05:06,498 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:06,737 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-09-21 10:05:06,970 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-09-21 10:05:07,410 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:05:07,659 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 10:05:07,878 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:05:08,102 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 10:05:08,364 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 10:05:08,848 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:05:09,263 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:05:09,268 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-09-21 10:05:09,268 INFO L268 CegarLoopResult]: For program point L407-1(lines 407 411) no Hoare annotation was computed. [2020-09-21 10:05:09,268 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 376 431) no Hoare annotation was computed. [2020-09-21 10:05:09,268 INFO L268 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-09-21 10:05:09,269 INFO L268 CegarLoopResult]: For program point L401-2(lines 401 422) no Hoare annotation was computed. [2020-09-21 10:05:09,269 INFO L268 CegarLoopResult]: For program point L423(lines 400 424) no Hoare annotation was computed. [2020-09-21 10:05:09,269 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 376 431) no Hoare annotation was computed. [2020-09-21 10:05:09,269 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 376 431) no Hoare annotation was computed. [2020-09-21 10:05:09,269 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-09-21 10:05:09,270 INFO L268 CegarLoopResult]: For program point L477-1(line 477) no Hoare annotation was computed. [2020-09-21 10:05:09,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 432 491) no Hoare annotation was computed. [2020-09-21 10:05:09,270 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-09-21 10:05:09,270 INFO L268 CegarLoopResult]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2020-09-21 10:05:09,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 432 491) no Hoare annotation was computed. [2020-09-21 10:05:09,270 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 10:05:09,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 432 491) no Hoare annotation was computed. [2020-09-21 10:05:09,270 INFO L268 CegarLoopResult]: For program point L458-2(lines 458 483) no Hoare annotation was computed. [2020-09-21 10:05:09,271 INFO L268 CegarLoopResult]: For program point L484(lines 457 485) no Hoare annotation was computed. [2020-09-21 10:05:09,271 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 10:05:09,271 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 10:05:09,271 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 10:05:09,271 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 10:05:09,271 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 10:05:09,272 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 198 220) 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))) [2020-09-21 10:05:09,272 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 198 220) no Hoare annotation was computed. [2020-09-21 10:05:09,272 INFO L264 CegarLoopResult]: At program point L210(line 210) 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) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 10:05:09,272 INFO L264 CegarLoopResult]: At program point L210-1(line 210) 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) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 10:05:09,273 INFO L268 CegarLoopResult]: For program point L208(lines 208 215) no Hoare annotation was computed. [2020-09-21 10:05:09,273 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 215) no Hoare annotation was computed. [2020-09-21 10:05:09,273 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-09-21 10:05:09,273 INFO L264 CegarLoopResult]: At program point L205(line 205) 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))) [2020-09-21 10:05:09,273 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 198 220) no Hoare annotation was computed. [2020-09-21 10:05:09,273 INFO L264 CegarLoopResult]: At program point L204(line 204) 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))) [2020-09-21 10:05:09,274 INFO L264 CegarLoopResult]: At program point L204-1(line 204) 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))) [2020-09-21 10:05:09,274 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-09-21 10:05:09,274 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 10:05:09,274 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 155 178) no Hoare annotation was computed. [2020-09-21 10:05:09,274 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 155 178) no Hoare annotation was computed. [2020-09-21 10:05:09,274 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 155 178) no Hoare annotation was computed. [2020-09-21 10:05:09,274 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-09-21 10:05:09,275 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-09-21 10:05:09,276 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 10:05:09,276 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-09-21 10:05:09,276 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 798 806) no Hoare annotation was computed. [2020-09-21 10:05:09,276 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 798 806) the Hoare annotation is: true [2020-09-21 10:05:09,276 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 798 806) no Hoare annotation was computed. [2020-09-21 10:05:09,276 INFO L268 CegarLoopResult]: For program point L850-1(line 850) no Hoare annotation was computed. [2020-09-21 10:05:09,276 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 843 861) the Hoare annotation is: true [2020-09-21 10:05:09,276 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 843 861) no Hoare annotation was computed. [2020-09-21 10:05:09,276 INFO L268 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-09-21 10:05:09,276 INFO L271 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: true [2020-09-21 10:05:09,276 INFO L268 CegarLoopResult]: For program point L852-2(lines 852 856) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 843 861) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point L826(lines 826 834) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 807 842) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point L814(lines 814 822) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point L814-2(lines 814 822) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 807 842) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point L837-1(line 837) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 807 842) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 10:05:09,277 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 330 375) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 330 375) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 330 375) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 643 688) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point L663(lines 663 670) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point L657(lines 657 677) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 677) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 643 688) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 643 688) no Hoare annotation was computed. [2020-09-21 10:05:09,278 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 10:05:09,279 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 187 197) 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))) [2020-09-21 10:05:09,279 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 187 197) no Hoare annotation was computed. [2020-09-21 10:05:09,279 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 187 197) no Hoare annotation was computed. [2020-09-21 10:05:09,279 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 787 797) no Hoare annotation was computed. [2020-09-21 10:05:09,279 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 787 797) no Hoare annotation was computed. [2020-09-21 10:05:09,279 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-09-21 10:05:09,279 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-09-21 10:05:09,279 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 787 797) no Hoare annotation was computed. [2020-09-21 10:05:09,279 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 779 786) the Hoare annotation is: true [2020-09-21 10:05:09,280 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 779 786) no Hoare annotation was computed. [2020-09-21 10:05:09,280 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 779 786) no Hoare annotation was computed. [2020-09-21 10:05:09,280 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-09-21 10:05:09,280 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,280 INFO L268 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-09-21 10:05:09,280 INFO L268 CegarLoopResult]: For program point L732(lines 732 749) no Hoare annotation was computed. [2020-09-21 10:05:09,280 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 728 752) no Hoare annotation was computed. [2020-09-21 10:05:09,280 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 728 752) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,281 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,281 INFO L268 CegarLoopResult]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2020-09-21 10:05:09,281 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,281 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,281 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2020-09-21 10:05:09,281 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2020-09-21 10:05:09,282 INFO L264 CegarLoopResult]: At program point L929(lines 880 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:05:09,282 INFO L264 CegarLoopResult]: At program point testENTRY(lines 871 936) 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))) [2020-09-21 10:05:09,282 INFO L268 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-09-21 10:05:09,282 INFO L268 CegarLoopResult]: For program point testFINAL(lines 871 936) no Hoare annotation was computed. [2020-09-21 10:05:09,282 INFO L264 CegarLoopResult]: At program point L919-2(lines 911 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:05:09,282 INFO L268 CegarLoopResult]: For program point L882(lines 881 928) no Hoare annotation was computed. [2020-09-21 10:05:09,283 INFO L264 CegarLoopResult]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:05:09,283 INFO L268 CegarLoopResult]: For program point L911(lines 911 924) no Hoare annotation was computed. [2020-09-21 10:05:09,283 INFO L264 CegarLoopResult]: At program point L903(line 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:05:09,283 INFO L268 CegarLoopResult]: For program point L901(lines 901 907) no Hoare annotation was computed. [2020-09-21 10:05:09,283 INFO L268 CegarLoopResult]: For program point L901-1(lines 901 907) no Hoare annotation was computed. [2020-09-21 10:05:09,283 INFO L264 CegarLoopResult]: At program point L926(lines 881 928) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:05:09,283 INFO L264 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:05:09,284 INFO L268 CegarLoopResult]: For program point L891(lines 891 897) no Hoare annotation was computed. [2020-09-21 10:05:09,284 INFO L268 CegarLoopResult]: For program point L891-1(lines 891 897) no Hoare annotation was computed. [2020-09-21 10:05:09,284 INFO L268 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2020-09-21 10:05:09,284 INFO L268 CegarLoopResult]: For program point testEXIT(lines 871 936) no Hoare annotation was computed. [2020-09-21 10:05:09,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 597 642) no Hoare annotation was computed. [2020-09-21 10:05:09,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 597 642) no Hoare annotation was computed. [2020-09-21 10:05:09,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 597 642) no Hoare annotation was computed. [2020-09-21 10:05:09,284 INFO L268 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-09-21 10:05:09,285 INFO L268 CegarLoopResult]: For program point L611(lines 611 631) no Hoare annotation was computed. [2020-09-21 10:05:09,285 INFO L268 CegarLoopResult]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2020-09-21 10:05:09,285 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 753 760) no Hoare annotation was computed. [2020-09-21 10:05:09,285 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 753 760) no Hoare annotation was computed. [2020-09-21 10:05:09,285 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 753 760) no Hoare annotation was computed. [2020-09-21 10:05:09,285 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 305 313) no Hoare annotation was computed. [2020-09-21 10:05:09,285 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 305 313) the Hoare annotation is: true [2020-09-21 10:05:09,285 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 305 313) no Hoare annotation was computed. [2020-09-21 10:05:09,286 INFO L268 CegarLoopResult]: For program point L98-1(lines 90 118) no Hoare annotation was computed. [2020-09-21 10:05:09,286 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:05:09,286 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-09-21 10:05:09,286 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 90 118) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:05:09,286 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 10:05:09,286 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-09-21 10:05:09,286 INFO L268 CegarLoopResult]: For program point L102(lines 102 112) no Hoare annotation was computed. [2020-09-21 10:05:09,286 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-09-21 10:05:09,287 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 90 118) no Hoare annotation was computed. [2020-09-21 10:05:09,287 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-09-21 10:05:09,287 INFO L268 CegarLoopResult]: For program point L98(lines 98 115) no Hoare annotation was computed. [2020-09-21 10:05:09,287 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 82 89) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:05:09,287 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 82 89) no Hoare annotation was computed. [2020-09-21 10:05:09,287 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 82 89) no Hoare annotation was computed. [2020-09-21 10:05:09,287 INFO L268 CegarLoopResult]: For program point L281(lines 281 289) no Hoare annotation was computed. [2020-09-21 10:05:09,288 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 273 295) no Hoare annotation was computed. [2020-09-21 10:05:09,288 INFO L268 CegarLoopResult]: For program point L281-2(lines 281 289) no Hoare annotation was computed. [2020-09-21 10:05:09,288 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 273 295) no Hoare annotation was computed. [2020-09-21 10:05:09,288 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 273 295) no Hoare annotation was computed. [2020-09-21 10:05:09,288 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 10:05:09,288 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 10:05:09,288 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 10:05:09,288 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-09-21 10:05:09,289 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 494 596) no Hoare annotation was computed. [2020-09-21 10:05:09,289 INFO L268 CegarLoopResult]: For program point L543-2(lines 543 563) no Hoare annotation was computed. [2020-09-21 10:05:09,289 INFO L268 CegarLoopResult]: For program point L564(lines 542 565) no Hoare annotation was computed. [2020-09-21 10:05:09,289 INFO L268 CegarLoopResult]: For program point L523(lines 523 539) no Hoare annotation was computed. [2020-09-21 10:05:09,289 INFO L268 CegarLoopResult]: For program point L583(lines 583 590) no Hoare annotation was computed. [2020-09-21 10:05:09,289 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 494 596) no Hoare annotation was computed. [2020-09-21 10:05:09,289 INFO L268 CegarLoopResult]: For program point L544(lines 543 563) no Hoare annotation was computed. [2020-09-21 10:05:09,289 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-09-21 10:05:09,290 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-09-21 10:05:09,290 INFO L268 CegarLoopResult]: For program point L540(lines 540 581) no Hoare annotation was computed. [2020-09-21 10:05:09,290 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 494 596) no Hoare annotation was computed. [2020-09-21 10:05:09,290 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 10:05:09,290 INFO L268 CegarLoopResult]: For program point L559-1(line 559) no Hoare annotation was computed. [2020-09-21 10:05:09,290 INFO L268 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-09-21 10:05:09,290 INFO L268 CegarLoopResult]: For program point L582(lines 582 593) no Hoare annotation was computed. [2020-09-21 10:05:09,290 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:05:09,291 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 10:05:09,291 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:05:09,291 INFO L268 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2020-09-21 10:05:09,291 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-09-21 10:05:09,291 INFO L268 CegarLoopResult]: For program point L767-1(line 767) no Hoare annotation was computed. [2020-09-21 10:05:09,291 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 762 778) no Hoare annotation was computed. [2020-09-21 10:05:09,292 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 762 778) no Hoare annotation was computed. [2020-09-21 10:05:09,292 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-09-21 10:05:09,292 INFO L268 CegarLoopResult]: For program point L773-1(lines 762 778) no Hoare annotation was computed. [2020-09-21 10:05:09,292 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 296 304) no Hoare annotation was computed. [2020-09-21 10:05:09,292 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 296 304) no Hoare annotation was computed. [2020-09-21 10:05:09,292 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 296 304) no Hoare annotation was computed. [2020-09-21 10:05:09,292 INFO L268 CegarLoopResult]: For program point L256-1(lines 252 263) no Hoare annotation was computed. [2020-09-21 10:05:09,293 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 252 263) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 10:05:09,293 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 252 263) no Hoare annotation was computed. [2020-09-21 10:05:09,293 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:05:09,293 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 10:05:09,293 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:05:09,293 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 264 272) the Hoare annotation is: true [2020-09-21 10:05:09,293 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 264 272) no Hoare annotation was computed. [2020-09-21 10:05:09,293 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 264 272) no Hoare annotation was computed. [2020-09-21 10:05:09,294 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,294 INFO L268 CegarLoopResult]: For program point L700(lines 699 718) no Hoare annotation was computed. [2020-09-21 10:05:09,294 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 696 719) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,294 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2020-09-21 10:05:09,294 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2020-09-21 10:05:09,294 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,294 INFO L264 CegarLoopResult]: At program point L707(lines 707 713) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:05:09,295 INFO L271 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: true [2020-09-21 10:05:09,295 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 122 151) no Hoare annotation was computed. [2020-09-21 10:05:09,295 INFO L268 CegarLoopResult]: For program point L128-1(line 128) no Hoare annotation was computed. [2020-09-21 10:05:09,295 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 122 151) the Hoare annotation is: true [2020-09-21 10:05:09,295 INFO L271 CegarLoopResult]: At program point L147(lines 122 151) the Hoare annotation is: true [2020-09-21 10:05:09,295 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-09-21 10:05:09,295 INFO L268 CegarLoopResult]: For program point L136(lines 136 140) no Hoare annotation was computed. [2020-09-21 10:05:09,296 INFO L271 CegarLoopResult]: At program point L136-1(lines 136 140) the Hoare annotation is: true [2020-09-21 10:05:09,296 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 10:05:09,296 INFO L271 CegarLoopResult]: At program point L132-2(lines 132 146) the Hoare annotation is: true [2020-09-21 10:05:09,296 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 228 239) the Hoare annotation is: true [2020-09-21 10:05:09,296 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 228 239) no Hoare annotation was computed. [2020-09-21 10:05:09,296 INFO L268 CegarLoopResult]: For program point L232-1(lines 228 239) no Hoare annotation was computed. [2020-09-21 10:05:09,296 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 179 185) no Hoare annotation was computed. [2020-09-21 10:05:09,297 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 179 185) the Hoare annotation is: true [2020-09-21 10:05:09,297 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:05:09,297 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 10:05:09,297 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 10:05:09,297 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:05:09,297 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 862 869) no Hoare annotation was computed. [2020-09-21 10:05:09,297 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 862 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 10:05:09,298 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 862 869) no Hoare annotation was computed. [2020-09-21 10:05:09,298 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 240 251) no Hoare annotation was computed. [2020-09-21 10:05:09,298 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 240 251) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 10:05:09,298 INFO L268 CegarLoopResult]: For program point L244-1(lines 240 251) no Hoare annotation was computed. [2020-09-21 10:05:09,298 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 315 322) no Hoare annotation was computed. [2020-09-21 10:05:09,298 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2020-09-21 10:05:09,298 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 315 322) the Hoare annotation is: true [2020-09-21 10:05:09,299 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 315 322) no Hoare annotation was computed. [2020-09-21 10:05:09,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:05:09 BoogieIcfgContainer [2020-09-21 10:05:09,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:05:09,321 INFO L168 Benchmark]: Toolchain (without parser) took 37543.00 ms. Allocated memory was 141.0 MB in the beginning and 551.6 MB in the end (delta: 410.5 MB). Free memory was 103.3 MB in the beginning and 409.9 MB in the end (delta: -306.6 MB). Peak memory consumption was 427.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:05:09,322 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 10:05:09,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.49 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 174.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-09-21 10:05:09,323 INFO L168 Benchmark]: Boogie Preprocessor took 103.31 ms. Allocated memory is still 205.5 MB. Free memory was 174.0 MB in the beginning and 169.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-09-21 10:05:09,324 INFO L168 Benchmark]: RCFGBuilder took 1132.87 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 169.3 MB in the beginning and 196.5 MB in the end (delta: -27.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-09-21 10:05:09,325 INFO L168 Benchmark]: TraceAbstraction took 35610.99 ms. Allocated memory was 237.0 MB in the beginning and 551.6 MB in the end (delta: 314.6 MB). Free memory was 196.5 MB in the beginning and 409.9 MB in the end (delta: -213.5 MB). Peak memory consumption was 424.6 MB. Max. memory is 7.1 GB. [2020-09-21 10:05:09,328 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.49 ms. Allocated memory was 141.0 MB in the beginning and 205.5 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 174.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.31 ms. Allocated memory is still 205.5 MB. Free memory was 174.0 MB in the beginning and 169.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1132.87 ms. Allocated memory was 205.5 MB in the beginning and 237.0 MB in the end (delta: 31.5 MB). Free memory was 169.3 MB in the beginning and 196.5 MB in the end (delta: -27.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35610.99 ms. Allocated memory was 237.0 MB in the beginning and 551.6 MB in the end (delta: 314.6 MB). Free memory was 196.5 MB in the beginning and 409.9 MB in the end (delta: -213.5 MB). Peak memory consumption was 424.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 319]: 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: 881]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 454 SDtfs, 932 SDslu, 389 SDs, 0 SdLazy, 1836 SolverSat, 708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 169 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 258 PreInvPairs, 296 NumberOfFragments, 833 HoareAnnotationTreeSize, 258 FomulaSimplifications, 110253 FormulaSimplificationTreeSizeReduction, 13.4s HoareSimplificationTime, 53 FomulaSimplificationsInter, 7853 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 85909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...