./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:21,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:21,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:21,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:21,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:21,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:21,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:21,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:21,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:21,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:21,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:21,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:21,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:21,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:21,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:21,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:21,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:21,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:21,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:21,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:21,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:21,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:21,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:21,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:21,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:21,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:21,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:21,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:21,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:21,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:21,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:21,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:21,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:21,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:21,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:21,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:21,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:21,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:21,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:21,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:21,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:21,610 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:21,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:21,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:21,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:21,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:21,629 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:21,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:21,629 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:21,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:21,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:21,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:21,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:21,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:21,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:21,631 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:21,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:21,632 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:21,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:21,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:21,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:21,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:21,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:21,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:21,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:21,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:21,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:21,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:21,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:21,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:21,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:21,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2020-07-28 18:58:21,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:21,971 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:21,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:21,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:21,977 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:21,978 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2020-07-28 18:58:22,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61f1191c/cc0142863c2c4820b3446b3a72dae999/FLAGc72a3978a [2020-07-28 18:58:22,497 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:22,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2020-07-28 18:58:22,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61f1191c/cc0142863c2c4820b3446b3a72dae999/FLAGc72a3978a [2020-07-28 18:58:22,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61f1191c/cc0142863c2c4820b3446b3a72dae999 [2020-07-28 18:58:22,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:22,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:22,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:22,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:22,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:22,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:22" (1/1) ... [2020-07-28 18:58:22,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ac154e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:22, skipping insertion in model container [2020-07-28 18:58:22,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:22" (1/1) ... [2020-07-28 18:58:22,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:22,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:23,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:23,476 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:23,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:23,623 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:23,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23 WrapperNode [2020-07-28 18:58:23,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:23,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:23,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:23,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:23,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:23,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:23,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:23,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:23,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:23,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:23,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:23,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:23,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-28 18:58:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:25,641 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:25,642 INFO L295 CfgBuilder]: Removed 194 assume(true) statements. [2020-07-28 18:58:25,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:25 BoogieIcfgContainer [2020-07-28 18:58:25,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:25,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:25,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:25,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:25,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:22" (1/3) ... [2020-07-28 18:58:25,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a02efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:25, skipping insertion in model container [2020-07-28 18:58:25,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (2/3) ... [2020-07-28 18:58:25,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a02efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:25, skipping insertion in model container [2020-07-28 18:58:25,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:25" (3/3) ... [2020-07-28 18:58:25,659 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2020-07-28 18:58:25,672 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:25,681 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:25,699 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:25,729 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:25,729 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:25,729 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:25,730 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:25,730 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:25,731 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:25,731 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:25,731 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-07-28 18:58:25,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:25,762 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:25,763 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:25,764 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:25,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:25,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2020-07-28 18:58:25,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:25,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858075298] [2020-07-28 18:58:25,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:26,154 INFO L280 TraceCheckUtils]: 0: Hoare triple {132#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {132#true} is VALID [2020-07-28 18:58:26,155 INFO L280 TraceCheckUtils]: 1: Hoare triple {132#true} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {132#true} is VALID [2020-07-28 18:58:26,156 INFO L280 TraceCheckUtils]: 2: Hoare triple {132#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {132#true} is VALID [2020-07-28 18:58:26,156 INFO L280 TraceCheckUtils]: 3: Hoare triple {132#true} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {132#true} is VALID [2020-07-28 18:58:26,157 INFO L280 TraceCheckUtils]: 4: Hoare triple {132#true} assume 0 != main_~tmp~5; {132#true} is VALID [2020-07-28 18:58:26,157 INFO L280 TraceCheckUtils]: 5: Hoare triple {132#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {132#true} is VALID [2020-07-28 18:58:26,159 INFO L280 TraceCheckUtils]: 6: Hoare triple {132#true} assume false; {133#false} is VALID [2020-07-28 18:58:26,159 INFO L280 TraceCheckUtils]: 7: Hoare triple {133#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {133#false} is VALID [2020-07-28 18:58:26,160 INFO L280 TraceCheckUtils]: 8: Hoare triple {133#false} assume !(0 != ~pumpRunning~0); {133#false} is VALID [2020-07-28 18:58:26,160 INFO L280 TraceCheckUtils]: 9: Hoare triple {133#false} assume !(0 != ~systemActive~0); {133#false} is VALID [2020-07-28 18:58:26,161 INFO L280 TraceCheckUtils]: 10: Hoare triple {133#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {133#false} is VALID [2020-07-28 18:58:26,161 INFO L280 TraceCheckUtils]: 11: Hoare triple {133#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {133#false} is VALID [2020-07-28 18:58:26,162 INFO L280 TraceCheckUtils]: 12: Hoare triple {133#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {133#false} is VALID [2020-07-28 18:58:26,162 INFO L280 TraceCheckUtils]: 13: Hoare triple {133#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {133#false} is VALID [2020-07-28 18:58:26,162 INFO L280 TraceCheckUtils]: 14: Hoare triple {133#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {133#false} is VALID [2020-07-28 18:58:26,163 INFO L280 TraceCheckUtils]: 15: Hoare triple {133#false} assume !false; {133#false} is VALID [2020-07-28 18:58:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:26,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858075298] [2020-07-28 18:58:26,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:26,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:26,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093212943] [2020-07-28 18:58:26,176 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:26,179 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:26,183 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:26,222 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:26,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:26,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:26,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:26,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:26,236 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-07-28 18:58:26,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:26,567 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2020-07-28 18:58:26,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:26,567 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:26,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 377 transitions. [2020-07-28 18:58:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 377 transitions. [2020-07-28 18:58:26,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 377 transitions. [2020-07-28 18:58:27,130 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 377 edges. 377 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:27,147 INFO L225 Difference]: With dead ends: 252 [2020-07-28 18:58:27,148 INFO L226 Difference]: Without dead ends: 125 [2020-07-28 18:58:27,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:27,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-28 18:58:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-28 18:58:27,213 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:27,213 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand 125 states. [2020-07-28 18:58:27,214 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 125 states. [2020-07-28 18:58:27,214 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 125 states. [2020-07-28 18:58:27,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,223 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-07-28 18:58:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-07-28 18:58:27,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,225 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,226 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 125 states. [2020-07-28 18:58:27,226 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 125 states. [2020-07-28 18:58:27,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,234 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-07-28 18:58:27,235 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-07-28 18:58:27,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,236 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,237 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:27,237 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-28 18:58:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2020-07-28 18:58:27,246 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2020-07-28 18:58:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:27,247 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2020-07-28 18:58:27,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-07-28 18:58:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:27,249 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:27,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:27,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:27,250 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:27,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:27,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2020-07-28 18:58:27,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:27,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431256145] [2020-07-28 18:58:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:27,399 INFO L280 TraceCheckUtils]: 0: Hoare triple {923#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {923#true} is VALID [2020-07-28 18:58:27,399 INFO L280 TraceCheckUtils]: 1: Hoare triple {923#true} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {923#true} is VALID [2020-07-28 18:58:27,400 INFO L280 TraceCheckUtils]: 2: Hoare triple {923#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {923#true} is VALID [2020-07-28 18:58:27,400 INFO L280 TraceCheckUtils]: 3: Hoare triple {923#true} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {923#true} is VALID [2020-07-28 18:58:27,400 INFO L280 TraceCheckUtils]: 4: Hoare triple {923#true} assume 0 != main_~tmp~5; {923#true} is VALID [2020-07-28 18:58:27,401 INFO L280 TraceCheckUtils]: 5: Hoare triple {923#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {925#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:27,402 INFO L280 TraceCheckUtils]: 6: Hoare triple {925#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {925#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:27,403 INFO L280 TraceCheckUtils]: 7: Hoare triple {925#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {924#false} is VALID [2020-07-28 18:58:27,403 INFO L280 TraceCheckUtils]: 8: Hoare triple {924#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {924#false} is VALID [2020-07-28 18:58:27,403 INFO L280 TraceCheckUtils]: 9: Hoare triple {924#false} assume !(0 != ~pumpRunning~0); {924#false} is VALID [2020-07-28 18:58:27,404 INFO L280 TraceCheckUtils]: 10: Hoare triple {924#false} assume !(0 != ~systemActive~0); {924#false} is VALID [2020-07-28 18:58:27,404 INFO L280 TraceCheckUtils]: 11: Hoare triple {924#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {924#false} is VALID [2020-07-28 18:58:27,404 INFO L280 TraceCheckUtils]: 12: Hoare triple {924#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {924#false} is VALID [2020-07-28 18:58:27,404 INFO L280 TraceCheckUtils]: 13: Hoare triple {924#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {924#false} is VALID [2020-07-28 18:58:27,405 INFO L280 TraceCheckUtils]: 14: Hoare triple {924#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {924#false} is VALID [2020-07-28 18:58:27,405 INFO L280 TraceCheckUtils]: 15: Hoare triple {924#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {924#false} is VALID [2020-07-28 18:58:27,405 INFO L280 TraceCheckUtils]: 16: Hoare triple {924#false} assume !false; {924#false} is VALID [2020-07-28 18:58:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:27,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431256145] [2020-07-28 18:58:27,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:27,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:27,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963730916] [2020-07-28 18:58:27,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:27,410 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:27,410 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:27,438 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:27,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:27,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:27,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:27,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:27,439 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2020-07-28 18:58:27,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,673 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-07-28 18:58:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:27,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:27,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2020-07-28 18:58:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2020-07-28 18:58:27,681 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 180 transitions. [2020-07-28 18:58:27,858 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:27,860 INFO L225 Difference]: With dead ends: 125 [2020-07-28 18:58:27,860 INFO L226 Difference]: Without dead ends: 51 [2020-07-28 18:58:27,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:27,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-07-28 18:58:27,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-07-28 18:58:27,884 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:27,884 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:27,885 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:27,885 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,888 INFO L93 Difference]: Finished difference Result 51 states and 73 transitions. [2020-07-28 18:58:27,888 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-07-28 18:58:27,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,889 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,889 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:27,889 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,893 INFO L93 Difference]: Finished difference Result 51 states and 73 transitions. [2020-07-28 18:58:27,893 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-07-28 18:58:27,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,894 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,894 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:27,894 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-07-28 18:58:27,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-07-28 18:58:27,897 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2020-07-28 18:58:27,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:27,897 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-07-28 18:58:27,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-07-28 18:58:27,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:27,899 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:27,899 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] [2020-07-28 18:58:27,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:27,899 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:27,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:27,900 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2020-07-28 18:58:27,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:27,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664840621] [2020-07-28 18:58:27,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:28,053 INFO L280 TraceCheckUtils]: 0: Hoare triple {1280#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1280#true} is VALID [2020-07-28 18:58:28,053 INFO L280 TraceCheckUtils]: 1: Hoare triple {1280#true} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {1280#true} is VALID [2020-07-28 18:58:28,054 INFO L280 TraceCheckUtils]: 2: Hoare triple {1280#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1280#true} is VALID [2020-07-28 18:58:28,054 INFO L280 TraceCheckUtils]: 3: Hoare triple {1280#true} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {1280#true} is VALID [2020-07-28 18:58:28,054 INFO L280 TraceCheckUtils]: 4: Hoare triple {1280#true} assume 0 != main_~tmp~5; {1280#true} is VALID [2020-07-28 18:58:28,055 INFO L280 TraceCheckUtils]: 5: Hoare triple {1280#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1280#true} is VALID [2020-07-28 18:58:28,055 INFO L280 TraceCheckUtils]: 6: Hoare triple {1280#true} assume !false; {1280#true} is VALID [2020-07-28 18:58:28,055 INFO L280 TraceCheckUtils]: 7: Hoare triple {1280#true} assume test_~splverifierCounter~0 < 4; {1280#true} is VALID [2020-07-28 18:58:28,055 INFO L280 TraceCheckUtils]: 8: Hoare triple {1280#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1280#true} is VALID [2020-07-28 18:58:28,056 INFO L280 TraceCheckUtils]: 9: Hoare triple {1280#true} assume !(0 != test_~tmp~0); {1280#true} is VALID [2020-07-28 18:58:28,056 INFO L280 TraceCheckUtils]: 10: Hoare triple {1280#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1280#true} is VALID [2020-07-28 18:58:28,056 INFO L280 TraceCheckUtils]: 11: Hoare triple {1280#true} assume !(0 != test_~tmp___0~0); {1280#true} is VALID [2020-07-28 18:58:28,057 INFO L280 TraceCheckUtils]: 12: Hoare triple {1280#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1280#true} is VALID [2020-07-28 18:58:28,058 INFO L280 TraceCheckUtils]: 13: Hoare triple {1280#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1282#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:28,058 INFO L280 TraceCheckUtils]: 14: Hoare triple {1282#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1282#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:28,059 INFO L280 TraceCheckUtils]: 15: Hoare triple {1282#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1281#false} is VALID [2020-07-28 18:58:28,060 INFO L280 TraceCheckUtils]: 16: Hoare triple {1281#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1281#false} is VALID [2020-07-28 18:58:28,060 INFO L280 TraceCheckUtils]: 17: Hoare triple {1281#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {1281#false} is VALID [2020-07-28 18:58:28,060 INFO L280 TraceCheckUtils]: 18: Hoare triple {1281#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1281#false} is VALID [2020-07-28 18:58:28,061 INFO L280 TraceCheckUtils]: 19: Hoare triple {1281#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {1281#false} is VALID [2020-07-28 18:58:28,061 INFO L280 TraceCheckUtils]: 20: Hoare triple {1281#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {1281#false} is VALID [2020-07-28 18:58:28,061 INFO L280 TraceCheckUtils]: 21: Hoare triple {1281#false} assume !false; {1281#false} is VALID [2020-07-28 18:58:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:28,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664840621] [2020-07-28 18:58:28,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:28,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:28,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382479792] [2020-07-28 18:58:28,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:28,065 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:28,065 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:28,093 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:28,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:28,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:28,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:28,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:28,094 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2020-07-28 18:58:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,283 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-07-28 18:58:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:28,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:28,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2020-07-28 18:58:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 140 transitions. [2020-07-28 18:58:28,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 140 transitions. [2020-07-28 18:58:28,451 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 140 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:28,452 INFO L225 Difference]: With dead ends: 96 [2020-07-28 18:58:28,452 INFO L226 Difference]: Without dead ends: 51 [2020-07-28 18:58:28,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:28,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-07-28 18:58:28,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-07-28 18:58:28,485 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:28,485 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:28,485 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:28,486 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:28,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,488 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2020-07-28 18:58:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-07-28 18:58:28,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:28,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:28,489 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:28,490 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 51 states. [2020-07-28 18:58:28,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,493 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2020-07-28 18:58:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-07-28 18:58:28,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:28,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:28,494 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:28,494 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-07-28 18:58:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-07-28 18:58:28,497 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2020-07-28 18:58:28,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:28,498 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-07-28 18:58:28,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-07-28 18:58:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:28,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:28,499 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] [2020-07-28 18:58:28,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:28,500 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:28,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:28,500 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2020-07-28 18:58:28,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:28,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791975783] [2020-07-28 18:58:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:28,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {1594#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {1596#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,563 INFO L280 TraceCheckUtils]: 2: Hoare triple {1596#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,564 INFO L280 TraceCheckUtils]: 3: Hoare triple {1596#(= 0 ~pumpRunning~0)} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,565 INFO L280 TraceCheckUtils]: 4: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~5; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,565 INFO L280 TraceCheckUtils]: 5: Hoare triple {1596#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,566 INFO L280 TraceCheckUtils]: 6: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume !false; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,567 INFO L280 TraceCheckUtils]: 7: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,568 INFO L280 TraceCheckUtils]: 8: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,568 INFO L280 TraceCheckUtils]: 9: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,569 INFO L280 TraceCheckUtils]: 10: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,570 INFO L280 TraceCheckUtils]: 11: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,571 INFO L280 TraceCheckUtils]: 12: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,571 INFO L280 TraceCheckUtils]: 13: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,572 INFO L280 TraceCheckUtils]: 14: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,573 INFO L280 TraceCheckUtils]: 15: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,574 INFO L280 TraceCheckUtils]: 16: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {1596#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,575 INFO L280 TraceCheckUtils]: 17: Hoare triple {1596#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1595#false} is VALID [2020-07-28 18:58:28,575 INFO L280 TraceCheckUtils]: 18: Hoare triple {1595#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1595#false} is VALID [2020-07-28 18:58:28,575 INFO L280 TraceCheckUtils]: 19: Hoare triple {1595#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {1595#false} is VALID [2020-07-28 18:58:28,575 INFO L280 TraceCheckUtils]: 20: Hoare triple {1595#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1595#false} is VALID [2020-07-28 18:58:28,576 INFO L280 TraceCheckUtils]: 21: Hoare triple {1595#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {1595#false} is VALID [2020-07-28 18:58:28,576 INFO L280 TraceCheckUtils]: 22: Hoare triple {1595#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {1595#false} is VALID [2020-07-28 18:58:28,577 INFO L280 TraceCheckUtils]: 23: Hoare triple {1595#false} assume !false; {1595#false} is VALID [2020-07-28 18:58:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:28,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791975783] [2020-07-28 18:58:28,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:28,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:28,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380274918] [2020-07-28 18:58:28,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:28,580 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:28,580 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:28,613 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:28,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:28,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:28,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:28,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:28,614 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-07-28 18:58:28,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,889 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2020-07-28 18:58:28,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:28,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:28,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 18:58:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2020-07-28 18:58:28,895 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 168 transitions. [2020-07-28 18:58:29,089 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:29,091 INFO L225 Difference]: With dead ends: 117 [2020-07-28 18:58:29,091 INFO L226 Difference]: Without dead ends: 72 [2020-07-28 18:58:29,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-28 18:58:29,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-07-28 18:58:29,152 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:29,152 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand 70 states. [2020-07-28 18:58:29,152 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand 70 states. [2020-07-28 18:58:29,152 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 70 states. [2020-07-28 18:58:29,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:29,156 INFO L93 Difference]: Finished difference Result 72 states and 99 transitions. [2020-07-28 18:58:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-07-28 18:58:29,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:29,156 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:29,156 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 72 states. [2020-07-28 18:58:29,157 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 72 states. [2020-07-28 18:58:29,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:29,160 INFO L93 Difference]: Finished difference Result 72 states and 99 transitions. [2020-07-28 18:58:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-07-28 18:58:29,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:29,161 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:29,161 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:29,161 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-28 18:58:29,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2020-07-28 18:58:29,164 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2020-07-28 18:58:29,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:29,165 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2020-07-28 18:58:29,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2020-07-28 18:58:29,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-28 18:58:29,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:29,166 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] [2020-07-28 18:58:29,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:29,167 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:29,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:29,168 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2020-07-28 18:58:29,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:29,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495375963] [2020-07-28 18:58:29,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:29,248 INFO L280 TraceCheckUtils]: 0: Hoare triple {2006#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,250 INFO L280 TraceCheckUtils]: 1: Hoare triple {2008#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,250 INFO L280 TraceCheckUtils]: 2: Hoare triple {2008#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,251 INFO L280 TraceCheckUtils]: 3: Hoare triple {2008#(= 0 ~pumpRunning~0)} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,252 INFO L280 TraceCheckUtils]: 4: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~5; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,252 INFO L280 TraceCheckUtils]: 5: Hoare triple {2008#(= 0 ~pumpRunning~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,253 INFO L280 TraceCheckUtils]: 6: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume !false; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,254 INFO L280 TraceCheckUtils]: 7: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,255 INFO L280 TraceCheckUtils]: 8: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,255 INFO L280 TraceCheckUtils]: 9: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~0); {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,256 INFO L280 TraceCheckUtils]: 10: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,258 INFO L280 TraceCheckUtils]: 11: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~0); {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,263 INFO L280 TraceCheckUtils]: 12: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,264 INFO L280 TraceCheckUtils]: 13: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,265 INFO L280 TraceCheckUtils]: 14: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,266 INFO L280 TraceCheckUtils]: 15: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,266 INFO L280 TraceCheckUtils]: 16: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,267 INFO L280 TraceCheckUtils]: 17: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,268 INFO L280 TraceCheckUtils]: 18: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,269 INFO L280 TraceCheckUtils]: 19: Hoare triple {2008#(= 0 ~pumpRunning~0)} isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret24 && isHighWaterLevel_#t~ret24 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,270 INFO L280 TraceCheckUtils]: 20: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,270 INFO L280 TraceCheckUtils]: 21: Hoare triple {2008#(= 0 ~pumpRunning~0)} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,271 INFO L280 TraceCheckUtils]: 22: Hoare triple {2008#(= 0 ~pumpRunning~0)} processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret4 && processEnvironment__wrappee__methaneQuery_#t~ret4 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,272 INFO L280 TraceCheckUtils]: 23: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1); {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,273 INFO L280 TraceCheckUtils]: 24: Hoare triple {2008#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,273 INFO L280 TraceCheckUtils]: 25: Hoare triple {2008#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {2008#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:29,274 INFO L280 TraceCheckUtils]: 26: Hoare triple {2008#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2009#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:29,275 INFO L280 TraceCheckUtils]: 27: Hoare triple {2009#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {2010#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~2)} is VALID [2020-07-28 18:58:29,276 INFO L280 TraceCheckUtils]: 28: Hoare triple {2010#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~2)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {2007#false} is VALID [2020-07-28 18:58:29,277 INFO L280 TraceCheckUtils]: 29: Hoare triple {2007#false} assume !false; {2007#false} is VALID [2020-07-28 18:58:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:29,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495375963] [2020-07-28 18:58:29,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:29,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:29,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224085675] [2020-07-28 18:58:29,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:29,280 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:29,280 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:29,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:29,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:29,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:29,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:29,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:29,324 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2020-07-28 18:58:30,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:30,243 INFO L93 Difference]: Finished difference Result 198 states and 281 transitions. [2020-07-28 18:58:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:30,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-07-28 18:58:30,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 281 transitions. [2020-07-28 18:58:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:30,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 281 transitions. [2020-07-28 18:58:30,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 281 transitions. [2020-07-28 18:58:30,562 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 281 edges. 281 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:30,570 INFO L225 Difference]: With dead ends: 198 [2020-07-28 18:58:30,570 INFO L226 Difference]: Without dead ends: 196 [2020-07-28 18:58:30,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:30,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-28 18:58:30,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 70. [2020-07-28 18:58:30,660 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:30,660 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 70 states. [2020-07-28 18:58:30,660 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 70 states. [2020-07-28 18:58:30,660 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 70 states. [2020-07-28 18:58:30,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:30,669 INFO L93 Difference]: Finished difference Result 196 states and 279 transitions. [2020-07-28 18:58:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 279 transitions. [2020-07-28 18:58:30,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:30,670 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:30,670 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 196 states. [2020-07-28 18:58:30,670 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 196 states. [2020-07-28 18:58:30,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:30,678 INFO L93 Difference]: Finished difference Result 196 states and 279 transitions. [2020-07-28 18:58:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 279 transitions. [2020-07-28 18:58:30,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:30,679 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:30,679 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:30,679 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-28 18:58:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2020-07-28 18:58:30,682 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 30 [2020-07-28 18:58:30,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:30,684 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2020-07-28 18:58:30,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-07-28 18:58:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:58:30,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:30,685 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] [2020-07-28 18:58:30,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:30,686 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:30,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:30,686 INFO L82 PathProgramCache]: Analyzing trace with hash 713908283, now seen corresponding path program 1 times [2020-07-28 18:58:30,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:30,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705402792] [2020-07-28 18:58:30,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:30,795 INFO L280 TraceCheckUtils]: 0: Hoare triple {2792#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {2792#true} is VALID [2020-07-28 18:58:30,796 INFO L280 TraceCheckUtils]: 1: Hoare triple {2792#true} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {2792#true} is VALID [2020-07-28 18:58:30,796 INFO L280 TraceCheckUtils]: 2: Hoare triple {2792#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {2792#true} is VALID [2020-07-28 18:58:30,796 INFO L280 TraceCheckUtils]: 3: Hoare triple {2792#true} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {2792#true} is VALID [2020-07-28 18:58:30,797 INFO L280 TraceCheckUtils]: 4: Hoare triple {2792#true} assume 0 != main_~tmp~5; {2792#true} is VALID [2020-07-28 18:58:30,797 INFO L280 TraceCheckUtils]: 5: Hoare triple {2792#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2792#true} is VALID [2020-07-28 18:58:30,797 INFO L280 TraceCheckUtils]: 6: Hoare triple {2792#true} assume !false; {2792#true} is VALID [2020-07-28 18:58:30,798 INFO L280 TraceCheckUtils]: 7: Hoare triple {2792#true} assume test_~splverifierCounter~0 < 4; {2792#true} is VALID [2020-07-28 18:58:30,798 INFO L280 TraceCheckUtils]: 8: Hoare triple {2792#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {2792#true} is VALID [2020-07-28 18:58:30,798 INFO L280 TraceCheckUtils]: 9: Hoare triple {2792#true} assume !(0 != test_~tmp~0); {2792#true} is VALID [2020-07-28 18:58:30,799 INFO L280 TraceCheckUtils]: 10: Hoare triple {2792#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {2792#true} is VALID [2020-07-28 18:58:30,799 INFO L280 TraceCheckUtils]: 11: Hoare triple {2792#true} assume !(0 != test_~tmp___0~0); {2792#true} is VALID [2020-07-28 18:58:30,799 INFO L280 TraceCheckUtils]: 12: Hoare triple {2792#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {2792#true} is VALID [2020-07-28 18:58:30,799 INFO L280 TraceCheckUtils]: 13: Hoare triple {2792#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {2792#true} is VALID [2020-07-28 18:58:30,799 INFO L280 TraceCheckUtils]: 14: Hoare triple {2792#true} assume !(0 != ~pumpRunning~0); {2792#true} is VALID [2020-07-28 18:58:30,800 INFO L280 TraceCheckUtils]: 15: Hoare triple {2792#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2792#true} is VALID [2020-07-28 18:58:30,800 INFO L280 TraceCheckUtils]: 16: Hoare triple {2792#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {2792#true} is VALID [2020-07-28 18:58:30,806 INFO L280 TraceCheckUtils]: 17: Hoare triple {2792#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {2792#true} is VALID [2020-07-28 18:58:30,807 INFO L280 TraceCheckUtils]: 18: Hoare triple {2792#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {2792#true} is VALID [2020-07-28 18:58:30,807 INFO L280 TraceCheckUtils]: 19: Hoare triple {2792#true} isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret24 && isHighWaterLevel_#t~ret24 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; {2792#true} is VALID [2020-07-28 18:58:30,808 INFO L280 TraceCheckUtils]: 20: Hoare triple {2792#true} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; {2794#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:58:30,809 INFO L280 TraceCheckUtils]: 21: Hoare triple {2794#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {2795#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:30,810 INFO L280 TraceCheckUtils]: 22: Hoare triple {2795#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret4 && processEnvironment__wrappee__methaneQuery_#t~ret4 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; {2796#(= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~1)} is VALID [2020-07-28 18:58:30,811 INFO L280 TraceCheckUtils]: 23: Hoare triple {2796#(= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~1)} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~1;havoc activatePump_#t~ret6, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {2793#false} is VALID [2020-07-28 18:58:30,811 INFO L280 TraceCheckUtils]: 24: Hoare triple {2793#false} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {2793#false} is VALID [2020-07-28 18:58:30,811 INFO L280 TraceCheckUtils]: 25: Hoare triple {2793#false} activatePump_#t~ret6 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret6 && activatePump_#t~ret6 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret6;havoc activatePump_#t~ret6; {2793#false} is VALID [2020-07-28 18:58:30,812 INFO L280 TraceCheckUtils]: 26: Hoare triple {2793#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {2793#false} is VALID [2020-07-28 18:58:30,812 INFO L280 TraceCheckUtils]: 27: Hoare triple {2793#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {2793#false} is VALID [2020-07-28 18:58:30,812 INFO L280 TraceCheckUtils]: 28: Hoare triple {2793#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {2793#false} is VALID [2020-07-28 18:58:30,812 INFO L280 TraceCheckUtils]: 29: Hoare triple {2793#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {2793#false} is VALID [2020-07-28 18:58:30,812 INFO L280 TraceCheckUtils]: 30: Hoare triple {2793#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {2793#false} is VALID [2020-07-28 18:58:30,813 INFO L280 TraceCheckUtils]: 31: Hoare triple {2793#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {2793#false} is VALID [2020-07-28 18:58:30,813 INFO L280 TraceCheckUtils]: 32: Hoare triple {2793#false} assume !false; {2793#false} is VALID [2020-07-28 18:58:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:30,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705402792] [2020-07-28 18:58:30,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:30,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:30,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385759854] [2020-07-28 18:58:30,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 18:58:30,816 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:30,816 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:30,862 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:30,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:30,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:30,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:30,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:30,864 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand 5 states. [2020-07-28 18:58:31,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:31,554 INFO L93 Difference]: Finished difference Result 179 states and 249 transitions. [2020-07-28 18:58:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:31,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-07-28 18:58:31,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 197 transitions. [2020-07-28 18:58:31,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 197 transitions. [2020-07-28 18:58:31,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 197 transitions. [2020-07-28 18:58:31,752 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 197 edges. 197 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:31,755 INFO L225 Difference]: With dead ends: 179 [2020-07-28 18:58:31,755 INFO L226 Difference]: Without dead ends: 115 [2020-07-28 18:58:31,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-28 18:58:31,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 76. [2020-07-28 18:58:31,856 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:31,856 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 76 states. [2020-07-28 18:58:31,857 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 76 states. [2020-07-28 18:58:31,857 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 76 states. [2020-07-28 18:58:31,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:31,861 INFO L93 Difference]: Finished difference Result 115 states and 156 transitions. [2020-07-28 18:58:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 156 transitions. [2020-07-28 18:58:31,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:31,861 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:31,861 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 115 states. [2020-07-28 18:58:31,862 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 115 states. [2020-07-28 18:58:31,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:31,865 INFO L93 Difference]: Finished difference Result 115 states and 156 transitions. [2020-07-28 18:58:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 156 transitions. [2020-07-28 18:58:31,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:31,866 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:31,866 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:31,866 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-28 18:58:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2020-07-28 18:58:31,869 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 33 [2020-07-28 18:58:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:31,869 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2020-07-28 18:58:31,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2020-07-28 18:58:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:58:31,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:31,870 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] [2020-07-28 18:58:31,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:31,871 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:31,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:31,871 INFO L82 PathProgramCache]: Analyzing trace with hash 127102269, now seen corresponding path program 1 times [2020-07-28 18:58:31,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:31,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844522125] [2020-07-28 18:58:31,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:31,930 INFO L280 TraceCheckUtils]: 0: Hoare triple {3394#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {3394#true} is VALID [2020-07-28 18:58:31,930 INFO L280 TraceCheckUtils]: 1: Hoare triple {3394#true} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {3394#true} is VALID [2020-07-28 18:58:31,930 INFO L280 TraceCheckUtils]: 2: Hoare triple {3394#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {3394#true} is VALID [2020-07-28 18:58:31,931 INFO L280 TraceCheckUtils]: 3: Hoare triple {3394#true} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {3394#true} is VALID [2020-07-28 18:58:31,931 INFO L280 TraceCheckUtils]: 4: Hoare triple {3394#true} assume 0 != main_~tmp~5; {3394#true} is VALID [2020-07-28 18:58:31,931 INFO L280 TraceCheckUtils]: 5: Hoare triple {3394#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3394#true} is VALID [2020-07-28 18:58:31,931 INFO L280 TraceCheckUtils]: 6: Hoare triple {3394#true} assume !false; {3394#true} is VALID [2020-07-28 18:58:31,931 INFO L280 TraceCheckUtils]: 7: Hoare triple {3394#true} assume test_~splverifierCounter~0 < 4; {3394#true} is VALID [2020-07-28 18:58:31,932 INFO L280 TraceCheckUtils]: 8: Hoare triple {3394#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {3394#true} is VALID [2020-07-28 18:58:31,932 INFO L280 TraceCheckUtils]: 9: Hoare triple {3394#true} assume !(0 != test_~tmp~0); {3394#true} is VALID [2020-07-28 18:58:31,932 INFO L280 TraceCheckUtils]: 10: Hoare triple {3394#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {3394#true} is VALID [2020-07-28 18:58:31,932 INFO L280 TraceCheckUtils]: 11: Hoare triple {3394#true} assume !(0 != test_~tmp___0~0); {3394#true} is VALID [2020-07-28 18:58:31,932 INFO L280 TraceCheckUtils]: 12: Hoare triple {3394#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {3394#true} is VALID [2020-07-28 18:58:31,933 INFO L280 TraceCheckUtils]: 13: Hoare triple {3394#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3394#true} is VALID [2020-07-28 18:58:31,933 INFO L280 TraceCheckUtils]: 14: Hoare triple {3394#true} assume !(0 != ~pumpRunning~0); {3394#true} is VALID [2020-07-28 18:58:31,933 INFO L280 TraceCheckUtils]: 15: Hoare triple {3394#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3394#true} is VALID [2020-07-28 18:58:31,933 INFO L280 TraceCheckUtils]: 16: Hoare triple {3394#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {3394#true} is VALID [2020-07-28 18:58:31,934 INFO L280 TraceCheckUtils]: 17: Hoare triple {3394#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {3394#true} is VALID [2020-07-28 18:58:31,934 INFO L280 TraceCheckUtils]: 18: Hoare triple {3394#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {3396#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 18:58:31,935 INFO L280 TraceCheckUtils]: 19: Hoare triple {3396#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret24 && isHighWaterLevel_#t~ret24 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; {3397#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} is VALID [2020-07-28 18:58:31,936 INFO L280 TraceCheckUtils]: 20: Hoare triple {3397#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {3395#false} is VALID [2020-07-28 18:58:31,936 INFO L280 TraceCheckUtils]: 21: Hoare triple {3395#false} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {3395#false} is VALID [2020-07-28 18:58:31,936 INFO L280 TraceCheckUtils]: 22: Hoare triple {3395#false} processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret4 && processEnvironment__wrappee__methaneQuery_#t~ret4 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; {3395#false} is VALID [2020-07-28 18:58:31,936 INFO L280 TraceCheckUtils]: 23: Hoare triple {3395#false} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~1;havoc activatePump_#t~ret6, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {3395#false} is VALID [2020-07-28 18:58:31,937 INFO L280 TraceCheckUtils]: 24: Hoare triple {3395#false} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {3395#false} is VALID [2020-07-28 18:58:31,937 INFO L280 TraceCheckUtils]: 25: Hoare triple {3395#false} activatePump_#t~ret6 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret6 && activatePump_#t~ret6 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret6;havoc activatePump_#t~ret6; {3395#false} is VALID [2020-07-28 18:58:31,937 INFO L280 TraceCheckUtils]: 26: Hoare triple {3395#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {3395#false} is VALID [2020-07-28 18:58:31,937 INFO L280 TraceCheckUtils]: 27: Hoare triple {3395#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {3395#false} is VALID [2020-07-28 18:58:31,938 INFO L280 TraceCheckUtils]: 28: Hoare triple {3395#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {3395#false} is VALID [2020-07-28 18:58:31,938 INFO L280 TraceCheckUtils]: 29: Hoare triple {3395#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {3395#false} is VALID [2020-07-28 18:58:31,938 INFO L280 TraceCheckUtils]: 30: Hoare triple {3395#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {3395#false} is VALID [2020-07-28 18:58:31,938 INFO L280 TraceCheckUtils]: 31: Hoare triple {3395#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {3395#false} is VALID [2020-07-28 18:58:31,939 INFO L280 TraceCheckUtils]: 32: Hoare triple {3395#false} assume !false; {3395#false} is VALID [2020-07-28 18:58:31,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:31,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844522125] [2020-07-28 18:58:31,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:31,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:31,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207715751] [2020-07-28 18:58:31,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-07-28 18:58:31,941 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:31,941 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 18:58:31,989 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:31,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 18:58:31,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:31,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 18:58:31,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 18:58:31,990 INFO L87 Difference]: Start difference. First operand 76 states and 103 transitions. Second operand 4 states. [2020-07-28 18:58:32,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:32,531 INFO L93 Difference]: Finished difference Result 176 states and 239 transitions. [2020-07-28 18:58:32,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:58:32,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-07-28 18:58:32,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 175 transitions. [2020-07-28 18:58:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 18:58:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 175 transitions. [2020-07-28 18:58:32,552 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 175 transitions. [2020-07-28 18:58:32,745 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:32,750 INFO L225 Difference]: With dead ends: 176 [2020-07-28 18:58:32,750 INFO L226 Difference]: Without dead ends: 106 [2020-07-28 18:58:32,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:32,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-28 18:58:32,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 80. [2020-07-28 18:58:32,873 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:32,874 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand 80 states. [2020-07-28 18:58:32,874 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 80 states. [2020-07-28 18:58:32,874 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 80 states. [2020-07-28 18:58:32,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:32,877 INFO L93 Difference]: Finished difference Result 106 states and 140 transitions. [2020-07-28 18:58:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2020-07-28 18:58:32,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:32,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:32,881 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 106 states. [2020-07-28 18:58:32,881 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 106 states. [2020-07-28 18:58:32,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:32,886 INFO L93 Difference]: Finished difference Result 106 states and 140 transitions. [2020-07-28 18:58:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 140 transitions. [2020-07-28 18:58:32,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:32,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:32,887 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:32,887 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-28 18:58:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 107 transitions. [2020-07-28 18:58:32,890 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 107 transitions. Word has length 33 [2020-07-28 18:58:32,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:32,890 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 107 transitions. [2020-07-28 18:58:32,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 18:58:32,891 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2020-07-28 18:58:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-28 18:58:32,892 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:32,892 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] [2020-07-28 18:58:32,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:32,893 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:32,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:32,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1152761409, now seen corresponding path program 1 times [2020-07-28 18:58:32,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:32,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203813392] [2020-07-28 18:58:32,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:32,973 INFO L280 TraceCheckUtils]: 0: Hoare triple {3975#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,974 INFO L280 TraceCheckUtils]: 1: Hoare triple {3977#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,975 INFO L280 TraceCheckUtils]: 2: Hoare triple {3977#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,976 INFO L280 TraceCheckUtils]: 3: Hoare triple {3977#(= 1 ~waterLevel~0)} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,977 INFO L280 TraceCheckUtils]: 4: Hoare triple {3977#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~5; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,977 INFO L280 TraceCheckUtils]: 5: Hoare triple {3977#(= 1 ~waterLevel~0)} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,978 INFO L280 TraceCheckUtils]: 6: Hoare triple {3977#(= 1 ~waterLevel~0)} assume !false; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,979 INFO L280 TraceCheckUtils]: 7: Hoare triple {3977#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,980 INFO L280 TraceCheckUtils]: 8: Hoare triple {3977#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,980 INFO L280 TraceCheckUtils]: 9: Hoare triple {3977#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~0); {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,981 INFO L280 TraceCheckUtils]: 10: Hoare triple {3977#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,982 INFO L280 TraceCheckUtils]: 11: Hoare triple {3977#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~0); {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,983 INFO L280 TraceCheckUtils]: 12: Hoare triple {3977#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,984 INFO L280 TraceCheckUtils]: 13: Hoare triple {3977#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,984 INFO L280 TraceCheckUtils]: 14: Hoare triple {3977#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,985 INFO L280 TraceCheckUtils]: 15: Hoare triple {3977#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,986 INFO L280 TraceCheckUtils]: 16: Hoare triple {3977#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,990 INFO L280 TraceCheckUtils]: 17: Hoare triple {3977#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {3977#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:32,991 INFO L280 TraceCheckUtils]: 18: Hoare triple {3977#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {3976#false} is VALID [2020-07-28 18:58:32,992 INFO L280 TraceCheckUtils]: 19: Hoare triple {3976#false} isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret24 && isHighWaterLevel_#t~ret24 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; {3976#false} is VALID [2020-07-28 18:58:32,992 INFO L280 TraceCheckUtils]: 20: Hoare triple {3976#false} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {3976#false} is VALID [2020-07-28 18:58:32,992 INFO L280 TraceCheckUtils]: 21: Hoare triple {3976#false} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {3976#false} is VALID [2020-07-28 18:58:32,993 INFO L280 TraceCheckUtils]: 22: Hoare triple {3976#false} processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret4 && processEnvironment__wrappee__methaneQuery_#t~ret4 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; {3976#false} is VALID [2020-07-28 18:58:32,993 INFO L280 TraceCheckUtils]: 23: Hoare triple {3976#false} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~1;havoc activatePump_#t~ret6, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {3976#false} is VALID [2020-07-28 18:58:32,993 INFO L280 TraceCheckUtils]: 24: Hoare triple {3976#false} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {3976#false} is VALID [2020-07-28 18:58:32,993 INFO L280 TraceCheckUtils]: 25: Hoare triple {3976#false} activatePump_#t~ret6 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret6 && activatePump_#t~ret6 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret6;havoc activatePump_#t~ret6; {3976#false} is VALID [2020-07-28 18:58:32,993 INFO L280 TraceCheckUtils]: 26: Hoare triple {3976#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {3976#false} is VALID [2020-07-28 18:58:32,994 INFO L280 TraceCheckUtils]: 27: Hoare triple {3976#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {3976#false} is VALID [2020-07-28 18:58:32,994 INFO L280 TraceCheckUtils]: 28: Hoare triple {3976#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {3976#false} is VALID [2020-07-28 18:58:32,995 INFO L280 TraceCheckUtils]: 29: Hoare triple {3976#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {3976#false} is VALID [2020-07-28 18:58:32,995 INFO L280 TraceCheckUtils]: 30: Hoare triple {3976#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {3976#false} is VALID [2020-07-28 18:58:32,995 INFO L280 TraceCheckUtils]: 31: Hoare triple {3976#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {3976#false} is VALID [2020-07-28 18:58:32,995 INFO L280 TraceCheckUtils]: 32: Hoare triple {3976#false} assume !false; {3976#false} is VALID [2020-07-28 18:58:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:33,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203813392] [2020-07-28 18:58:33,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:33,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:33,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485735156] [2020-07-28 18:58:33,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 18:58:33,002 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:33,002 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:33,048 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:33,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:33,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:33,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:33,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:33,050 INFO L87 Difference]: Start difference. First operand 80 states and 107 transitions. Second operand 3 states. [2020-07-28 18:58:33,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,458 INFO L93 Difference]: Finished difference Result 180 states and 242 transitions. [2020-07-28 18:58:33,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:33,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-07-28 18:58:33,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2020-07-28 18:58:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 170 transitions. [2020-07-28 18:58:33,461 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 170 transitions. [2020-07-28 18:58:33,649 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 170 edges. 170 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:33,651 INFO L225 Difference]: With dead ends: 180 [2020-07-28 18:58:33,652 INFO L226 Difference]: Without dead ends: 106 [2020-07-28 18:58:33,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:33,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-28 18:58:33,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-07-28 18:58:33,801 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:33,801 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand 106 states. [2020-07-28 18:58:33,801 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 106 states. [2020-07-28 18:58:33,801 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 106 states. [2020-07-28 18:58:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,806 INFO L93 Difference]: Finished difference Result 106 states and 139 transitions. [2020-07-28 18:58:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2020-07-28 18:58:33,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:33,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:33,807 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 106 states. [2020-07-28 18:58:33,807 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 106 states. [2020-07-28 18:58:33,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,810 INFO L93 Difference]: Finished difference Result 106 states and 139 transitions. [2020-07-28 18:58:33,811 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2020-07-28 18:58:33,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:33,811 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:33,811 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:33,812 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-28 18:58:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 139 transitions. [2020-07-28 18:58:33,814 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 139 transitions. Word has length 33 [2020-07-28 18:58:33,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:33,815 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 139 transitions. [2020-07-28 18:58:33,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2020-07-28 18:58:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:33,817 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:33,817 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] [2020-07-28 18:58:33,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:33,817 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:33,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:33,818 INFO L82 PathProgramCache]: Analyzing trace with hash 4534529, now seen corresponding path program 1 times [2020-07-28 18:58:33,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:33,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217562823] [2020-07-28 18:58:33,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:33,959 INFO L280 TraceCheckUtils]: 0: Hoare triple {4594#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,960 INFO L280 TraceCheckUtils]: 1: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,961 INFO L280 TraceCheckUtils]: 2: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,962 INFO L280 TraceCheckUtils]: 3: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,963 INFO L280 TraceCheckUtils]: 4: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != main_~tmp~5; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,964 INFO L280 TraceCheckUtils]: 5: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,964 INFO L280 TraceCheckUtils]: 6: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !false; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,965 INFO L280 TraceCheckUtils]: 7: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume test_~splverifierCounter~0 < 4; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,966 INFO L280 TraceCheckUtils]: 8: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,967 INFO L280 TraceCheckUtils]: 9: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp~0; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,967 INFO L280 TraceCheckUtils]: 10: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,969 INFO L280 TraceCheckUtils]: 11: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,970 INFO L280 TraceCheckUtils]: 12: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != test_~tmp___0~0); {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,971 INFO L280 TraceCheckUtils]: 13: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,972 INFO L280 TraceCheckUtils]: 14: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,972 INFO L280 TraceCheckUtils]: 15: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0); {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,973 INFO L280 TraceCheckUtils]: 16: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,974 INFO L280 TraceCheckUtils]: 17: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,975 INFO L280 TraceCheckUtils]: 18: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,975 INFO L280 TraceCheckUtils]: 19: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,976 INFO L280 TraceCheckUtils]: 20: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret24 && isHighWaterLevel_#t~ret24 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,977 INFO L280 TraceCheckUtils]: 21: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,978 INFO L280 TraceCheckUtils]: 22: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,979 INFO L280 TraceCheckUtils]: 23: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret4 && processEnvironment__wrappee__methaneQuery_#t~ret4 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,980 INFO L280 TraceCheckUtils]: 24: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~1;havoc activatePump_#t~ret6, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,981 INFO L280 TraceCheckUtils]: 25: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,982 INFO L280 TraceCheckUtils]: 26: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} activatePump_#t~ret6 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret6 && activatePump_#t~ret6 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret6;havoc activatePump_#t~ret6; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,983 INFO L280 TraceCheckUtils]: 27: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:33,984 INFO L280 TraceCheckUtils]: 28: Hoare triple {4596#(and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {4597#(and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 18:58:33,985 INFO L280 TraceCheckUtils]: 29: Hoare triple {4597#(and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {4598#(and (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) (<= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6))} is VALID [2020-07-28 18:58:33,986 INFO L280 TraceCheckUtils]: 30: Hoare triple {4598#(and (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) (<= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6))} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {4595#false} is VALID [2020-07-28 18:58:33,986 INFO L280 TraceCheckUtils]: 31: Hoare triple {4595#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {4595#false} is VALID [2020-07-28 18:58:33,986 INFO L280 TraceCheckUtils]: 32: Hoare triple {4595#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {4595#false} is VALID [2020-07-28 18:58:33,986 INFO L280 TraceCheckUtils]: 33: Hoare triple {4595#false} assume !false; {4595#false} is VALID [2020-07-28 18:58:33,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:33,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217562823] [2020-07-28 18:58:33,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:33,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:33,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918146892] [2020-07-28 18:58:33,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:33,993 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:33,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:34,039 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:34,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:34,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:34,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:34,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:34,040 INFO L87 Difference]: Start difference. First operand 106 states and 139 transitions. Second operand 5 states. [2020-07-28 18:58:35,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,732 INFO L93 Difference]: Finished difference Result 538 states and 715 transitions. [2020-07-28 18:58:35,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:35,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:35,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:35,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:35,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 359 transitions. [2020-07-28 18:58:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 359 transitions. [2020-07-28 18:58:35,742 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 359 transitions. [2020-07-28 18:58:36,161 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 359 edges. 359 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:36,178 INFO L225 Difference]: With dead ends: 538 [2020-07-28 18:58:36,178 INFO L226 Difference]: Without dead ends: 438 [2020-07-28 18:58:36,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:36,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-07-28 18:58:36,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 198. [2020-07-28 18:58:36,576 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:36,576 INFO L82 GeneralOperation]: Start isEquivalent. First operand 438 states. Second operand 198 states. [2020-07-28 18:58:36,577 INFO L74 IsIncluded]: Start isIncluded. First operand 438 states. Second operand 198 states. [2020-07-28 18:58:36,577 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 198 states. [2020-07-28 18:58:36,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:36,591 INFO L93 Difference]: Finished difference Result 438 states and 574 transitions. [2020-07-28 18:58:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 574 transitions. [2020-07-28 18:58:36,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:36,593 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:36,593 INFO L74 IsIncluded]: Start isIncluded. First operand 198 states. Second operand 438 states. [2020-07-28 18:58:36,593 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 438 states. [2020-07-28 18:58:36,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:36,606 INFO L93 Difference]: Finished difference Result 438 states and 574 transitions. [2020-07-28 18:58:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 574 transitions. [2020-07-28 18:58:36,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:36,608 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:36,608 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:36,608 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-28 18:58:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2020-07-28 18:58:36,613 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2020-07-28 18:58:36,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:36,613 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2020-07-28 18:58:36,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2020-07-28 18:58:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 18:58:36,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:36,614 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] [2020-07-28 18:58:36,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:36,614 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:36,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:36,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2020-07-28 18:58:36,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:36,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635675539] [2020-07-28 18:58:36,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:36,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {6521#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {6521#true} is VALID [2020-07-28 18:58:36,722 INFO L280 TraceCheckUtils]: 1: Hoare triple {6521#true} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {6521#true} is VALID [2020-07-28 18:58:36,722 INFO L280 TraceCheckUtils]: 2: Hoare triple {6521#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {6521#true} is VALID [2020-07-28 18:58:36,722 INFO L280 TraceCheckUtils]: 3: Hoare triple {6521#true} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {6521#true} is VALID [2020-07-28 18:58:36,722 INFO L280 TraceCheckUtils]: 4: Hoare triple {6521#true} assume 0 != main_~tmp~5; {6521#true} is VALID [2020-07-28 18:58:36,723 INFO L280 TraceCheckUtils]: 5: Hoare triple {6521#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6521#true} is VALID [2020-07-28 18:58:36,723 INFO L280 TraceCheckUtils]: 6: Hoare triple {6521#true} assume !false; {6521#true} is VALID [2020-07-28 18:58:36,723 INFO L280 TraceCheckUtils]: 7: Hoare triple {6521#true} assume test_~splverifierCounter~0 < 4; {6521#true} is VALID [2020-07-28 18:58:36,723 INFO L280 TraceCheckUtils]: 8: Hoare triple {6521#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {6521#true} is VALID [2020-07-28 18:58:36,723 INFO L280 TraceCheckUtils]: 9: Hoare triple {6521#true} assume 0 != test_~tmp~0; {6521#true} is VALID [2020-07-28 18:58:36,724 INFO L280 TraceCheckUtils]: 10: Hoare triple {6521#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {6521#true} is VALID [2020-07-28 18:58:36,724 INFO L280 TraceCheckUtils]: 11: Hoare triple {6521#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {6521#true} is VALID [2020-07-28 18:58:36,724 INFO L280 TraceCheckUtils]: 12: Hoare triple {6521#true} assume 0 != test_~tmp___0~0; {6521#true} is VALID [2020-07-28 18:58:36,726 INFO L280 TraceCheckUtils]: 13: Hoare triple {6521#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,727 INFO L280 TraceCheckUtils]: 14: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,728 INFO L280 TraceCheckUtils]: 15: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,729 INFO L280 TraceCheckUtils]: 16: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,729 INFO L280 TraceCheckUtils]: 17: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,730 INFO L280 TraceCheckUtils]: 18: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,730 INFO L280 TraceCheckUtils]: 19: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,731 INFO L280 TraceCheckUtils]: 20: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,731 INFO L280 TraceCheckUtils]: 21: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret24 && isHighWaterLevel_#t~ret24 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,732 INFO L280 TraceCheckUtils]: 22: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,732 INFO L280 TraceCheckUtils]: 23: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,733 INFO L280 TraceCheckUtils]: 24: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret4 && processEnvironment__wrappee__methaneQuery_#t~ret4 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; {6523#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:36,733 INFO L280 TraceCheckUtils]: 25: Hoare triple {6523#(= 1 ~methaneLevelCritical~0)} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~1;havoc activatePump_#t~ret6, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {6524#(= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:36,734 INFO L280 TraceCheckUtils]: 26: Hoare triple {6524#(= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {6525#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} is VALID [2020-07-28 18:58:36,735 INFO L280 TraceCheckUtils]: 27: Hoare triple {6525#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} activatePump_#t~ret6 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret6 && activatePump_#t~ret6 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret6;havoc activatePump_#t~ret6; {6526#(<= 1 ULTIMATE.start_activatePump_~tmp~3)} is VALID [2020-07-28 18:58:36,735 INFO L280 TraceCheckUtils]: 28: Hoare triple {6526#(<= 1 ULTIMATE.start_activatePump_~tmp~3)} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {6522#false} is VALID [2020-07-28 18:58:36,736 INFO L280 TraceCheckUtils]: 29: Hoare triple {6522#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {6522#false} is VALID [2020-07-28 18:58:36,736 INFO L280 TraceCheckUtils]: 30: Hoare triple {6522#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {6522#false} is VALID [2020-07-28 18:58:36,736 INFO L280 TraceCheckUtils]: 31: Hoare triple {6522#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {6522#false} is VALID [2020-07-28 18:58:36,739 INFO L280 TraceCheckUtils]: 32: Hoare triple {6522#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {6522#false} is VALID [2020-07-28 18:58:36,740 INFO L280 TraceCheckUtils]: 33: Hoare triple {6522#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {6522#false} is VALID [2020-07-28 18:58:36,740 INFO L280 TraceCheckUtils]: 34: Hoare triple {6522#false} assume !false; {6522#false} is VALID [2020-07-28 18:58:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:36,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635675539] [2020-07-28 18:58:36,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:36,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 18:58:36,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922931113] [2020-07-28 18:58:36,743 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-28 18:58:36,743 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:36,743 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:36,787 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:36,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:36,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:36,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:36,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:36,788 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 6 states. [2020-07-28 18:58:39,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,468 INFO L93 Difference]: Finished difference Result 666 states and 866 transitions. [2020-07-28 18:58:39,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 18:58:39,468 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-28 18:58:39,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 453 transitions. [2020-07-28 18:58:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:39,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 453 transitions. [2020-07-28 18:58:39,477 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 453 transitions. [2020-07-28 18:58:40,069 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 453 edges. 453 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:40,084 INFO L225 Difference]: With dead ends: 666 [2020-07-28 18:58:40,084 INFO L226 Difference]: Without dead ends: 474 [2020-07-28 18:58:40,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-07-28 18:58:40,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-07-28 18:58:40,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 198. [2020-07-28 18:58:40,516 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:40,516 INFO L82 GeneralOperation]: Start isEquivalent. First operand 474 states. Second operand 198 states. [2020-07-28 18:58:40,517 INFO L74 IsIncluded]: Start isIncluded. First operand 474 states. Second operand 198 states. [2020-07-28 18:58:40,517 INFO L87 Difference]: Start difference. First operand 474 states. Second operand 198 states. [2020-07-28 18:58:40,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,531 INFO L93 Difference]: Finished difference Result 474 states and 607 transitions. [2020-07-28 18:58:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 607 transitions. [2020-07-28 18:58:40,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,533 INFO L74 IsIncluded]: Start isIncluded. First operand 198 states. Second operand 474 states. [2020-07-28 18:58:40,533 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 474 states. [2020-07-28 18:58:40,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:40,548 INFO L93 Difference]: Finished difference Result 474 states and 607 transitions. [2020-07-28 18:58:40,548 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 607 transitions. [2020-07-28 18:58:40,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:40,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:40,549 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:40,549 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-28 18:58:40,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2020-07-28 18:58:40,554 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2020-07-28 18:58:40,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:40,554 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2020-07-28 18:58:40,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2020-07-28 18:58:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 18:58:40,555 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:40,556 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:40,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:40,556 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:40,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:40,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2020-07-28 18:58:40,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:40,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49057715] [2020-07-28 18:58:40,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:40,682 INFO L280 TraceCheckUtils]: 0: Hoare triple {8710#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {8710#true} is VALID [2020-07-28 18:58:40,682 INFO L280 TraceCheckUtils]: 1: Hoare triple {8710#true} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {8710#true} is VALID [2020-07-28 18:58:40,682 INFO L280 TraceCheckUtils]: 2: Hoare triple {8710#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {8710#true} is VALID [2020-07-28 18:58:40,682 INFO L280 TraceCheckUtils]: 3: Hoare triple {8710#true} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {8710#true} is VALID [2020-07-28 18:58:40,683 INFO L280 TraceCheckUtils]: 4: Hoare triple {8710#true} assume 0 != main_~tmp~5; {8710#true} is VALID [2020-07-28 18:58:40,683 INFO L280 TraceCheckUtils]: 5: Hoare triple {8710#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8710#true} is VALID [2020-07-28 18:58:40,683 INFO L280 TraceCheckUtils]: 6: Hoare triple {8710#true} assume !false; {8710#true} is VALID [2020-07-28 18:58:40,683 INFO L280 TraceCheckUtils]: 7: Hoare triple {8710#true} assume test_~splverifierCounter~0 < 4; {8710#true} is VALID [2020-07-28 18:58:40,683 INFO L280 TraceCheckUtils]: 8: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {8710#true} is VALID [2020-07-28 18:58:40,684 INFO L280 TraceCheckUtils]: 9: Hoare triple {8710#true} assume 0 != test_~tmp~0; {8710#true} is VALID [2020-07-28 18:58:40,684 INFO L280 TraceCheckUtils]: 10: Hoare triple {8710#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8710#true} is VALID [2020-07-28 18:58:40,684 INFO L280 TraceCheckUtils]: 11: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {8710#true} is VALID [2020-07-28 18:58:40,684 INFO L280 TraceCheckUtils]: 12: Hoare triple {8710#true} assume !(0 != test_~tmp___0~0); {8710#true} is VALID [2020-07-28 18:58:40,684 INFO L280 TraceCheckUtils]: 13: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {8710#true} is VALID [2020-07-28 18:58:40,685 INFO L280 TraceCheckUtils]: 14: Hoare triple {8710#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8712#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:40,686 INFO L280 TraceCheckUtils]: 15: Hoare triple {8712#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {8712#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:40,686 INFO L280 TraceCheckUtils]: 16: Hoare triple {8712#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8710#true} is VALID [2020-07-28 18:58:40,686 INFO L280 TraceCheckUtils]: 17: Hoare triple {8710#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {8710#true} is VALID [2020-07-28 18:58:40,686 INFO L280 TraceCheckUtils]: 18: Hoare triple {8710#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {8710#true} is VALID [2020-07-28 18:58:40,687 INFO L280 TraceCheckUtils]: 19: Hoare triple {8710#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {8710#true} is VALID [2020-07-28 18:58:40,687 INFO L280 TraceCheckUtils]: 20: Hoare triple {8710#true} isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret24 && isHighWaterLevel_#t~ret24 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; {8710#true} is VALID [2020-07-28 18:58:40,687 INFO L280 TraceCheckUtils]: 21: Hoare triple {8710#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {8710#true} is VALID [2020-07-28 18:58:40,687 INFO L280 TraceCheckUtils]: 22: Hoare triple {8710#true} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {8710#true} is VALID [2020-07-28 18:58:40,687 INFO L280 TraceCheckUtils]: 23: Hoare triple {8710#true} processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret4 && processEnvironment__wrappee__methaneQuery_#t~ret4 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; {8710#true} is VALID [2020-07-28 18:58:40,688 INFO L280 TraceCheckUtils]: 24: Hoare triple {8710#true} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~1;havoc activatePump_#t~ret6, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8710#true} is VALID [2020-07-28 18:58:40,688 INFO L280 TraceCheckUtils]: 25: Hoare triple {8710#true} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {8710#true} is VALID [2020-07-28 18:58:40,688 INFO L280 TraceCheckUtils]: 26: Hoare triple {8710#true} activatePump_#t~ret6 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret6 && activatePump_#t~ret6 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret6;havoc activatePump_#t~ret6; {8710#true} is VALID [2020-07-28 18:58:40,688 INFO L280 TraceCheckUtils]: 27: Hoare triple {8710#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {8710#true} is VALID [2020-07-28 18:58:40,689 INFO L280 TraceCheckUtils]: 28: Hoare triple {8710#true} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8710#true} is VALID [2020-07-28 18:58:40,689 INFO L280 TraceCheckUtils]: 29: Hoare triple {8710#true} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {8710#true} is VALID [2020-07-28 18:58:40,689 INFO L280 TraceCheckUtils]: 30: Hoare triple {8710#true} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); {8710#true} is VALID [2020-07-28 18:58:40,690 INFO L280 TraceCheckUtils]: 31: Hoare triple {8710#true} assume !false; {8710#true} is VALID [2020-07-28 18:58:40,690 INFO L280 TraceCheckUtils]: 32: Hoare triple {8710#true} assume test_~splverifierCounter~0 < 4; {8710#true} is VALID [2020-07-28 18:58:40,691 INFO L280 TraceCheckUtils]: 33: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {8710#true} is VALID [2020-07-28 18:58:40,691 INFO L280 TraceCheckUtils]: 34: Hoare triple {8710#true} assume !(0 != test_~tmp~0); {8710#true} is VALID [2020-07-28 18:58:40,692 INFO L280 TraceCheckUtils]: 35: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {8710#true} is VALID [2020-07-28 18:58:40,692 INFO L280 TraceCheckUtils]: 36: Hoare triple {8710#true} assume 0 != test_~tmp___0~0; {8710#true} is VALID [2020-07-28 18:58:40,693 INFO L280 TraceCheckUtils]: 37: Hoare triple {8710#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8713#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:40,694 INFO L280 TraceCheckUtils]: 38: Hoare triple {8713#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {8713#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:40,695 INFO L280 TraceCheckUtils]: 39: Hoare triple {8713#(not (= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8713#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:40,695 INFO L280 TraceCheckUtils]: 40: Hoare triple {8713#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~pumpRunning~0; {8713#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:40,696 INFO L280 TraceCheckUtils]: 41: Hoare triple {8713#(not (= 0 ~methaneLevelCritical~0))} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8713#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:40,696 INFO L280 TraceCheckUtils]: 42: Hoare triple {8713#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8713#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:40,697 INFO L280 TraceCheckUtils]: 43: Hoare triple {8713#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8714#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 18:58:40,698 INFO L280 TraceCheckUtils]: 44: Hoare triple {8714#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {8715#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} is VALID [2020-07-28 18:58:40,699 INFO L280 TraceCheckUtils]: 45: Hoare triple {8715#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} processEnvironment_#t~ret5 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret5 && processEnvironment_#t~ret5 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; {8716#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~2))} is VALID [2020-07-28 18:58:40,701 INFO L280 TraceCheckUtils]: 46: Hoare triple {8716#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~2))} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {8711#false} is VALID [2020-07-28 18:58:40,701 INFO L280 TraceCheckUtils]: 47: Hoare triple {8711#false} assume !(0 == ~pumpRunning~0); {8711#false} is VALID [2020-07-28 18:58:40,702 INFO L280 TraceCheckUtils]: 48: Hoare triple {8711#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8711#false} is VALID [2020-07-28 18:58:40,702 INFO L280 TraceCheckUtils]: 49: Hoare triple {8711#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {8711#false} is VALID [2020-07-28 18:58:40,702 INFO L280 TraceCheckUtils]: 50: Hoare triple {8711#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {8711#false} is VALID [2020-07-28 18:58:40,702 INFO L280 TraceCheckUtils]: 51: Hoare triple {8711#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {8711#false} is VALID [2020-07-28 18:58:40,703 INFO L280 TraceCheckUtils]: 52: Hoare triple {8711#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {8711#false} is VALID [2020-07-28 18:58:40,703 INFO L280 TraceCheckUtils]: 53: Hoare triple {8711#false} assume !false; {8711#false} is VALID [2020-07-28 18:58:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-28 18:58:40,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49057715] [2020-07-28 18:58:40,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593902345] [2020-07-28 18:58:40,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:58:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:40,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-28 18:58:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:40,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:58:41,183 INFO L280 TraceCheckUtils]: 0: Hoare triple {8710#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {8710#true} is VALID [2020-07-28 18:58:41,183 INFO L280 TraceCheckUtils]: 1: Hoare triple {8710#true} havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; {8710#true} is VALID [2020-07-28 18:58:41,184 INFO L280 TraceCheckUtils]: 2: Hoare triple {8710#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {8710#true} is VALID [2020-07-28 18:58:41,184 INFO L280 TraceCheckUtils]: 3: Hoare triple {8710#true} main_#t~ret25 := valid_product_#res;assume -2147483648 <= main_#t~ret25 && main_#t~ret25 <= 2147483647;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; {8710#true} is VALID [2020-07-28 18:58:41,184 INFO L280 TraceCheckUtils]: 4: Hoare triple {8710#true} assume 0 != main_~tmp~5; {8710#true} is VALID [2020-07-28 18:58:41,185 INFO L280 TraceCheckUtils]: 5: Hoare triple {8710#true} havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8710#true} is VALID [2020-07-28 18:58:41,185 INFO L280 TraceCheckUtils]: 6: Hoare triple {8710#true} assume !false; {8710#true} is VALID [2020-07-28 18:58:41,185 INFO L280 TraceCheckUtils]: 7: Hoare triple {8710#true} assume test_~splverifierCounter~0 < 4; {8710#true} is VALID [2020-07-28 18:58:41,185 INFO L280 TraceCheckUtils]: 8: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {8710#true} is VALID [2020-07-28 18:58:41,185 INFO L280 TraceCheckUtils]: 9: Hoare triple {8710#true} assume 0 != test_~tmp~0; {8710#true} is VALID [2020-07-28 18:58:41,186 INFO L280 TraceCheckUtils]: 10: Hoare triple {8710#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8710#true} is VALID [2020-07-28 18:58:41,186 INFO L280 TraceCheckUtils]: 11: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {8710#true} is VALID [2020-07-28 18:58:41,186 INFO L280 TraceCheckUtils]: 12: Hoare triple {8710#true} assume !(0 != test_~tmp___0~0); {8710#true} is VALID [2020-07-28 18:58:41,186 INFO L280 TraceCheckUtils]: 13: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {8710#true} is VALID [2020-07-28 18:58:41,186 INFO L280 TraceCheckUtils]: 14: Hoare triple {8710#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8710#true} is VALID [2020-07-28 18:58:41,187 INFO L280 TraceCheckUtils]: 15: Hoare triple {8710#true} assume !(0 != ~pumpRunning~0); {8710#true} is VALID [2020-07-28 18:58:41,187 INFO L280 TraceCheckUtils]: 16: Hoare triple {8710#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8710#true} is VALID [2020-07-28 18:58:41,187 INFO L280 TraceCheckUtils]: 17: Hoare triple {8710#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {8710#true} is VALID [2020-07-28 18:58:41,187 INFO L280 TraceCheckUtils]: 18: Hoare triple {8710#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {8710#true} is VALID [2020-07-28 18:58:41,192 INFO L280 TraceCheckUtils]: 19: Hoare triple {8710#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {8710#true} is VALID [2020-07-28 18:58:41,193 INFO L280 TraceCheckUtils]: 20: Hoare triple {8710#true} isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret24 && isHighWaterLevel_#t~ret24 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; {8710#true} is VALID [2020-07-28 18:58:41,193 INFO L280 TraceCheckUtils]: 21: Hoare triple {8710#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; {8710#true} is VALID [2020-07-28 18:58:41,193 INFO L280 TraceCheckUtils]: 22: Hoare triple {8710#true} isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; {8710#true} is VALID [2020-07-28 18:58:41,193 INFO L280 TraceCheckUtils]: 23: Hoare triple {8710#true} processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret4 && processEnvironment__wrappee__methaneQuery_#t~ret4 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; {8710#true} is VALID [2020-07-28 18:58:41,194 INFO L280 TraceCheckUtils]: 24: Hoare triple {8710#true} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~1;havoc activatePump_#t~ret6, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8710#true} is VALID [2020-07-28 18:58:41,194 INFO L280 TraceCheckUtils]: 25: Hoare triple {8710#true} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {8710#true} is VALID [2020-07-28 18:58:41,194 INFO L280 TraceCheckUtils]: 26: Hoare triple {8710#true} activatePump_#t~ret6 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret6 && activatePump_#t~ret6 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret6;havoc activatePump_#t~ret6; {8710#true} is VALID [2020-07-28 18:58:41,194 INFO L280 TraceCheckUtils]: 27: Hoare triple {8710#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {8710#true} is VALID [2020-07-28 18:58:41,194 INFO L280 TraceCheckUtils]: 28: Hoare triple {8710#true} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8710#true} is VALID [2020-07-28 18:58:41,194 INFO L280 TraceCheckUtils]: 29: Hoare triple {8710#true} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {8710#true} is VALID [2020-07-28 18:58:41,195 INFO L280 TraceCheckUtils]: 30: Hoare triple {8710#true} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); {8710#true} is VALID [2020-07-28 18:58:41,195 INFO L280 TraceCheckUtils]: 31: Hoare triple {8710#true} assume !false; {8710#true} is VALID [2020-07-28 18:58:41,195 INFO L280 TraceCheckUtils]: 32: Hoare triple {8710#true} assume test_~splverifierCounter~0 < 4; {8710#true} is VALID [2020-07-28 18:58:41,195 INFO L280 TraceCheckUtils]: 33: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet0 && test_#t~nondet0 <= 2147483647;test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; {8710#true} is VALID [2020-07-28 18:58:41,195 INFO L280 TraceCheckUtils]: 34: Hoare triple {8710#true} assume !(0 != test_~tmp~0); {8710#true} is VALID [2020-07-28 18:58:41,196 INFO L280 TraceCheckUtils]: 35: Hoare triple {8710#true} assume -2147483648 <= test_#t~nondet1 && test_#t~nondet1 <= 2147483647;test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; {8710#true} is VALID [2020-07-28 18:58:41,196 INFO L280 TraceCheckUtils]: 36: Hoare triple {8710#true} assume 0 != test_~tmp___0~0; {8710#true} is VALID [2020-07-28 18:58:41,199 INFO L280 TraceCheckUtils]: 37: Hoare triple {8710#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8831#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,200 INFO L280 TraceCheckUtils]: 38: Hoare triple {8831#(<= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet2 && test_#t~nondet2 <= 2147483647;test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; {8831#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,201 INFO L280 TraceCheckUtils]: 39: Hoare triple {8831#(<= 1 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8831#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,202 INFO L280 TraceCheckUtils]: 40: Hoare triple {8831#(<= 1 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0; {8831#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,203 INFO L280 TraceCheckUtils]: 41: Hoare triple {8831#(<= 1 ~methaneLevelCritical~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8831#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,204 INFO L280 TraceCheckUtils]: 42: Hoare triple {8831#(<= 1 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8831#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:41,206 INFO L280 TraceCheckUtils]: 43: Hoare triple {8831#(<= 1 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret7, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8850#(<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:41,208 INFO L280 TraceCheckUtils]: 44: Hoare triple {8850#(<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} isMethaneAlarm_#t~ret7 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret7 && isMethaneAlarm_#t~ret7 <= 2147483647;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret7;havoc isMethaneAlarm_#t~ret7;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; {8854#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} is VALID [2020-07-28 18:58:41,209 INFO L280 TraceCheckUtils]: 45: Hoare triple {8854#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} processEnvironment_#t~ret5 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret5 && processEnvironment_#t~ret5 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret5;havoc processEnvironment_#t~ret5; {8858#(<= 1 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 18:58:41,209 INFO L280 TraceCheckUtils]: 46: Hoare triple {8858#(<= 1 ULTIMATE.start_processEnvironment_~tmp~2)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {8711#false} is VALID [2020-07-28 18:58:41,210 INFO L280 TraceCheckUtils]: 47: Hoare triple {8711#false} assume !(0 == ~pumpRunning~0); {8711#false} is VALID [2020-07-28 18:58:41,210 INFO L280 TraceCheckUtils]: 48: Hoare triple {8711#false} havoc __utac_acc__Specification1_spec__1_#t~ret27, __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8711#false} is VALID [2020-07-28 18:58:41,210 INFO L280 TraceCheckUtils]: 49: Hoare triple {8711#false} __utac_acc__Specification1_spec__1_#t~ret27 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret27 && __utac_acc__Specification1_spec__1_#t~ret27 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret27;havoc __utac_acc__Specification1_spec__1_#t~ret27; {8711#false} is VALID [2020-07-28 18:58:41,211 INFO L280 TraceCheckUtils]: 50: Hoare triple {8711#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {8711#false} is VALID [2020-07-28 18:58:41,211 INFO L280 TraceCheckUtils]: 51: Hoare triple {8711#false} __utac_acc__Specification1_spec__1_#t~ret28 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret28 && __utac_acc__Specification1_spec__1_#t~ret28 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~2 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; {8711#false} is VALID [2020-07-28 18:58:41,211 INFO L280 TraceCheckUtils]: 52: Hoare triple {8711#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~2; {8711#false} is VALID [2020-07-28 18:58:41,211 INFO L280 TraceCheckUtils]: 53: Hoare triple {8711#false} assume !false; {8711#false} is VALID [2020-07-28 18:58:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-28 18:58:41,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 18:58:41,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2020-07-28 18:58:41,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92066262] [2020-07-28 18:58:41,225 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-28 18:58:41,225 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:41,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:41,291 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:41,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:41,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:41,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-28 18:58:41,294 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 6 states. [2020-07-28 18:58:43,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:43,706 INFO L93 Difference]: Finished difference Result 497 states and 639 transitions. [2020-07-28 18:58:43,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 18:58:43,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-28 18:58:43,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:43,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 350 transitions. [2020-07-28 18:58:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 350 transitions. [2020-07-28 18:58:43,712 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 350 transitions. [2020-07-28 18:58:44,139 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 350 edges. 350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:44,139 INFO L225 Difference]: With dead ends: 497 [2020-07-28 18:58:44,139 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:58:44,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-07-28 18:58:44,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:58:44,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:58:44,141 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:44,141 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:44,142 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:44,142 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:44,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,142 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:58:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:44,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:44,143 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:44,143 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:44,143 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:44,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:44,143 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:58:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:44,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:44,144 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:44,144 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:44,144 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:58:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:58:44,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-07-28 18:58:44,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:44,146 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:58:44,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:44,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:44,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-28 18:58:44,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:58:44,621 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 89 [2020-07-28 18:58:45,011 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2020-07-28 18:58:45,198 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2020-07-28 18:58:45,380 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2020-07-28 18:58:45,521 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2020-07-28 18:58:45,653 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 102 [2020-07-28 18:58:46,276 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 20 [2020-07-28 18:58:46,480 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2020-07-28 18:58:46,743 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-07-28 18:58:46,979 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 26 [2020-07-28 18:58:47,550 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 16 [2020-07-28 18:58:48,025 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2020-07-28 18:58:48,453 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 16 [2020-07-28 18:58:48,882 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 14 [2020-07-28 18:58:49,338 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 14 [2020-07-28 18:58:49,522 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2020-07-28 18:58:49,523 INFO L264 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 1 ~methaneLevelCritical~0) .cse2 .cse3) (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4))) [2020-07-28 18:58:49,523 INFO L264 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2020-07-28 18:58:49,523 INFO L264 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2020-07-28 18:58:49,523 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2020-07-28 18:58:49,523 INFO L268 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2020-07-28 18:58:49,524 INFO L268 CegarLoopResult]: For program point L500-3(lines 500 504) no Hoare annotation was computed. [2020-07-28 18:58:49,524 INFO L268 CegarLoopResult]: For program point L500-6(lines 500 504) no Hoare annotation was computed. [2020-07-28 18:58:49,524 INFO L264 CegarLoopResult]: At program point L335-2(lines 335 349) the Hoare annotation is: false [2020-07-28 18:58:49,524 INFO L268 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-07-28 18:58:49,524 INFO L268 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,524 INFO L268 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,525 INFO L268 CegarLoopResult]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2020-07-28 18:58:49,526 INFO L264 CegarLoopResult]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) .cse1) (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,526 INFO L264 CegarLoopResult]: At program point L537-1(lines 532 540) the Hoare annotation is: (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 18:58:49,526 INFO L264 CegarLoopResult]: At program point L537-2(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) .cse1 .cse2))) [2020-07-28 18:58:49,526 INFO L264 CegarLoopResult]: At program point L537-3(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1) (and .cse0 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,526 INFO L264 CegarLoopResult]: At program point L537-4(lines 532 540) the Hoare annotation is: false [2020-07-28 18:58:49,526 INFO L264 CegarLoopResult]: At program point L537-5(lines 532 540) the Hoare annotation is: false [2020-07-28 18:58:49,526 INFO L264 CegarLoopResult]: At program point L537-6(lines 532 540) the Hoare annotation is: false [2020-07-28 18:58:49,527 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-28 18:58:49,527 INFO L264 CegarLoopResult]: At program point L537-7(lines 532 540) the Hoare annotation is: false [2020-07-28 18:58:49,527 INFO L268 CegarLoopResult]: For program point L339-1(lines 128 134) no Hoare annotation was computed. [2020-07-28 18:58:49,527 INFO L264 CegarLoopResult]: At program point L537-8(lines 532 540) the Hoare annotation is: false [2020-07-28 18:58:49,527 INFO L264 CegarLoopResult]: At program point L537-9(lines 532 540) the Hoare annotation is: false [2020-07-28 18:58:49,527 INFO L264 CegarLoopResult]: At program point L537-10(lines 532 540) the Hoare annotation is: false [2020-07-28 18:58:49,527 INFO L264 CegarLoopResult]: At program point L537-11(lines 532 540) the Hoare annotation is: false [2020-07-28 18:58:49,528 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-28 18:58:49,528 INFO L264 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,529 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2020-07-28 18:58:49,529 INFO L268 CegarLoopResult]: For program point L475(lines 475 488) no Hoare annotation was computed. [2020-07-28 18:58:49,529 INFO L264 CegarLoopResult]: At program point L475-1(lines 1 952) the Hoare annotation is: (let ((.cse1 (<= ~methaneLevelCritical~0 0)) (.cse4 (<= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4) (and (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6) .cse3 .cse4) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) .cse2 .cse3))) [2020-07-28 18:58:49,529 INFO L268 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2020-07-28 18:58:49,529 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 488) no Hoare annotation was computed. [2020-07-28 18:58:49,529 INFO L264 CegarLoopResult]: At program point L475-3(lines 1 952) the Hoare annotation is: false [2020-07-28 18:58:49,529 INFO L271 CegarLoopResult]: At program point L409-1(lines 409 416) the Hoare annotation is: true [2020-07-28 18:58:49,529 INFO L268 CegarLoopResult]: For program point L475-4(lines 475 488) no Hoare annotation was computed. [2020-07-28 18:58:49,530 INFO L264 CegarLoopResult]: At program point L475-5(lines 1 952) the Hoare annotation is: false [2020-07-28 18:58:49,530 INFO L264 CegarLoopResult]: At program point L311(lines 296 314) the Hoare annotation is: (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 18:58:49,530 INFO L264 CegarLoopResult]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,530 INFO L264 CegarLoopResult]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2020-07-28 18:58:49,530 INFO L264 CegarLoopResult]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2020-07-28 18:58:49,530 INFO L264 CegarLoopResult]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2020-07-28 18:58:49,530 INFO L264 CegarLoopResult]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2020-07-28 18:58:49,530 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-28 18:58:49,530 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-28 18:58:49,531 INFO L268 CegarLoopResult]: For program point L577-2(lines 577 583) no Hoare annotation was computed. [2020-07-28 18:58:49,531 INFO L268 CegarLoopResult]: For program point L577-3(lines 577 583) no Hoare annotation was computed. [2020-07-28 18:58:49,531 INFO L264 CegarLoopResult]: At program point L445(lines 1 952) the Hoare annotation is: (and (<= ~methaneLevelCritical~0 0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 18:58:49,531 INFO L268 CegarLoopResult]: For program point L577-4(lines 577 583) no Hoare annotation was computed. [2020-07-28 18:58:49,531 INFO L268 CegarLoopResult]: For program point L577-5(lines 577 583) no Hoare annotation was computed. [2020-07-28 18:58:49,531 INFO L264 CegarLoopResult]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1) (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,531 INFO L264 CegarLoopResult]: At program point L247-1(lines 240 250) the Hoare annotation is: (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 18:58:49,532 INFO L264 CegarLoopResult]: At program point L247-2(lines 240 250) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2) (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,532 INFO L264 CegarLoopResult]: At program point L247-3(lines 240 250) the Hoare annotation is: false [2020-07-28 18:58:49,532 INFO L264 CegarLoopResult]: At program point L247-4(lines 240 250) the Hoare annotation is: false [2020-07-28 18:58:49,532 INFO L264 CegarLoopResult]: At program point L247-5(lines 240 250) the Hoare annotation is: false [2020-07-28 18:58:49,532 INFO L264 CegarLoopResult]: At program point L247-6(lines 240 250) the Hoare annotation is: false [2020-07-28 18:58:49,532 INFO L264 CegarLoopResult]: At program point L247-7(lines 240 250) the Hoare annotation is: false [2020-07-28 18:58:49,532 INFO L264 CegarLoopResult]: At program point L247-8(lines 240 250) the Hoare annotation is: false [2020-07-28 18:58:49,532 INFO L268 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2020-07-28 18:58:49,532 INFO L268 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2020-07-28 18:58:49,532 INFO L268 CegarLoopResult]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2020-07-28 18:58:49,533 INFO L268 CegarLoopResult]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2020-07-28 18:58:49,533 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-28 18:58:49,533 INFO L264 CegarLoopResult]: At program point L383(lines 379 385) the Hoare annotation is: (and (<= ~methaneLevelCritical~0 0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 18:58:49,533 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:58:49,533 INFO L264 CegarLoopResult]: At program point L582(lines 573 586) the Hoare annotation is: (and (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= ~methaneLevelCritical~0 0) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 18:58:49,533 INFO L264 CegarLoopResult]: At program point L582-1(lines 573 586) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 .cse2 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,533 INFO L264 CegarLoopResult]: At program point L582-2(lines 573 586) the Hoare annotation is: false [2020-07-28 18:58:49,533 INFO L264 CegarLoopResult]: At program point L582-3(lines 573 586) the Hoare annotation is: false [2020-07-28 18:58:49,534 INFO L264 CegarLoopResult]: At program point L582-4(lines 573 586) the Hoare annotation is: false [2020-07-28 18:58:49,534 INFO L264 CegarLoopResult]: At program point L582-5(lines 573 586) the Hoare annotation is: false [2020-07-28 18:58:49,534 INFO L268 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2020-07-28 18:58:49,534 INFO L268 CegarLoopResult]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2020-07-28 18:58:49,534 INFO L268 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2020-07-28 18:58:49,534 INFO L271 CegarLoopResult]: At program point L418(lines 399 421) the Hoare annotation is: true [2020-07-28 18:58:49,534 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-28 18:58:49,534 INFO L264 CegarLoopResult]: At program point L453(lines 448 456) the Hoare annotation is: (and (<= ~methaneLevelCritical~0 0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0)) [2020-07-28 18:58:49,534 INFO L268 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2020-07-28 18:58:49,535 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 228) no Hoare annotation was computed. [2020-07-28 18:58:49,535 INFO L268 CegarLoopResult]: For program point L222-4(lines 222 228) no Hoare annotation was computed. [2020-07-28 18:58:49,535 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-28 18:58:49,535 INFO L268 CegarLoopResult]: For program point L222-6(lines 222 228) no Hoare annotation was computed. [2020-07-28 18:58:49,535 INFO L268 CegarLoopResult]: For program point L222-8(lines 222 228) no Hoare annotation was computed. [2020-07-28 18:58:49,535 INFO L268 CegarLoopResult]: For program point L222-10(lines 222 228) no Hoare annotation was computed. [2020-07-28 18:58:49,535 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:58:49,535 INFO L264 CegarLoopResult]: At program point L256(lines 251 259) the Hoare annotation is: (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 18:58:49,535 INFO L264 CegarLoopResult]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2020-07-28 18:58:49,535 INFO L268 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2020-07-28 18:58:49,536 INFO L264 CegarLoopResult]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2020-07-28 18:58:49,536 INFO L268 CegarLoopResult]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2020-07-28 18:58:49,536 INFO L268 CegarLoopResult]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2020-07-28 18:58:49,536 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-07-28 18:58:49,536 INFO L264 CegarLoopResult]: At program point L93-2(lines 128 134) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,536 INFO L268 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-07-28 18:58:49,536 INFO L268 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2020-07-28 18:58:49,536 INFO L268 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2020-07-28 18:58:49,536 INFO L268 CegarLoopResult]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2020-07-28 18:58:49,536 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:58:49,537 INFO L268 CegarLoopResult]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2020-07-28 18:58:49,537 INFO L268 CegarLoopResult]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2020-07-28 18:58:49,537 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-07-28 18:58:49,537 INFO L264 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 (<= 0 ~methaneLevelCritical~0)))) [2020-07-28 18:58:49,537 INFO L268 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2020-07-28 18:58:49,537 INFO L264 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2020-07-28 18:58:49,537 INFO L264 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2020-07-28 18:58:49,537 INFO L268 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-07-28 18:58:49,537 INFO L268 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2020-07-28 18:58:49,538 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2020-07-28 18:58:49,538 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-28 18:58:49,538 INFO L268 CegarLoopResult]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2020-07-28 18:58:49,538 INFO L264 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse1 (<= ~methaneLevelCritical~0 0)) (.cse3 (<= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse3) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) .cse4 .cse2))) [2020-07-28 18:58:49,538 INFO L268 CegarLoopResult]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2020-07-28 18:58:49,538 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:58:49,538 INFO L268 CegarLoopResult]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2020-07-28 18:58:49,538 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2020-07-28 18:58:49,538 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-28 18:58:49,539 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-07-28 18:58:49,539 INFO L268 CegarLoopResult]: For program point L462-2(line 462) no Hoare annotation was computed. [2020-07-28 18:58:49,543 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:58:49,543 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:58:49,549 WARN L170 areAnnotationChecker]: L409 has no Hoare annotation [2020-07-28 18:58:49,549 WARN L170 areAnnotationChecker]: L409 has no Hoare annotation [2020-07-28 18:58:49,549 WARN L170 areAnnotationChecker]: L409 has no Hoare annotation [2020-07-28 18:58:49,554 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:49,554 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:49,554 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 18:58:49,554 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:49,554 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-28 18:58:49,554 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L500-3 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L500-3 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L186-1 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L186-1 has no Hoare annotation [2020-07-28 18:58:49,555 WARN L170 areAnnotationChecker]: L186-1 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L512 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L512 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L160-3 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L160-3 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L475-2 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L190-1 has no Hoare annotation [2020-07-28 18:58:49,556 WARN L170 areAnnotationChecker]: L577-3 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L577-3 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L475-2 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L475-2 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L524 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L190-1 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L190-1 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L305-9 has no Hoare annotation [2020-07-28 18:58:49,557 WARN L170 areAnnotationChecker]: L479-2 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L160-2 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L160-2 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L305-9 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L305-9 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L479-2 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L479-2 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 18:58:49,558 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L577-2 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L577-2 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L305-11 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L462-1 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L462-1 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-28 18:58:49,560 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2020-07-28 18:58:49,561 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-28 18:58:49,562 WARN L170 areAnnotationChecker]: L305-6 has no Hoare annotation [2020-07-28 18:58:49,562 WARN L170 areAnnotationChecker]: L164-3 has no Hoare annotation [2020-07-28 18:58:49,562 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 18:58:49,562 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-28 18:58:49,562 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-28 18:58:49,562 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-28 18:58:49,564 WARN L170 areAnnotationChecker]: L305-6 has no Hoare annotation [2020-07-28 18:58:49,564 WARN L170 areAnnotationChecker]: L305-6 has no Hoare annotation [2020-07-28 18:58:49,564 WARN L170 areAnnotationChecker]: L164-3 has no Hoare annotation [2020-07-28 18:58:49,564 WARN L170 areAnnotationChecker]: L164-3 has no Hoare annotation [2020-07-28 18:58:49,564 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-28 18:58:49,564 WARN L170 areAnnotationChecker]: L339-1 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L160-1 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L160-1 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L305-8 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L500-6 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L500-6 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L186-2 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2020-07-28 18:58:49,566 WARN L170 areAnnotationChecker]: L577-1 has no Hoare annotation [2020-07-28 18:58:49,567 WARN L170 areAnnotationChecker]: L577-1 has no Hoare annotation [2020-07-28 18:58:49,567 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-28 18:58:49,567 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-28 18:58:49,567 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 18:58:49,567 WARN L170 areAnnotationChecker]: L222-6 has no Hoare annotation [2020-07-28 18:58:49,567 WARN L170 areAnnotationChecker]: L186-2 has no Hoare annotation [2020-07-28 18:58:49,568 WARN L170 areAnnotationChecker]: L186-2 has no Hoare annotation [2020-07-28 18:58:49,568 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2020-07-28 18:58:49,568 WARN L170 areAnnotationChecker]: L190 has no Hoare annotation [2020-07-28 18:58:49,568 WARN L170 areAnnotationChecker]: L305-3 has no Hoare annotation [2020-07-28 18:58:49,568 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L222-6 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L222-6 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L160-5 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L160-5 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L475-4 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L305-3 has no Hoare annotation [2020-07-28 18:58:49,569 WARN L170 areAnnotationChecker]: L305-3 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L190-2 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L577-5 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L577-5 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L475-4 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L475-4 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-28 18:58:49,570 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L305-5 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L462 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L462 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L222-4 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L190-2 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L190-2 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L305-15 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L479-4 has no Hoare annotation [2020-07-28 18:58:49,571 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L222-4 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L222-4 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L160-4 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L160-4 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L305-15 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L305-15 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L479-4 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L479-4 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 18:58:49,572 WARN L170 areAnnotationChecker]: L305 has no Hoare annotation [2020-07-28 18:58:49,573 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 18:58:49,573 WARN L170 areAnnotationChecker]: L164-1 has no Hoare annotation [2020-07-28 18:58:49,573 WARN L170 areAnnotationChecker]: L577-4 has no Hoare annotation [2020-07-28 18:58:49,573 WARN L170 areAnnotationChecker]: L577-4 has no Hoare annotation [2020-07-28 18:58:49,573 WARN L170 areAnnotationChecker]: L305-17 has no Hoare annotation [2020-07-28 18:58:49,573 WARN L170 areAnnotationChecker]: L462-2 has no Hoare annotation [2020-07-28 18:58:49,573 WARN L170 areAnnotationChecker]: L462-2 has no Hoare annotation [2020-07-28 18:58:49,573 WARN L170 areAnnotationChecker]: L305-2 has no Hoare annotation [2020-07-28 18:58:49,579 WARN L170 areAnnotationChecker]: L305-12 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L164-5 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L222-2 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L305-12 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L305-12 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L164-5 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L164-5 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 18:58:49,580 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-28 18:58:49,581 WARN L170 areAnnotationChecker]: L222-2 has no Hoare annotation [2020-07-28 18:58:49,581 WARN L170 areAnnotationChecker]: L222-2 has no Hoare annotation [2020-07-28 18:58:49,581 WARN L170 areAnnotationChecker]: L305-14 has no Hoare annotation [2020-07-28 18:58:49,582 WARN L170 areAnnotationChecker]: L164-4 has no Hoare annotation [2020-07-28 18:58:49,582 WARN L170 areAnnotationChecker]: L222-10 has no Hoare annotation [2020-07-28 18:58:49,582 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-28 18:58:49,582 WARN L170 areAnnotationChecker]: L164-4 has no Hoare annotation [2020-07-28 18:58:49,583 WARN L170 areAnnotationChecker]: L164-4 has no Hoare annotation [2020-07-28 18:58:49,583 WARN L170 areAnnotationChecker]: L222-10 has no Hoare annotation [2020-07-28 18:58:49,583 WARN L170 areAnnotationChecker]: L222-10 has no Hoare annotation [2020-07-28 18:58:49,583 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-28 18:58:49,583 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-28 18:58:49,583 WARN L170 areAnnotationChecker]: L222-8 has no Hoare annotation [2020-07-28 18:58:49,583 WARN L170 areAnnotationChecker]: L222-8 has no Hoare annotation [2020-07-28 18:58:49,583 WARN L170 areAnnotationChecker]: L222-8 has no Hoare annotation [2020-07-28 18:58:49,583 INFO L163 areAnnotationChecker]: CFG has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:58:49,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:58:49 BoogieIcfgContainer [2020-07-28 18:58:49,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:58:49,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:58:49,616 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:58:49,616 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:58:49,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:25" (3/4) ... [2020-07-28 18:58:49,620 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:58:49,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:58:49,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:58:49,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:58:49,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:58:49,646 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:58:49,647 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:58:49,648 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:58:49,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == splverifierCounter && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical) || (((((((tmp <= 0 && \result <= 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= tmp) && 1 == systemActive) && 0 <= methaneLevelCritical)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 18:58:49,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp <= 0 && \result <= 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= tmp) && 1 == systemActive) && 0 <= methaneLevelCritical) || ((((0 == splverifierCounter && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 18:58:49,682 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == splverifierCounter && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 0 <= methaneLevelCritical) [2020-07-28 18:58:49,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == splverifierCounter && \result <= 0) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 0 <= methaneLevelCritical) [2020-07-28 18:58:49,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) || (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 0 <= methaneLevelCritical) [2020-07-28 18:58:49,685 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 == systemActive) || (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 0 <= methaneLevelCritical) [2020-07-28 18:58:49,686 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 18:58:49,689 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical [2020-07-28 18:58:49,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 18:58:49,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical [2020-07-28 18:58:49,690 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == pumpRunning) && 1 == systemActive) || ((((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical) [2020-07-28 18:58:49,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical [2020-07-28 18:58:49,692 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical [2020-07-28 18:58:49,817 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:58:49,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:58:49,820 INFO L168 Benchmark]: Toolchain (without parser) took 26964.44 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 476.1 MB). Free memory was 953.5 MB in the beginning and 987.7 MB in the end (delta: -34.2 MB). Peak memory consumption was 441.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,820 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:49,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:58:49,821 INFO L168 Benchmark]: Boogie Preprocessor took 81.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,822 INFO L168 Benchmark]: RCFGBuilder took 1807.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.5 MB in the end (delta: 187.8 MB). Peak memory consumption was 187.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,822 INFO L168 Benchmark]: TraceAbstraction took 23965.30 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 349.2 MB). Free memory was 906.5 MB in the beginning and 1.0 GB in the end (delta: -107.4 MB). Peak memory consumption was 241.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,823 INFO L168 Benchmark]: Witness Printer took 201.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 987.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:58:49,825 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 764.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1807.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.5 MB in the end (delta: 187.8 MB). Peak memory consumption was 187.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23965.30 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 349.2 MB). Free memory was 906.5 MB in the beginning and 1.0 GB in the end (delta: -107.4 MB). Peak memory consumption was 241.8 MB. Max. memory is 11.5 GB. * Witness Printer took 201.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 987.7 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) || (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == splverifierCounter && \result <= 0) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((methaneLevelCritical <= 0 && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((((((((tmp <= 0 && \result <= 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= tmp) && 1 == systemActive) && 0 <= methaneLevelCritical) || ((((0 == splverifierCounter && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: (((methaneLevelCritical <= 0 && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical) || (((((((tmp <= 0 && \result <= 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= tmp) && 1 == systemActive) && 0 <= methaneLevelCritical)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == splverifierCounter && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 == systemActive) || (((0 == splverifierCounter && methaneLevelCritical <= 0) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) || ((((0 == splverifierCounter && methaneLevelCritical <= 0) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 == systemActive) || (((0 == splverifierCounter && methaneLevelCritical <= 0) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 == systemActive) || (((0 == splverifierCounter && methaneLevelCritical <= 0) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == pumpRunning) && 1 == systemActive) || ((((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((methaneLevelCritical <= 0 && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 0 == pumpRunning) && 1 == systemActive) && 0 <= methaneLevelCritical - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 == systemActive) || (((((\result <= 0 && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= \result) && 1 == systemActive) && 0 <= methaneLevelCritical) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1211 SDtfs, 1512 SDslu, 2024 SDs, 0 SdLazy, 335 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 709 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 201 NumberOfFragments, 675 HoareAnnotationTreeSize, 55 FomulaSimplifications, 257453 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 90724 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 373 ConstructedInterpolants, 0 QuantifiedInterpolants, 26810 SizeOfPredicates, 6 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 26/28 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...