/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 04:08:23,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 04:08:23,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 04:08:23,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 04:08:23,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 04:08:23,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 04:08:23,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 04:08:23,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 04:08:23,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 04:08:23,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 04:08:23,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 04:08:23,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 04:08:23,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 04:08:23,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 04:08:23,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 04:08:23,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 04:08:23,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 04:08:23,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 04:08:23,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 04:08:23,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 04:08:23,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 04:08:23,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 04:08:23,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 04:08:23,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 04:08:23,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 04:08:23,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 04:08:23,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 04:08:23,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 04:08:23,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 04:08:23,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 04:08:23,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 04:08:23,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 04:08:23,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 04:08:23,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 04:08:23,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 04:08:23,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 04:08:23,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 04:08:23,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 04:08:23,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 04:08:23,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 04:08:23,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 04:08:23,555 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 [2020-08-19 04:08:23,601 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 04:08:23,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 04:08:23,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 04:08:23,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 04:08:23,607 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 04:08:23,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 04:08:23,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 04:08:23,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 04:08:23,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 04:08:23,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 04:08:23,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 04:08:23,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 04:08:23,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 04:08:23,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 04:08:23,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 04:08:23,610 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 04:08:23,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 04:08:23,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 04:08:23,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 04:08:23,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 04:08:23,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 04:08:23,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 04:08:23,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 04:08:23,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 04:08:23,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 04:08:23,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 04:08:23,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 04:08:23,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 04:08:23,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 04:08:23,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; [2020-08-19 04:08:23,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 04:08:23,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 04:08:23,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 04:08:23,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 04:08:23,942 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 04:08:23,942 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-08-19 04:08:24,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b33ac60d/d45602b359564e4b969c5cdf4a33ce60/FLAG4f39a11b8 [2020-08-19 04:08:24,492 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 04:08:24,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-08-19 04:08:24,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b33ac60d/d45602b359564e4b969c5cdf4a33ce60/FLAG4f39a11b8 [2020-08-19 04:08:24,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b33ac60d/d45602b359564e4b969c5cdf4a33ce60 [2020-08-19 04:08:24,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 04:08:24,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 04:08:24,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 04:08:24,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 04:08:24,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 04:08:24,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:08:24" (1/1) ... [2020-08-19 04:08:24,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5ae353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:24, skipping insertion in model container [2020-08-19 04:08:24,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:08:24" (1/1) ... [2020-08-19 04:08:24,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 04:08:24,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 04:08:25,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:08:25,326 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 04:08:25,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:08:25,452 INFO L208 MainTranslator]: Completed translation [2020-08-19 04:08:25,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25 WrapperNode [2020-08-19 04:08:25,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 04:08:25,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 04:08:25,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 04:08:25,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 04:08:25,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (1/1) ... [2020-08-19 04:08:25,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (1/1) ... [2020-08-19 04:08:25,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (1/1) ... [2020-08-19 04:08:25,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (1/1) ... [2020-08-19 04:08:25,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (1/1) ... [2020-08-19 04:08:25,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (1/1) ... [2020-08-19 04:08:25,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (1/1) ... [2020-08-19 04:08:25,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 04:08:25,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 04:08:25,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 04:08:25,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 04:08:25,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (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 [2020-08-19 04:08:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 04:08:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 04:08:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 04:08:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 04:08:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 04:08:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 04:08:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 04:08:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-19 04:08:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 04:08:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 04:08:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 04:08:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 04:08:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 04:08:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 04:08:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 04:08:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 04:08:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 04:08:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 04:08:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 04:08:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 04:08:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 04:08:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 04:08:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 04:08:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 04:08:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 04:08:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 04:08:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-19 04:08:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 04:08:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-19 04:08:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-19 04:08:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 04:08:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 04:08:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 04:08:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 04:08:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 04:08:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 04:08:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-19 04:08:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 04:08:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 04:08:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 04:08:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 04:08:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 04:08:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 04:08:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 04:08:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 04:08:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 04:08:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 04:08:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 04:08:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 04:08:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-19 04:08:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 04:08:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 04:08:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 04:08:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 04:08:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 04:08:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 04:08:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 04:08:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 04:08:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 04:08:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 04:08:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 04:08:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 04:08:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 04:08:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 04:08:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 04:08:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 04:08:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 04:08:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 04:08:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 04:08:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 04:08:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 04:08:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 04:08:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 04:08:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 04:08:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 04:08:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 04:08:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 04:08:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 04:08:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 04:08:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-19 04:08:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 04:08:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 04:08:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 04:08:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 04:08:26,809 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 04:08:26,809 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 04:08:26,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:08:26 BoogieIcfgContainer [2020-08-19 04:08:26,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 04:08:26,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 04:08:26,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 04:08:26,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 04:08:26,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 04:08:24" (1/3) ... [2020-08-19 04:08:26,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b95cf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:08:26, skipping insertion in model container [2020-08-19 04:08:26,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:08:25" (2/3) ... [2020-08-19 04:08:26,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b95cf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:08:26, skipping insertion in model container [2020-08-19 04:08:26,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:08:26" (3/3) ... [2020-08-19 04:08:26,823 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2020-08-19 04:08:26,833 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 04:08:26,841 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 04:08:26,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 04:08:26,876 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 04:08:26,876 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 04:08:26,876 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 04:08:26,876 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 04:08:26,877 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 04:08:26,877 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 04:08:26,877 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 04:08:26,877 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 04:08:26,900 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-08-19 04:08:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-19 04:08:26,911 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:26,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:08:26,913 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:26,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:26,919 INFO L82 PathProgramCache]: Analyzing trace with hash 235935867, now seen corresponding path program 1 times [2020-08-19 04:08:26,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:26,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734201950] [2020-08-19 04:08:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:27,618 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:27,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:27,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:27,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:27,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:27,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:27,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 04:08:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:27,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 04:08:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:27,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734201950] [2020-08-19 04:08:27,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:27,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 04:08:27,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424116622] [2020-08-19 04:08:27,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 04:08:27,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:27,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 04:08:27,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 04:08:27,782 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-08-19 04:08:28,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:08:28,930 INFO L93 Difference]: Finished difference Result 288 states and 380 transitions. [2020-08-19 04:08:28,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 04:08:28,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-19 04:08:28,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:08:28,948 INFO L225 Difference]: With dead ends: 288 [2020-08-19 04:08:28,949 INFO L226 Difference]: Without dead ends: 156 [2020-08-19 04:08:28,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 04:08:28,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-08-19 04:08:29,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 123. [2020-08-19 04:08:29,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-08-19 04:08:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 145 transitions. [2020-08-19 04:08:29,076 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 145 transitions. Word has length 46 [2020-08-19 04:08:29,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:08:29,077 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 145 transitions. [2020-08-19 04:08:29,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 04:08:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2020-08-19 04:08:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-19 04:08:29,089 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:29,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:08:29,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 04:08:29,090 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:29,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:29,091 INFO L82 PathProgramCache]: Analyzing trace with hash 185530365, now seen corresponding path program 1 times [2020-08-19 04:08:29,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:29,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [587802249] [2020-08-19 04:08:29,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:29,457 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:29,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:29,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:29,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:29,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:29,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 04:08:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 04:08:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:29,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:29,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [587802249] [2020-08-19 04:08:29,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:29,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 04:08:29,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52029009] [2020-08-19 04:08:29,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 04:08:29,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:29,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 04:08:29,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 04:08:29,502 INFO L87 Difference]: Start difference. First operand 123 states and 145 transitions. Second operand 4 states. [2020-08-19 04:08:29,896 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:08:30,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:08:30,683 INFO L93 Difference]: Finished difference Result 217 states and 267 transitions. [2020-08-19 04:08:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 04:08:30,686 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-19 04:08:30,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:08:30,689 INFO L225 Difference]: With dead ends: 217 [2020-08-19 04:08:30,689 INFO L226 Difference]: Without dead ends: 140 [2020-08-19 04:08:30,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 04:08:30,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-08-19 04:08:30,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2020-08-19 04:08:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-19 04:08:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-08-19 04:08:30,729 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 47 [2020-08-19 04:08:30,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:08:30,730 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-08-19 04:08:30,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 04:08:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-08-19 04:08:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 04:08:30,732 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:30,732 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] [2020-08-19 04:08:30,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 04:08:30,732 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:30,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:30,733 INFO L82 PathProgramCache]: Analyzing trace with hash -175734546, now seen corresponding path program 1 times [2020-08-19 04:08:30,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:30,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259137531] [2020-08-19 04:08:30,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:31,049 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:31,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:31,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:31,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:31,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:31,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 04:08:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:31,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 04:08:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:31,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259137531] [2020-08-19 04:08:31,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:31,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 04:08:31,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168371760] [2020-08-19 04:08:31,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:08:31,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:31,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:08:31,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:08:31,174 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 8 states. [2020-08-19 04:08:31,579 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 04:08:31,896 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:32,147 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:32,412 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:33,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:08:33,547 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2020-08-19 04:08:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 04:08:33,550 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 04:08:33,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:08:33,555 INFO L225 Difference]: With dead ends: 230 [2020-08-19 04:08:33,556 INFO L226 Difference]: Without dead ends: 140 [2020-08-19 04:08:33,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:08:33,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-08-19 04:08:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2020-08-19 04:08:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-19 04:08:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-08-19 04:08:33,627 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2020-08-19 04:08:33,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:08:33,628 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-08-19 04:08:33,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:08:33,629 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-08-19 04:08:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-19 04:08:33,633 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:33,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:08:33,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 04:08:33,634 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:33,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:33,634 INFO L82 PathProgramCache]: Analyzing trace with hash -733588211, now seen corresponding path program 1 times [2020-08-19 04:08:33,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:33,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131623132] [2020-08-19 04:08:33,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:33,969 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:33,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 04:08:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:08:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:08:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 04:08:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-19 04:08:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:34,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131623132] [2020-08-19 04:08:34,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:34,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 04:08:34,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647168290] [2020-08-19 04:08:34,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:08:34,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:34,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:08:34,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:08:34,105 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 8 states. [2020-08-19 04:08:34,414 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 04:08:35,230 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:35,628 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 04:08:36,397 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:36,619 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:36,985 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 04:08:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:08:37,478 INFO L93 Difference]: Finished difference Result 358 states and 468 transitions. [2020-08-19 04:08:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 04:08:37,479 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-08-19 04:08:37,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:08:37,485 INFO L225 Difference]: With dead ends: 358 [2020-08-19 04:08:37,485 INFO L226 Difference]: Without dead ends: 268 [2020-08-19 04:08:37,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-19 04:08:37,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-08-19 04:08:37,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 195. [2020-08-19 04:08:37,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-08-19 04:08:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2020-08-19 04:08:37,573 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 65 [2020-08-19 04:08:37,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:08:37,574 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2020-08-19 04:08:37,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:08:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2020-08-19 04:08:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-19 04:08:37,576 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:08:37,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:08:37,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 04:08:37,577 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:08:37,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:08:37,577 INFO L82 PathProgramCache]: Analyzing trace with hash 828198353, now seen corresponding path program 1 times [2020-08-19 04:08:37,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:08:37,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301046510] [2020-08-19 04:08:37,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:08:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,860 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:37,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:08:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 04:08:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:08:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:08:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 04:08:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-19 04:08:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-19 04:08:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:08:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:08:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-19 04:08:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-19 04:08:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:08:37,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:08:37,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301046510] [2020-08-19 04:08:37,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:08:37,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 04:08:37,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825994618] [2020-08-19 04:08:37,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:08:37,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:08:37,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:08:37,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:08:37,952 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand 9 states. [2020-08-19 04:08:38,325 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 04:08:39,152 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:39,406 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:39,622 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 04:08:39,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:08:39,784 INFO L93 Difference]: Finished difference Result 331 states and 412 transitions. [2020-08-19 04:08:39,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:08:39,785 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-08-19 04:08:39,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:08:39,786 INFO L225 Difference]: With dead ends: 331 [2020-08-19 04:08:39,786 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 04:08:39,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-19 04:08:39,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 04:08:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 04:08:39,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 04:08:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 04:08:39,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-08-19 04:08:39,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:08:39,791 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 04:08:39,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:08:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 04:08:39,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 04:08:39,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 04:08:39,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 04:08:40,326 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 18 [2020-08-19 04:08:41,799 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-19 04:08:41,957 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:08:42,242 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-19 04:08:42,556 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-19 04:08:42,706 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-19 04:08:43,029 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-19 04:08:43,224 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:08:43,376 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-19 04:08:43,533 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:08:43,839 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-19 04:08:44,043 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 04:08:44,376 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-19 04:08:44,723 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-19 04:08:45,045 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-19 04:08:45,354 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-19 04:08:45,532 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:08:45,932 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-19 04:08:46,178 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:08:46,333 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-19 04:08:46,492 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-19 04:08:46,649 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-19 04:08:46,855 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-19 04:08:47,032 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-19 04:08:47,062 INFO L268 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2020-08-19 04:08:47,062 INFO L268 CegarLoopResult]: For program point L285-2(lines 285 306) no Hoare annotation was computed. [2020-08-19 04:08:47,062 INFO L268 CegarLoopResult]: For program point L307(lines 284 308) no Hoare annotation was computed. [2020-08-19 04:08:47,062 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 260 315) no Hoare annotation was computed. [2020-08-19 04:08:47,062 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 260 315) no Hoare annotation was computed. [2020-08-19 04:08:47,063 INFO L268 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-08-19 04:08:47,063 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 260 315) no Hoare annotation was computed. [2020-08-19 04:08:47,063 INFO L268 CegarLoopResult]: For program point L291-1(lines 291 295) no Hoare annotation was computed. [2020-08-19 04:08:47,063 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-08-19 04:08:47,063 INFO L268 CegarLoopResult]: For program point L348-1(lines 348 352) no Hoare annotation was computed. [2020-08-19 04:08:47,063 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-08-19 04:08:47,063 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 316 375) no Hoare annotation was computed. [2020-08-19 04:08:47,063 INFO L268 CegarLoopResult]: For program point L342-2(lines 342 367) no Hoare annotation was computed. [2020-08-19 04:08:47,064 INFO L268 CegarLoopResult]: For program point L368(lines 341 369) no Hoare annotation was computed. [2020-08-19 04:08:47,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 316 375) no Hoare annotation was computed. [2020-08-19 04:08:47,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 316 375) no Hoare annotation was computed. [2020-08-19 04:08:47,064 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-08-19 04:08:47,064 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-08-19 04:08:47,064 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-19 04:08:47,064 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-19 04:08:47,065 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-19 04:08:47,065 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-19 04:08:47,065 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-19 04:08:47,065 INFO L268 CegarLoopResult]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2020-08-19 04:08:47,065 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-08-19 04:08:47,066 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,067 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,069 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,069 INFO L264 CegarLoopResult]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,069 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2020-08-19 04:08:47,069 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2020-08-19 04:08:47,070 INFO L264 CegarLoopResult]: At program point L196(line 196) 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)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,070 INFO L264 CegarLoopResult]: At program point L196-1(line 196) 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)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,070 INFO L268 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2020-08-19 04:08:47,070 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-19 04:08:47,070 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 142 165) no Hoare annotation was computed. [2020-08-19 04:08:47,070 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-19 04:08:47,070 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-08-19 04:08:47,071 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-19 04:08:47,071 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 142 165) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 142 165) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-19 04:08:47,072 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-19 04:08:47,073 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-19 04:08:47,073 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-08-19 04:08:47,073 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 792 800) no Hoare annotation was computed. [2020-08-19 04:08:47,073 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 792 800) the Hoare annotation is: true [2020-08-19 04:08:47,073 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 792 800) no Hoare annotation was computed. [2020-08-19 04:08:47,073 INFO L268 CegarLoopResult]: For program point L846(lines 846 850) no Hoare annotation was computed. [2020-08-19 04:08:47,073 INFO L271 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: true [2020-08-19 04:08:47,073 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 850) no Hoare annotation was computed. [2020-08-19 04:08:47,073 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 837 855) the Hoare annotation is: true [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 837 855) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 837 855) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point L831-1(line 831) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point L820(lines 820 828) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 801 836) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point L808(lines 808 816) no Hoare annotation was computed. [2020-08-19 04:08:47,074 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 801 836) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 801 836) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 214 259) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 214 259) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 214 259) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point L541(lines 541 561) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point L541-1(lines 541 561) no Hoare annotation was computed. [2020-08-19 04:08:47,075 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 527 572) no Hoare annotation was computed. [2020-08-19 04:08:47,076 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 527 572) no Hoare annotation was computed. [2020-08-19 04:08:47,076 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 527 572) no Hoare annotation was computed. [2020-08-19 04:08:47,076 INFO L268 CegarLoopResult]: For program point L547(lines 547 554) no Hoare annotation was computed. [2020-08-19 04:08:47,076 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,076 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2020-08-19 04:08:47,077 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2020-08-19 04:08:47,077 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-19 04:08:47,077 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 781 791) the Hoare annotation is: true [2020-08-19 04:08:47,077 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 781 791) no Hoare annotation was computed. [2020-08-19 04:08:47,077 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 781 791) no Hoare annotation was computed. [2020-08-19 04:08:47,077 INFO L271 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: true [2020-08-19 04:08:47,077 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 773 780) the Hoare annotation is: true [2020-08-19 04:08:47,078 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 773 780) no Hoare annotation was computed. [2020-08-19 04:08:47,078 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 773 780) no Hoare annotation was computed. [2020-08-19 04:08:47,078 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,079 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 740 764) no Hoare annotation was computed. [2020-08-19 04:08:47,079 INFO L268 CegarLoopResult]: For program point L759-1(lines 740 764) no Hoare annotation was computed. [2020-08-19 04:08:47,079 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 740 764) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,079 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,079 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,079 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-08-19 04:08:47,079 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,079 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-08-19 04:08:47,080 INFO L268 CegarLoopResult]: For program point L744(lines 744 761) no Hoare annotation was computed. [2020-08-19 04:08:47,080 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-08-19 04:08:47,080 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-08-19 04:08:47,080 INFO L264 CegarLoopResult]: At program point testENTRY(lines 865 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,080 INFO L264 CegarLoopResult]: At program point L923(lines 874 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,080 INFO L268 CegarLoopResult]: For program point testFINAL(lines 865 930) no Hoare annotation was computed. [2020-08-19 04:08:47,080 INFO L268 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2020-08-19 04:08:47,081 INFO L264 CegarLoopResult]: At program point L913-2(lines 905 918) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,081 INFO L268 CegarLoopResult]: For program point L876(lines 875 922) no Hoare annotation was computed. [2020-08-19 04:08:47,081 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,081 INFO L268 CegarLoopResult]: For program point L905(lines 905 918) no Hoare annotation was computed. [2020-08-19 04:08:47,081 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,081 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-08-19 04:08:47,081 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2020-08-19 04:08:47,082 INFO L264 CegarLoopResult]: At program point L920(lines 875 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,082 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-19 04:08:47,082 INFO L268 CegarLoopResult]: For program point L885(lines 885 891) no Hoare annotation was computed. [2020-08-19 04:08:47,082 INFO L268 CegarLoopResult]: For program point L885-1(lines 885 891) no Hoare annotation was computed. [2020-08-19 04:08:47,082 INFO L268 CegarLoopResult]: For program point L877(lines 877 881) no Hoare annotation was computed. [2020-08-19 04:08:47,082 INFO L268 CegarLoopResult]: For program point testEXIT(lines 865 930) no Hoare annotation was computed. [2020-08-19 04:08:47,082 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 481 526) no Hoare annotation was computed. [2020-08-19 04:08:47,082 INFO L268 CegarLoopResult]: For program point L501(lines 501 508) no Hoare annotation was computed. [2020-08-19 04:08:47,082 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 481 526) no Hoare annotation was computed. [2020-08-19 04:08:47,083 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 481 526) no Hoare annotation was computed. [2020-08-19 04:08:47,083 INFO L268 CegarLoopResult]: For program point L495(lines 495 515) no Hoare annotation was computed. [2020-08-19 04:08:47,083 INFO L268 CegarLoopResult]: For program point L495-1(lines 495 515) no Hoare annotation was computed. [2020-08-19 04:08:47,083 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 666 674) no Hoare annotation was computed. [2020-08-19 04:08:47,083 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 666 674) the Hoare annotation is: true [2020-08-19 04:08:47,083 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 666 674) no Hoare annotation was computed. [2020-08-19 04:08:47,083 INFO L268 CegarLoopResult]: For program point L642-2(lines 642 650) no Hoare annotation was computed. [2020-08-19 04:08:47,084 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 634 656) no Hoare annotation was computed. [2020-08-19 04:08:47,084 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 634 656) no Hoare annotation was computed. [2020-08-19 04:08:47,084 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 634 656) no Hoare annotation was computed. [2020-08-19 04:08:47,084 INFO L268 CegarLoopResult]: For program point L642(lines 642 650) no Hoare annotation was computed. [2020-08-19 04:08:47,084 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-19 04:08:47,084 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point L448(lines 426 449) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 378 480) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point L407(lines 407 423) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point L467(lines 467 474) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point L428(lines 427 447) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point L459-1(line 459) no Hoare annotation was computed. [2020-08-19 04:08:47,085 INFO L268 CegarLoopResult]: For program point L424(lines 424 465) no Hoare annotation was computed. [2020-08-19 04:08:47,086 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 378 480) no Hoare annotation was computed. [2020-08-19 04:08:47,086 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-19 04:08:47,086 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-08-19 04:08:47,086 INFO L268 CegarLoopResult]: For program point L402(lines 402 406) no Hoare annotation was computed. [2020-08-19 04:08:47,086 INFO L268 CegarLoopResult]: For program point L466(lines 466 477) no Hoare annotation was computed. [2020-08-19 04:08:47,086 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 378 480) no Hoare annotation was computed. [2020-08-19 04:08:47,086 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-08-19 04:08:47,086 INFO L268 CegarLoopResult]: For program point L427-2(lines 427 447) no Hoare annotation was computed. [2020-08-19 04:08:47,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:08:47,087 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 04:08:47,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:08:47,087 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 765 772) no Hoare annotation was computed. [2020-08-19 04:08:47,087 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2020-08-19 04:08:47,087 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 765 772) no Hoare annotation was computed. [2020-08-19 04:08:47,088 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 657 665) no Hoare annotation was computed. [2020-08-19 04:08:47,088 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 657 665) no Hoare annotation was computed. [2020-08-19 04:08:47,088 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 657 665) no Hoare annotation was computed. [2020-08-19 04:08:47,088 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-19 04:08:47,088 INFO L268 CegarLoopResult]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2020-08-19 04:08:47,088 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2020-08-19 04:08:47,088 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:08:47,088 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 04:08:47,088 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:08:47,089 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 625 633) the Hoare annotation is: true [2020-08-19 04:08:47,089 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 625 633) no Hoare annotation was computed. [2020-08-19 04:08:47,089 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 625 633) no Hoare annotation was computed. [2020-08-19 04:08:47,089 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,089 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,089 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,089 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,090 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-08-19 04:08:47,090 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-08-19 04:08:47,090 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-08-19 04:08:47,091 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2020-08-19 04:08:47,091 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2020-08-19 04:08:47,091 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-19 04:08:47,091 INFO L271 CegarLoopResult]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2020-08-19 04:08:47,091 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-08-19 04:08:47,091 INFO L271 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: true [2020-08-19 04:08:47,091 INFO L271 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: true [2020-08-19 04:08:47,091 INFO L268 CegarLoopResult]: For program point L115-1(line 115) no Hoare annotation was computed. [2020-08-19 04:08:47,091 INFO L271 CegarLoopResult]: At program point L134(lines 109 138) the Hoare annotation is: true [2020-08-19 04:08:47,092 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-19 04:08:47,092 INFO L268 CegarLoopResult]: For program point L593-1(lines 589 600) no Hoare annotation was computed. [2020-08-19 04:08:47,092 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 589 600) the Hoare annotation is: true [2020-08-19 04:08:47,092 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 589 600) no Hoare annotation was computed. [2020-08-19 04:08:47,092 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2020-08-19 04:08:47,092 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2020-08-19 04:08:47,092 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 04:08:47,092 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-19 04:08:47,092 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 04:08:47,093 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 04:08:47,094 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 856 863) no Hoare annotation was computed. [2020-08-19 04:08:47,094 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 856 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-19 04:08:47,094 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 856 863) no Hoare annotation was computed. [2020-08-19 04:08:47,094 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2020-08-19 04:08:47,094 INFO L268 CegarLoopResult]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2020-08-19 04:08:47,094 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-19 04:08:47,094 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2020-08-19 04:08:47,095 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2020-08-19 04:08:47,095 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2020-08-19 04:08:47,095 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2020-08-19 04:08:47,095 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-19 04:08:47,095 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-08-19 04:08:47,096 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2020-08-19 04:08:47,096 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-19 04:08:47,096 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-08-19 04:08:47,097 INFO L268 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2020-08-19 04:08:47,097 INFO L268 CegarLoopResult]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2020-08-19 04:08:47,097 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2020-08-19 04:08:47,097 INFO L271 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: true [2020-08-19 04:08:47,097 INFO L268 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed. [2020-08-19 04:08:47,097 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 714 738) no Hoare annotation was computed. [2020-08-19 04:08:47,097 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,097 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-08-19 04:08:47,098 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 714 738) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,098 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,098 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,098 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-08-19 04:08:47,098 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 04:08:47,098 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-08-19 04:08:47,098 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-08-19 04:08:47,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 04:08:47 BoogieIcfgContainer [2020-08-19 04:08:47,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 04:08:47,132 INFO L168 Benchmark]: Toolchain (without parser) took 22281.22 ms. Allocated memory was 137.9 MB in the beginning and 584.1 MB in the end (delta: 446.2 MB). Free memory was 99.6 MB in the beginning and 149.0 MB in the end (delta: -49.4 MB). Peak memory consumption was 468.5 MB. Max. memory is 7.1 GB. [2020-08-19 04:08:47,134 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 04:08:47,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.07 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.4 MB in the beginning and 169.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-08-19 04:08:47,135 INFO L168 Benchmark]: Boogie Preprocessor took 132.25 ms. Allocated memory is still 201.3 MB. Free memory was 169.2 MB in the beginning and 164.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-19 04:08:47,138 INFO L168 Benchmark]: RCFGBuilder took 1228.29 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 164.9 MB in the beginning and 195.2 MB in the end (delta: -30.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-08-19 04:08:47,145 INFO L168 Benchmark]: TraceAbstraction took 20307.56 ms. Allocated memory was 231.7 MB in the beginning and 584.1 MB in the end (delta: 352.3 MB). Free memory was 195.2 MB in the beginning and 149.0 MB in the end (delta: 46.2 MB). Peak memory consumption was 470.3 MB. Max. memory is 7.1 GB. [2020-08-19 04:08:47,155 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.07 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.4 MB in the beginning and 169.2 MB in the end (delta: -69.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.25 ms. Allocated memory is still 201.3 MB. Free memory was 169.2 MB in the beginning and 164.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1228.29 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 164.9 MB in the beginning and 195.2 MB in the end (delta: -30.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20307.56 ms. Allocated memory was 231.7 MB in the beginning and 584.1 MB in the end (delta: 352.3 MB). Free memory was 195.2 MB in the beginning and 149.0 MB in the end (delta: 46.2 MB). Peak memory consumption was 470.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 495 SDtfs, 766 SDslu, 303 SDs, 0 SdLazy, 1799 SolverSat, 521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred 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, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 339 PreInvPairs, 369 NumberOfFragments, 776 HoareAnnotationTreeSize, 339 FomulaSimplifications, 40822 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8413 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 79958 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...