/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 02:49:23,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:49:23,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:49:23,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:49:23,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:49:23,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:49:23,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:49:23,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:49:23,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:49:23,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:49:23,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:49:23,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:49:23,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:49:23,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:49:23,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:49:23,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:49:23,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:49:23,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:49:23,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:49:23,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:49:23,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:49:23,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:49:23,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:49:23,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:49:23,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:49:23,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:49:23,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:49:23,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:49:23,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:49:23,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:49:23,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:49:23,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:49:23,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:49:23,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:49:23,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:49:23,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:49:23,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:49:23,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:49:23,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:49:23,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:49:23,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:49:23,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 02:49:23,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:49:23,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:49:23,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:49:23,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:49:23,514 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:49:23,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:49:23,514 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:49:23,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:49:23,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:49:23,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:49:23,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:49:23,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:49:23,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:49:23,517 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:49:23,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:49:23,517 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:49:23,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:49:23,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:49:23,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:49:23,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:49:23,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:49:23,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:49:23,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:49:23,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:49:23,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:49:23,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:49:23,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:49:23,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:49:23,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:49:23,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-22 02:49:23,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:49:23,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:49:23,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:49:23,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:49:23,825 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:49:23,825 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-08-22 02:49:23,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efa733235/1e510449c824427a891390602b764b5a/FLAG212c0e494 [2020-08-22 02:49:24,444 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:49:24,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product08.cil.c [2020-08-22 02:49:24,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efa733235/1e510449c824427a891390602b764b5a/FLAG212c0e494 [2020-08-22 02:49:24,736 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/efa733235/1e510449c824427a891390602b764b5a [2020-08-22 02:49:24,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:49:24,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:49:24,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:49:24,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:49:24,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:49:24,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:49:24" (1/1) ... [2020-08-22 02:49:24,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256ae262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:24, skipping insertion in model container [2020-08-22 02:49:24,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:49:24" (1/1) ... [2020-08-22 02:49:24,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:49:24,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:49:25,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:49:25,188 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:49:25,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:49:25,417 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:49:25,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25 WrapperNode [2020-08-22 02:49:25,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:49:25,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:49:25,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:49:25,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:49:25,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (1/1) ... [2020-08-22 02:49:25,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (1/1) ... [2020-08-22 02:49:25,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (1/1) ... [2020-08-22 02:49:25,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (1/1) ... [2020-08-22 02:49:25,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (1/1) ... [2020-08-22 02:49:25,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (1/1) ... [2020-08-22 02:49:25,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (1/1) ... [2020-08-22 02:49:25,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:49:25,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:49:25,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:49:25,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:49:25,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:49:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:49:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:49:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:49:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 02:49:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 02:49:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:49:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 02:49:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:49:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:49:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:49:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:49:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:49:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:49:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:49:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 02:49:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 02:49:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 02:49:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 02:49:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 02:49:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 02:49:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:49:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:49:25,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:49:25,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:49:25,623 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:49:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:49:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:49:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:49:25,624 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 02:49:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 02:49:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 02:49:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 02:49:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 02:49:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 02:49:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 02:49:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 02:49:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-22 02:49:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 02:49:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:49:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:49:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:49:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 02:49:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 02:49:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:49:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:49:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:49:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:49:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:49:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:49:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:49:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:49:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:49:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:49:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:49:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:49:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 02:49:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 02:49:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 02:49:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 02:49:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:49:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:49:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 02:49:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 02:49:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 02:49:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-22 02:49:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 02:49:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 02:49:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 02:49:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 02:49:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 02:49:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:49:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:49:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:49:26,647 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:49:26,647 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 02:49:26,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:49:26 BoogieIcfgContainer [2020-08-22 02:49:26,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:49:26,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:49:26,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:49:26,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:49:26,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:49:24" (1/3) ... [2020-08-22 02:49:26,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4303c74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:49:26, skipping insertion in model container [2020-08-22 02:49:26,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:49:25" (2/3) ... [2020-08-22 02:49:26,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4303c74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:49:26, skipping insertion in model container [2020-08-22 02:49:26,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:49:26" (3/3) ... [2020-08-22 02:49:26,662 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product08.cil.c [2020-08-22 02:49:26,673 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:49:26,681 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:49:26,696 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:49:26,722 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:49:26,722 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:49:26,723 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:49:26,723 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:49:26,723 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:49:26,723 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:49:26,724 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:49:26,724 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:49:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-08-22 02:49:26,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 02:49:26,757 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:49:26,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:49:26,759 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:49:26,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:49:26,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1535792598, now seen corresponding path program 1 times [2020-08-22 02:49:26,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:49:26,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [946866293] [2020-08-22 02:49:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:49:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,479 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:49:27,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:49:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:49:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:49:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:49:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:49:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:49:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 02:49:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 02:49:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:49:27,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [946866293] [2020-08-22 02:49:27,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:49:27,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 02:49:27,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150888562] [2020-08-22 02:49:27,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 02:49:27,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:49:27,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 02:49:27,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:49:27,672 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 4 states. [2020-08-22 02:49:28,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:49:28,759 INFO L93 Difference]: Finished difference Result 261 states and 347 transitions. [2020-08-22 02:49:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 02:49:28,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 02:49:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:49:28,775 INFO L225 Difference]: With dead ends: 261 [2020-08-22 02:49:28,776 INFO L226 Difference]: Without dead ends: 148 [2020-08-22 02:49:28,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 02:49:28,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-22 02:49:28,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2020-08-22 02:49:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 02:49:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 134 transitions. [2020-08-22 02:49:28,867 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 134 transitions. Word has length 51 [2020-08-22 02:49:28,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:49:28,867 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 134 transitions. [2020-08-22 02:49:28,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 02:49:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 134 transitions. [2020-08-22 02:49:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 02:49:28,871 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:49:28,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:49:28,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:49:28,872 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:49:28,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:49:28,872 INFO L82 PathProgramCache]: Analyzing trace with hash 626792369, now seen corresponding path program 1 times [2020-08-22 02:49:28,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:49:28,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99402265] [2020-08-22 02:49:28,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:49:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,243 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:49:29,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:49:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:49:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:49:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:49:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:49:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:49:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:49:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 02:49:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:49:29,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99402265] [2020-08-22 02:49:29,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:49:29,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 02:49:29,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532873526] [2020-08-22 02:49:29,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 02:49:29,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:49:29,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 02:49:29,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 02:49:29,297 INFO L87 Difference]: Start difference. First operand 114 states and 134 transitions. Second operand 5 states. [2020-08-22 02:49:29,761 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:49:30,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:49:30,607 INFO L93 Difference]: Finished difference Result 196 states and 246 transitions. [2020-08-22 02:49:30,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 02:49:30,608 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 02:49:30,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:49:30,611 INFO L225 Difference]: With dead ends: 196 [2020-08-22 02:49:30,611 INFO L226 Difference]: Without dead ends: 138 [2020-08-22 02:49:30,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 02:49:30,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-22 02:49:30,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 105. [2020-08-22 02:49:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-22 02:49:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2020-08-22 02:49:30,648 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 52 [2020-08-22 02:49:30,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:49:30,649 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2020-08-22 02:49:30,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 02:49:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2020-08-22 02:49:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-22 02:49:30,651 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:49:30,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:49:30,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:49:30,652 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:49:30,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:49:30,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1563941770, now seen corresponding path program 1 times [2020-08-22 02:49:30,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:49:30,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151476444] [2020-08-22 02:49:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:49:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:30,987 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:49:30,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:49:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:31,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:49:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:31,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:49:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:31,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:49:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:31,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:49:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:31,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:49:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:31,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 02:49:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:31,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-22 02:49:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:49:31,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151476444] [2020-08-22 02:49:31,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:49:31,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:49:31,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880911665] [2020-08-22 02:49:31,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:49:31,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:49:31,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:49:31,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:49:31,124 INFO L87 Difference]: Start difference. First operand 105 states and 122 transitions. Second operand 9 states. [2020-08-22 02:49:31,509 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:49:31,810 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:32,087 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:32,333 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:33,134 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 02:49:34,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:49:34,415 INFO L93 Difference]: Finished difference Result 363 states and 463 transitions. [2020-08-22 02:49:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 02:49:34,416 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-22 02:49:34,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:49:34,421 INFO L225 Difference]: With dead ends: 363 [2020-08-22 02:49:34,421 INFO L226 Difference]: Without dead ends: 286 [2020-08-22 02:49:34,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-22 02:49:34,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-08-22 02:49:34,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 221. [2020-08-22 02:49:34,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-08-22 02:49:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 270 transitions. [2020-08-22 02:49:34,503 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 270 transitions. Word has length 57 [2020-08-22 02:49:34,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:49:34,505 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 270 transitions. [2020-08-22 02:49:34,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:49:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 270 transitions. [2020-08-22 02:49:34,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-22 02:49:34,512 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:49:34,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:49:34,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:49:34,513 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:49:34,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:49:34,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1958499685, now seen corresponding path program 1 times [2020-08-22 02:49:34,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:49:34,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016787768] [2020-08-22 02:49:34,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:49:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,851 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:49:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:49:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:49:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:49:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:49:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:49:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:49:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 02:49:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 02:49:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 02:49:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:49:34,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016787768] [2020-08-22 02:49:34,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:49:34,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:49:34,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463491960] [2020-08-22 02:49:34,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:49:34,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:49:34,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:49:34,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:49:34,953 INFO L87 Difference]: Start difference. First operand 221 states and 270 transitions. Second operand 9 states. [2020-08-22 02:49:35,320 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:49:36,375 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:36,747 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:49:36,982 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:37,254 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:38,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:49:38,035 INFO L93 Difference]: Finished difference Result 712 states and 966 transitions. [2020-08-22 02:49:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 02:49:38,036 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-22 02:49:38,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:49:38,043 INFO L225 Difference]: With dead ends: 712 [2020-08-22 02:49:38,043 INFO L226 Difference]: Without dead ends: 519 [2020-08-22 02:49:38,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 02:49:38,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-08-22 02:49:38,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 390. [2020-08-22 02:49:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-08-22 02:49:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 480 transitions. [2020-08-22 02:49:38,157 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 480 transitions. Word has length 62 [2020-08-22 02:49:38,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:49:38,158 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 480 transitions. [2020-08-22 02:49:38,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:49:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 480 transitions. [2020-08-22 02:49:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-22 02:49:38,160 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:49:38,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 02:49:38,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:49:38,161 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:49:38,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:49:38,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2068118967, now seen corresponding path program 1 times [2020-08-22 02:49:38,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:49:38,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898687953] [2020-08-22 02:49:38,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:49:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,457 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:49:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:49:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:49:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:49:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:49:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:49:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:49:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 02:49:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 02:49:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 02:49:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 02:49:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:49:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 02:49:38,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898687953] [2020-08-22 02:49:38,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:49:38,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 02:49:38,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485911711] [2020-08-22 02:49:38,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:49:38,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:49:38,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:49:38,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:49:38,565 INFO L87 Difference]: Start difference. First operand 390 states and 480 transitions. Second operand 10 states. [2020-08-22 02:49:38,998 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 02:49:40,041 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:40,304 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:40,546 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 02:49:41,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:49:41,084 INFO L93 Difference]: Finished difference Result 791 states and 1081 transitions. [2020-08-22 02:49:41,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 02:49:41,084 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-22 02:49:41,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:49:41,088 INFO L225 Difference]: With dead ends: 791 [2020-08-22 02:49:41,088 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 02:49:41,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-22 02:49:41,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 02:49:41,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 02:49:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 02:49:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 02:49:41,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-22 02:49:41,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:49:41,100 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 02:49:41,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:49:41,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 02:49:41,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 02:49:41,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:49:41,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 02:49:41,619 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 6 [2020-08-22 02:49:45,159 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-22 02:49:45,331 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:49:45,492 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-22 02:49:45,693 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:49:45,867 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:49:46,171 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-22 02:49:46,400 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 02:49:46,772 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-22 02:49:47,268 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-22 02:49:47,420 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 02:49:47,739 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-22 02:49:48,096 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 02:49:48,419 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-22 02:49:48,597 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:49:48,784 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:49:49,128 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-22 02:49:49,286 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 02:49:49,454 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-22 02:49:49,624 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-22 02:49:50,003 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-22 02:49:50,316 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 02:49:50,492 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 02:49:50,685 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-22 02:49:51,065 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-22 02:49:51,378 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-22 02:49:51,381 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-08-22 02:49:51,382 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2020-08-22 02:49:51,382 INFO L268 CegarLoopResult]: For program point L245(lines 222 246) no Hoare annotation was computed. [2020-08-22 02:49:51,382 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 198 253) no Hoare annotation was computed. [2020-08-22 02:49:51,382 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2020-08-22 02:49:51,382 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-08-22 02:49:51,382 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-08-22 02:49:51,382 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2020-08-22 02:49:51,382 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 290) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point L306(lines 279 307) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-08-22 02:49:51,383 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2020-08-22 02:49:51,384 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 623 629) the Hoare annotation is: true [2020-08-22 02:49:51,384 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 623 629) no Hoare annotation was computed. [2020-08-22 02:49:51,384 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 630 638) no Hoare annotation was computed. [2020-08-22 02:49:51,384 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 630 638) the Hoare annotation is: true [2020-08-22 02:49:51,384 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 630 638) no Hoare annotation was computed. [2020-08-22 02:49:51,384 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,384 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,385 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,385 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,385 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-22 02:49:51,385 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-22 02:49:51,385 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,386 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,386 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-22 02:49:51,386 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-22 02:49:51,386 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 02:49:51,386 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:49:51,386 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-22 02:49:51,386 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:49:51,387 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-22 02:49:51,387 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-22 02:49:51,387 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 02:49:51,387 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-22 02:49:51,387 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-22 02:49:51,387 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 02:49:51,387 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-22 02:49:51,387 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-22 02:49:51,388 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 02:49:51,388 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-22 02:49:51,388 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-22 02:49:51,388 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 02:49:51,388 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-22 02:49:51,388 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-22 02:49:51,388 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 885 899) no Hoare annotation was computed. [2020-08-22 02:49:51,389 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-22 02:49:51,389 INFO L268 CegarLoopResult]: For program point L889(lines 889 895) no Hoare annotation was computed. [2020-08-22 02:49:51,389 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 885 899) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-22 02:49:51,389 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 885 899) no Hoare annotation was computed. [2020-08-22 02:49:51,389 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 840 848) no Hoare annotation was computed. [2020-08-22 02:49:51,389 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 840 848) the Hoare annotation is: true [2020-08-22 02:49:51,389 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 840 848) no Hoare annotation was computed. [2020-08-22 02:49:51,389 INFO L268 CegarLoopResult]: For program point L856(lines 856 864) no Hoare annotation was computed. [2020-08-22 02:49:51,390 INFO L268 CegarLoopResult]: For program point L856-2(lines 856 864) no Hoare annotation was computed. [2020-08-22 02:49:51,390 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-08-22 02:49:51,390 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 849 884) no Hoare annotation was computed. [2020-08-22 02:49:51,390 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-08-22 02:49:51,390 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 849 884) no Hoare annotation was computed. [2020-08-22 02:49:51,390 INFO L268 CegarLoopResult]: For program point L868(lines 868 876) no Hoare annotation was computed. [2020-08-22 02:49:51,390 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 849 884) no Hoare annotation was computed. [2020-08-22 02:49:51,390 INFO L268 CegarLoopResult]: For program point L868-2(lines 868 876) no Hoare annotation was computed. [2020-08-22 02:49:51,391 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 616 622) no Hoare annotation was computed. [2020-08-22 02:49:51,391 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 616 622) the Hoare annotation is: true [2020-08-22 02:49:51,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2020-08-22 02:49:51,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2020-08-22 02:49:51,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 152 197) no Hoare annotation was computed. [2020-08-22 02:49:51,391 INFO L268 CegarLoopResult]: For program point L479(lines 479 499) no Hoare annotation was computed. [2020-08-22 02:49:51,391 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 499) no Hoare annotation was computed. [2020-08-22 02:49:51,391 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 465 510) no Hoare annotation was computed. [2020-08-22 02:49:51,391 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2020-08-22 02:49:51,392 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2020-08-22 02:49:51,392 INFO L268 CegarLoopResult]: For program point L485(lines 485 492) no Hoare annotation was computed. [2020-08-22 02:49:51,392 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,392 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,392 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-22 02:49:51,392 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-22 02:49:51,392 INFO L268 CegarLoopResult]: For program point L834-1(line 834) no Hoare annotation was computed. [2020-08-22 02:49:51,393 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 829 839) the Hoare annotation is: true [2020-08-22 02:49:51,393 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 829 839) no Hoare annotation was computed. [2020-08-22 02:49:51,393 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 829 839) no Hoare annotation was computed. [2020-08-22 02:49:51,393 INFO L271 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: true [2020-08-22 02:49:51,393 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 821 828) the Hoare annotation is: true [2020-08-22 02:49:51,393 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 821 828) no Hoare annotation was computed. [2020-08-22 02:49:51,393 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 821 828) no Hoare annotation was computed. [2020-08-22 02:49:51,394 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:49:51,394 INFO L268 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2020-08-22 02:49:51,394 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:49:51,394 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-08-22 02:49:51,394 INFO L268 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2020-08-22 02:49:51,394 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 788 812) no Hoare annotation was computed. [2020-08-22 02:49:51,394 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 788 812) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:49:51,395 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:49:51,395 INFO L268 CegarLoopResult]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2020-08-22 02:49:51,395 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:49:51,395 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2020-08-22 02:49:51,395 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2020-08-22 02:49:51,395 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:49:51,395 INFO L264 CegarLoopResult]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,395 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-08-22 02:49:51,396 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2020-08-22 02:49:51,396 INFO L268 CegarLoopResult]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2020-08-22 02:49:51,396 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-08-22 02:49:51,396 INFO L264 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 02:49:51,396 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:49:51,396 INFO L268 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2020-08-22 02:49:51,396 INFO L264 CegarLoopResult]: At program point L730-1(lines 722 737) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:49:51,397 INFO L268 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2020-08-22 02:49:51,397 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:49:51,397 INFO L268 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2020-08-22 02:49:51,397 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:49:51,397 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-08-22 02:49:51,397 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-08-22 02:49:51,397 INFO L264 CegarLoopResult]: At program point L739(lines 692 741) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 02:49:51,397 INFO L268 CegarLoopResult]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2020-08-22 02:49:51,398 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2020-08-22 02:49:51,398 INFO L268 CegarLoopResult]: For program point L439(lines 439 446) no Hoare annotation was computed. [2020-08-22 02:49:51,398 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2020-08-22 02:49:51,398 INFO L268 CegarLoopResult]: For program point L433(lines 433 453) no Hoare annotation was computed. [2020-08-22 02:49:51,398 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 419 464) no Hoare annotation was computed. [2020-08-22 02:49:51,398 INFO L268 CegarLoopResult]: For program point L433-1(lines 433 453) no Hoare annotation was computed. [2020-08-22 02:49:51,398 INFO L264 CegarLoopResult]: At program point L665(line 665) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-22 02:49:51,398 INFO L268 CegarLoopResult]: For program point L663(lines 663 669) no Hoare annotation was computed. [2020-08-22 02:49:51,398 INFO L268 CegarLoopResult]: For program point L662(lines 662 672) no Hoare annotation was computed. [2020-08-22 02:49:51,399 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-22 02:49:51,399 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-08-22 02:49:51,399 INFO L268 CegarLoopResult]: For program point L658(lines 658 675) no Hoare annotation was computed. [2020-08-22 02:49:51,399 INFO L268 CegarLoopResult]: For program point L658-1(lines 650 678) no Hoare annotation was computed. [2020-08-22 02:49:51,399 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 650 678) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:49:51,399 INFO L264 CegarLoopResult]: At program point L656(line 656) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:49:51,399 INFO L268 CegarLoopResult]: For program point L656-1(line 656) no Hoare annotation was computed. [2020-08-22 02:49:51,400 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 650 678) no Hoare annotation was computed. [2020-08-22 02:49:51,400 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 642 649) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 02:49:51,400 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 642 649) no Hoare annotation was computed. [2020-08-22 02:49:51,400 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 642 649) no Hoare annotation was computed. [2020-08-22 02:49:51,400 INFO L268 CegarLoopResult]: For program point L571(lines 571 579) no Hoare annotation was computed. [2020-08-22 02:49:51,400 INFO L268 CegarLoopResult]: For program point L571-2(lines 571 579) no Hoare annotation was computed. [2020-08-22 02:49:51,400 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 563 585) no Hoare annotation was computed. [2020-08-22 02:49:51,400 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 563 585) no Hoare annotation was computed. [2020-08-22 02:49:51,401 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 563 585) no Hoare annotation was computed. [2020-08-22 02:49:51,401 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2020-08-22 02:49:51,401 INFO L268 CegarLoopResult]: For program point L345(lines 345 361) no Hoare annotation was computed. [2020-08-22 02:49:51,401 INFO L268 CegarLoopResult]: For program point L405(lines 405 412) no Hoare annotation was computed. [2020-08-22 02:49:51,401 INFO L268 CegarLoopResult]: For program point L366(lines 365 385) no Hoare annotation was computed. [2020-08-22 02:49:51,401 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-08-22 02:49:51,401 INFO L268 CegarLoopResult]: For program point L397-1(line 397) no Hoare annotation was computed. [2020-08-22 02:49:51,401 INFO L268 CegarLoopResult]: For program point L362(lines 362 403) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point L381-1(line 381) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point L340(lines 340 344) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2020-08-22 02:49:51,402 INFO L268 CegarLoopResult]: For program point L386(lines 364 387) no Hoare annotation was computed. [2020-08-22 02:49:51,403 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 606 615) no Hoare annotation was computed. [2020-08-22 02:49:51,403 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 606 615) no Hoare annotation was computed. [2020-08-22 02:49:51,403 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 606 615) no Hoare annotation was computed. [2020-08-22 02:49:51,403 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:49:51,403 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 02:49:51,403 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:49:51,404 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 813 820) no Hoare annotation was computed. [2020-08-22 02:49:51,404 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 813 820) no Hoare annotation was computed. [2020-08-22 02:49:51,404 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 813 820) no Hoare annotation was computed. [2020-08-22 02:49:51,404 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 586 594) no Hoare annotation was computed. [2020-08-22 02:49:51,404 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 586 594) no Hoare annotation was computed. [2020-08-22 02:49:51,404 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 586 594) no Hoare annotation was computed. [2020-08-22 02:49:51,404 INFO L268 CegarLoopResult]: For program point L546-1(lines 542 553) no Hoare annotation was computed. [2020-08-22 02:49:51,404 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 542 553) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 02:49:51,404 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 542 553) no Hoare annotation was computed. [2020-08-22 02:49:51,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:49:51,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 02:49:51,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:49:51,405 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:49:51,405 INFO L264 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:49:51,405 INFO L264 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-22 02:49:51,405 INFO L268 CegarLoopResult]: For program point L760(lines 759 778) no Hoare annotation was computed. [2020-08-22 02:49:51,406 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 756 779) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 02:49:51,406 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 756 779) no Hoare annotation was computed. [2020-08-22 02:49:51,406 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 756 779) no Hoare annotation was computed. [2020-08-22 02:49:51,406 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-22 02:49:51,406 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-22 02:49:51,406 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-22 02:49:51,406 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-22 02:49:51,406 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-22 02:49:51,406 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-22 02:49:51,407 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-22 02:49:51,407 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-22 02:49:51,407 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-22 02:49:51,407 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-22 02:49:51,407 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 554 562) the Hoare annotation is: true [2020-08-22 02:49:51,407 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 554 562) no Hoare annotation was computed. [2020-08-22 02:49:51,407 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 554 562) no Hoare annotation was computed. [2020-08-22 02:49:51,407 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 518 529) the Hoare annotation is: true [2020-08-22 02:49:51,407 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 518 529) no Hoare annotation was computed. [2020-08-22 02:49:51,408 INFO L268 CegarLoopResult]: For program point L522-1(lines 518 529) no Hoare annotation was computed. [2020-08-22 02:49:51,408 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-22 02:49:51,408 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-22 02:49:51,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 02:49:51,408 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 02:49:51,408 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 02:49:51,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 02:49:51,409 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 900 907) no Hoare annotation was computed. [2020-08-22 02:49:51,409 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 900 907) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-22 02:49:51,409 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 900 907) no Hoare annotation was computed. [2020-08-22 02:49:51,409 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 530 541) no Hoare annotation was computed. [2020-08-22 02:49:51,409 INFO L268 CegarLoopResult]: For program point L534-1(lines 530 541) no Hoare annotation was computed. [2020-08-22 02:49:51,409 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 530 541) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-22 02:49:51,409 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 596 603) no Hoare annotation was computed. [2020-08-22 02:49:51,410 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 600) no Hoare annotation was computed. [2020-08-22 02:49:51,410 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 596 603) the Hoare annotation is: true [2020-08-22 02:49:51,410 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 596 603) no Hoare annotation was computed. [2020-08-22 02:49:51,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 02:49:51 BoogieIcfgContainer [2020-08-22 02:49:51,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 02:49:51,429 INFO L168 Benchmark]: Toolchain (without parser) took 26681.03 ms. Allocated memory was 141.0 MB in the beginning and 662.7 MB in the end (delta: 521.7 MB). Free memory was 102.0 MB in the beginning and 123.3 MB in the end (delta: -21.3 MB). Peak memory consumption was 538.8 MB. Max. memory is 7.1 GB. [2020-08-22 02:49:51,430 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 02:49:51,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.04 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 174.8 MB in the end (delta: -73.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2020-08-22 02:49:51,431 INFO L168 Benchmark]: Boogie Preprocessor took 123.36 ms. Allocated memory is still 204.5 MB. Free memory was 174.8 MB in the beginning and 170.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-22 02:49:51,432 INFO L168 Benchmark]: RCFGBuilder took 1110.62 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.9 MB in the beginning and 198.5 MB in the end (delta: -27.6 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-08-22 02:49:51,433 INFO L168 Benchmark]: TraceAbstraction took 24772.76 ms. Allocated memory was 235.9 MB in the beginning and 662.7 MB in the end (delta: 426.8 MB). Free memory was 198.5 MB in the beginning and 123.3 MB in the end (delta: 75.2 MB). Peak memory consumption was 540.4 MB. Max. memory is 7.1 GB. [2020-08-22 02:49:51,442 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.04 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 174.8 MB in the end (delta: -73.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.36 ms. Allocated memory is still 204.5 MB. Free memory was 174.8 MB in the beginning and 170.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1110.62 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.9 MB in the beginning and 198.5 MB in the end (delta: -27.6 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24772.76 ms. Allocated memory was 235.9 MB in the beginning and 662.7 MB in the end (delta: 426.8 MB). Free memory was 198.5 MB in the beginning and 123.3 MB in the end (delta: 75.2 MB). Peak memory consumption was 540.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 600]: 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: 692]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 496 SDtfs, 1140 SDslu, 567 SDs, 0 SdLazy, 2362 SolverSat, 946 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred 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, 261 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 538 PreInvPairs, 665 NumberOfFragments, 802 HoareAnnotationTreeSize, 538 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 55 FomulaSimplificationsInter, 17680 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...