./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product56.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_spec2_product56.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 730b837dafcd2995b5acc94906fc5437a0c170a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:00:19,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:00:19,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:00:19,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:00:19,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:00:19,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:00:19,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:00:19,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:00:19,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:00:19,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:00:19,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:00:19,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:00:19,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:00:19,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:00:19,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:00:19,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:00:19,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:00:19,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:00:19,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:00:19,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:00:19,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:00:19,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:00:19,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:00:19,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:00:19,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:00:19,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:00:19,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:00:19,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:00:19,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:00:19,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:00:19,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:00:19,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:00:19,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:00:19,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:00:19,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:00:19,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:00:19,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:00:19,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:00:19,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:00:19,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:00:19,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:00:19,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:00:19,433 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:00:19,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:00:19,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:00:19,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:00:19,438 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:00:19,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:00:19,438 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:00:19,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:00:19,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:00:19,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:00:19,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:00:19,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:00:19,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:00:19,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:00:19,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:00:19,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:00:19,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:00:19,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:00:19,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:00:19,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:00:19,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:00:19,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:00:19,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:00:19,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:00:19,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:00:19,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:00:19,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:00:19,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:00:19,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:00:19,443 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 -> 730b837dafcd2995b5acc94906fc5437a0c170a6 [2020-07-28 19:00:19,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:00:19,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:00:19,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:00:19,766 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:00:19,766 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:00:19,767 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2020-07-28 19:00:19,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19dc6f312/9028ce2745434a7b883823fdd4130e1b/FLAGb8032640c [2020-07-28 19:00:20,375 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:00:20,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2020-07-28 19:00:20,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19dc6f312/9028ce2745434a7b883823fdd4130e1b/FLAGb8032640c [2020-07-28 19:00:20,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19dc6f312/9028ce2745434a7b883823fdd4130e1b [2020-07-28 19:00:20,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:00:20,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:00:20,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:00:20,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:00:20,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:00:20,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:00:20" (1/1) ... [2020-07-28 19:00:20,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170972dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:20, skipping insertion in model container [2020-07-28 19:00:20,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:00:20" (1/1) ... [2020-07-28 19:00:20,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:00:20,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:00:21,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:00:21,230 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:00:21,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:00:21,375 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:00:21,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21 WrapperNode [2020-07-28 19:00:21,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:00:21,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:00:21,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:00:21,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:00:21,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:00:21,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:00:21,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:00:21,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:00:21,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (1/1) ... [2020-07-28 19:00:21,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:00:21,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:00:21,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:00:21,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:00:21,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (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 19:00:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:00:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:00:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:00:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:00:23,707 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:00:23,707 INFO L295 CfgBuilder]: Removed 284 assume(true) statements. [2020-07-28 19:00:23,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:00:23 BoogieIcfgContainer [2020-07-28 19:00:23,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:00:23,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:00:23,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:00:23,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:00:23,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:00:20" (1/3) ... [2020-07-28 19:00:23,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63263c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:00:23, skipping insertion in model container [2020-07-28 19:00:23,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:00:21" (2/3) ... [2020-07-28 19:00:23,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63263c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:00:23, skipping insertion in model container [2020-07-28 19:00:23,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:00:23" (3/3) ... [2020-07-28 19:00:23,720 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2020-07-28 19:00:23,730 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:00:23,738 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:00:23,754 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:00:23,779 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:00:23,779 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:00:23,780 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:00:23,780 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:00:23,780 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:00:23,780 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:00:23,781 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:00:23,781 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:00:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-07-28 19:00:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:00:23,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:23,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:23,812 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:23,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:23,819 INFO L82 PathProgramCache]: Analyzing trace with hash -217592316, now seen corresponding path program 1 times [2020-07-28 19:00:23,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:23,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493551045] [2020-07-28 19:00:23,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:24,202 INFO L280 TraceCheckUtils]: 0: Hoare triple {198#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {198#true} is VALID [2020-07-28 19:00:24,203 INFO L280 TraceCheckUtils]: 1: Hoare triple {198#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {198#true} is VALID [2020-07-28 19:00:24,203 INFO L280 TraceCheckUtils]: 2: Hoare triple {198#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {198#true} is VALID [2020-07-28 19:00:24,204 INFO L280 TraceCheckUtils]: 3: Hoare triple {198#true} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {198#true} is VALID [2020-07-28 19:00:24,204 INFO L280 TraceCheckUtils]: 4: Hoare triple {198#true} assume 0 != main_~tmp~10; {198#true} is VALID [2020-07-28 19:00:24,206 INFO L280 TraceCheckUtils]: 5: Hoare triple {198#true} ~methAndRunningLastTime~0 := 0; {198#true} is VALID [2020-07-28 19:00:24,207 INFO L280 TraceCheckUtils]: 6: Hoare triple {198#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {198#true} is VALID [2020-07-28 19:00:24,208 INFO L280 TraceCheckUtils]: 7: Hoare triple {198#true} assume false; {199#false} is VALID [2020-07-28 19:00:24,209 INFO L280 TraceCheckUtils]: 8: Hoare triple {199#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {199#false} is VALID [2020-07-28 19:00:24,209 INFO L280 TraceCheckUtils]: 9: Hoare triple {199#false} assume !(0 != ~pumpRunning~0); {199#false} is VALID [2020-07-28 19:00:24,209 INFO L280 TraceCheckUtils]: 10: Hoare triple {199#false} assume !(0 != ~systemActive~0); {199#false} is VALID [2020-07-28 19:00:24,210 INFO L280 TraceCheckUtils]: 11: Hoare triple {199#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {199#false} is VALID [2020-07-28 19:00:24,210 INFO L280 TraceCheckUtils]: 12: Hoare triple {199#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {199#false} is VALID [2020-07-28 19:00:24,211 INFO L280 TraceCheckUtils]: 13: Hoare triple {199#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {199#false} is VALID [2020-07-28 19:00:24,212 INFO L280 TraceCheckUtils]: 14: Hoare triple {199#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {199#false} is VALID [2020-07-28 19:00:24,212 INFO L280 TraceCheckUtils]: 15: Hoare triple {199#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {199#false} is VALID [2020-07-28 19:00:24,212 INFO L280 TraceCheckUtils]: 16: Hoare triple {199#false} assume 0 != ~methAndRunningLastTime~0; {199#false} is VALID [2020-07-28 19:00:24,213 INFO L280 TraceCheckUtils]: 17: Hoare triple {199#false} assume !false; {199#false} is VALID [2020-07-28 19:00:24,217 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 19:00:24,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493551045] [2020-07-28 19:00:24,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:24,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:24,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851240001] [2020-07-28 19:00:24,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:00:24,230 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:24,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:00:24,278 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:24,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:00:24,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:24,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:00:24,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:00:24,292 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2020-07-28 19:00:24,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:24,764 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2020-07-28 19:00:24,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:00:24,765 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:00:24,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:00:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 588 transitions. [2020-07-28 19:00:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:00:24,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 588 transitions. [2020-07-28 19:00:24,789 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 588 transitions. [2020-07-28 19:00:25,461 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 588 edges. 588 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:25,485 INFO L225 Difference]: With dead ends: 383 [2020-07-28 19:00:25,485 INFO L226 Difference]: Without dead ends: 191 [2020-07-28 19:00:25,490 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 19:00:25,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-07-28 19:00:25,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2020-07-28 19:00:25,565 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:25,565 INFO L82 GeneralOperation]: Start isEquivalent. First operand 191 states. Second operand 191 states. [2020-07-28 19:00:25,566 INFO L74 IsIncluded]: Start isIncluded. First operand 191 states. Second operand 191 states. [2020-07-28 19:00:25,566 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 191 states. [2020-07-28 19:00:25,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:25,581 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2020-07-28 19:00:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2020-07-28 19:00:25,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:25,584 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:25,584 INFO L74 IsIncluded]: Start isIncluded. First operand 191 states. Second operand 191 states. [2020-07-28 19:00:25,584 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 191 states. [2020-07-28 19:00:25,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:25,596 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2020-07-28 19:00:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2020-07-28 19:00:25,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:25,598 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:25,599 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:25,599 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-28 19:00:25,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2020-07-28 19:00:25,610 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2020-07-28 19:00:25,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:25,611 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2020-07-28 19:00:25,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:00:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2020-07-28 19:00:25,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:00:25,612 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:25,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:00:25,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:00:25,613 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:25,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:25,614 INFO L82 PathProgramCache]: Analyzing trace with hash -436428285, now seen corresponding path program 1 times [2020-07-28 19:00:25,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:25,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599590386] [2020-07-28 19:00:25,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:25,795 INFO L280 TraceCheckUtils]: 0: Hoare triple {1359#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1359#true} is VALID [2020-07-28 19:00:25,795 INFO L280 TraceCheckUtils]: 1: Hoare triple {1359#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {1359#true} is VALID [2020-07-28 19:00:25,795 INFO L280 TraceCheckUtils]: 2: Hoare triple {1359#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {1359#true} is VALID [2020-07-28 19:00:25,796 INFO L280 TraceCheckUtils]: 3: Hoare triple {1359#true} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {1359#true} is VALID [2020-07-28 19:00:25,796 INFO L280 TraceCheckUtils]: 4: Hoare triple {1359#true} assume 0 != main_~tmp~10; {1359#true} is VALID [2020-07-28 19:00:25,796 INFO L280 TraceCheckUtils]: 5: Hoare triple {1359#true} ~methAndRunningLastTime~0 := 0; {1359#true} is VALID [2020-07-28 19:00:25,797 INFO L280 TraceCheckUtils]: 6: Hoare triple {1359#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1361#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:00:25,798 INFO L280 TraceCheckUtils]: 7: Hoare triple {1361#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1361#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:00:25,799 INFO L280 TraceCheckUtils]: 8: Hoare triple {1361#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1360#false} is VALID [2020-07-28 19:00:25,800 INFO L280 TraceCheckUtils]: 9: Hoare triple {1360#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1360#false} is VALID [2020-07-28 19:00:25,800 INFO L280 TraceCheckUtils]: 10: Hoare triple {1360#false} assume !(0 != ~pumpRunning~0); {1360#false} is VALID [2020-07-28 19:00:25,800 INFO L280 TraceCheckUtils]: 11: Hoare triple {1360#false} assume !(0 != ~systemActive~0); {1360#false} is VALID [2020-07-28 19:00:25,800 INFO L280 TraceCheckUtils]: 12: Hoare triple {1360#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1360#false} is VALID [2020-07-28 19:00:25,801 INFO L280 TraceCheckUtils]: 13: Hoare triple {1360#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {1360#false} is VALID [2020-07-28 19:00:25,801 INFO L280 TraceCheckUtils]: 14: Hoare triple {1360#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1360#false} is VALID [2020-07-28 19:00:25,801 INFO L280 TraceCheckUtils]: 15: Hoare triple {1360#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {1360#false} is VALID [2020-07-28 19:00:25,802 INFO L280 TraceCheckUtils]: 16: Hoare triple {1360#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1360#false} is VALID [2020-07-28 19:00:25,802 INFO L280 TraceCheckUtils]: 17: Hoare triple {1360#false} assume 0 != ~methAndRunningLastTime~0; {1360#false} is VALID [2020-07-28 19:00:25,802 INFO L280 TraceCheckUtils]: 18: Hoare triple {1360#false} assume !false; {1360#false} is VALID [2020-07-28 19:00:25,804 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 19:00:25,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599590386] [2020-07-28 19:00:25,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:25,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:00:25,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577956579] [2020-07-28 19:00:25,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:00:25,807 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:25,807 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:25,838 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:25,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:25,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:25,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:25,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:25,840 INFO L87 Difference]: Start difference. First operand 191 states and 286 transitions. Second operand 3 states. [2020-07-28 19:00:26,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:26,150 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2020-07-28 19:00:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:26,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:00:26,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:26,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-28 19:00:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-07-28 19:00:26,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 286 transitions. [2020-07-28 19:00:26,462 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 286 edges. 286 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:26,465 INFO L225 Difference]: With dead ends: 191 [2020-07-28 19:00:26,465 INFO L226 Difference]: Without dead ends: 75 [2020-07-28 19:00:26,467 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 19:00:26,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-28 19:00:26,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-07-28 19:00:26,499 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:26,499 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2020-07-28 19:00:26,499 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-28 19:00:26,499 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-28 19:00:26,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:26,503 INFO L93 Difference]: Finished difference Result 75 states and 111 transitions. [2020-07-28 19:00:26,503 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:00:26,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:26,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:26,504 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-28 19:00:26,504 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-28 19:00:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:26,507 INFO L93 Difference]: Finished difference Result 75 states and 111 transitions. [2020-07-28 19:00:26,508 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:00:26,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:26,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:26,509 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:26,509 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-28 19:00:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2020-07-28 19:00:26,513 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2020-07-28 19:00:26,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:26,513 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2020-07-28 19:00:26,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2020-07-28 19:00:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:00:26,514 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:26,515 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 19:00:26,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:00:26,515 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:26,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:26,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1212083136, now seen corresponding path program 1 times [2020-07-28 19:00:26,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:26,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141768603] [2020-07-28 19:00:26,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:26,617 INFO L280 TraceCheckUtils]: 0: Hoare triple {1874#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1874#true} is VALID [2020-07-28 19:00:26,617 INFO L280 TraceCheckUtils]: 1: Hoare triple {1874#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {1874#true} is VALID [2020-07-28 19:00:26,618 INFO L280 TraceCheckUtils]: 2: Hoare triple {1874#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {1876#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:00:26,619 INFO L280 TraceCheckUtils]: 3: Hoare triple {1876#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {1877#(= 1 ULTIMATE.start_main_~tmp~10)} is VALID [2020-07-28 19:00:26,619 INFO L280 TraceCheckUtils]: 4: Hoare triple {1877#(= 1 ULTIMATE.start_main_~tmp~10)} assume 0 != main_~tmp~10; {1874#true} is VALID [2020-07-28 19:00:26,619 INFO L280 TraceCheckUtils]: 5: Hoare triple {1874#true} ~methAndRunningLastTime~0 := 0; {1874#true} is VALID [2020-07-28 19:00:26,619 INFO L280 TraceCheckUtils]: 6: Hoare triple {1874#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1874#true} is VALID [2020-07-28 19:00:26,620 INFO L280 TraceCheckUtils]: 7: Hoare triple {1874#true} assume !false; {1874#true} is VALID [2020-07-28 19:00:26,620 INFO L280 TraceCheckUtils]: 8: Hoare triple {1874#true} assume test_~splverifierCounter~0 < 4; {1874#true} is VALID [2020-07-28 19:00:26,620 INFO L280 TraceCheckUtils]: 9: Hoare triple {1874#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {1874#true} is VALID [2020-07-28 19:00:26,620 INFO L280 TraceCheckUtils]: 10: Hoare triple {1874#true} assume !(0 != test_~tmp~9); {1874#true} is VALID [2020-07-28 19:00:26,621 INFO L280 TraceCheckUtils]: 11: Hoare triple {1874#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {1874#true} is VALID [2020-07-28 19:00:26,621 INFO L280 TraceCheckUtils]: 12: Hoare triple {1874#true} assume !(0 != test_~tmp___0~3); {1874#true} is VALID [2020-07-28 19:00:26,621 INFO L280 TraceCheckUtils]: 13: Hoare triple {1874#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {1874#true} is VALID [2020-07-28 19:00:26,624 INFO L280 TraceCheckUtils]: 14: Hoare triple {1874#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1878#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:00:26,627 INFO L280 TraceCheckUtils]: 15: Hoare triple {1878#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1878#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:00:26,628 INFO L280 TraceCheckUtils]: 16: Hoare triple {1878#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1875#false} is VALID [2020-07-28 19:00:26,629 INFO L280 TraceCheckUtils]: 17: Hoare triple {1875#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {1875#false} is VALID [2020-07-28 19:00:26,629 INFO L280 TraceCheckUtils]: 18: Hoare triple {1875#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {1875#false} is VALID [2020-07-28 19:00:26,629 INFO L280 TraceCheckUtils]: 19: Hoare triple {1875#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {1875#false} is VALID [2020-07-28 19:00:26,630 INFO L280 TraceCheckUtils]: 20: Hoare triple {1875#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {1875#false} is VALID [2020-07-28 19:00:26,630 INFO L280 TraceCheckUtils]: 21: Hoare triple {1875#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {1875#false} is VALID [2020-07-28 19:00:26,630 INFO L280 TraceCheckUtils]: 22: Hoare triple {1875#false} assume 0 != ~methAndRunningLastTime~0; {1875#false} is VALID [2020-07-28 19:00:26,631 INFO L280 TraceCheckUtils]: 23: Hoare triple {1875#false} assume !false; {1875#false} is VALID [2020-07-28 19:00:26,632 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 19:00:26,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141768603] [2020-07-28 19:00:26,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:26,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:00:26,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238085852] [2020-07-28 19:00:26,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:00:26,634 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:26,634 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:26,665 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 19:00:26,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:26,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:26,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:26,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:26,666 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand 5 states. [2020-07-28 19:00:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:27,236 INFO L93 Difference]: Finished difference Result 167 states and 251 transitions. [2020-07-28 19:00:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:00:27,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:00:27,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 251 transitions. [2020-07-28 19:00:27,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 251 transitions. [2020-07-28 19:00:27,245 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 251 transitions. [2020-07-28 19:00:27,604 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 251 edges. 251 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:27,606 INFO L225 Difference]: With dead ends: 167 [2020-07-28 19:00:27,606 INFO L226 Difference]: Without dead ends: 99 [2020-07-28 19:00:27,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:00:27,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-28 19:00:27,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-07-28 19:00:27,679 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:27,679 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 95 states. [2020-07-28 19:00:27,680 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 95 states. [2020-07-28 19:00:27,680 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 95 states. [2020-07-28 19:00:27,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:27,684 INFO L93 Difference]: Finished difference Result 99 states and 146 transitions. [2020-07-28 19:00:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2020-07-28 19:00:27,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:27,685 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:27,685 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand 99 states. [2020-07-28 19:00:27,686 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 99 states. [2020-07-28 19:00:27,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:27,690 INFO L93 Difference]: Finished difference Result 99 states and 146 transitions. [2020-07-28 19:00:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2020-07-28 19:00:27,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:27,691 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:27,691 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:27,691 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:27,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-28 19:00:27,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 142 transitions. [2020-07-28 19:00:27,695 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 142 transitions. Word has length 24 [2020-07-28 19:00:27,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:27,696 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 142 transitions. [2020-07-28 19:00:27,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2020-07-28 19:00:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:00:27,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:27,697 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] [2020-07-28 19:00:27,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:00:27,698 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:27,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:27,699 INFO L82 PathProgramCache]: Analyzing trace with hash 471692742, now seen corresponding path program 1 times [2020-07-28 19:00:27,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:27,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737445035] [2020-07-28 19:00:27,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:27,826 INFO L280 TraceCheckUtils]: 0: Hoare triple {2443#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,829 INFO L280 TraceCheckUtils]: 1: Hoare triple {2445#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,830 INFO L280 TraceCheckUtils]: 2: Hoare triple {2445#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,831 INFO L280 TraceCheckUtils]: 3: Hoare triple {2445#(= 0 ~pumpRunning~0)} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,832 INFO L280 TraceCheckUtils]: 4: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~10; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,833 INFO L280 TraceCheckUtils]: 5: Hoare triple {2445#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,833 INFO L280 TraceCheckUtils]: 6: Hoare triple {2445#(= 0 ~pumpRunning~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,834 INFO L280 TraceCheckUtils]: 7: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume !false; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,835 INFO L280 TraceCheckUtils]: 8: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,835 INFO L280 TraceCheckUtils]: 9: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,836 INFO L280 TraceCheckUtils]: 10: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~9); {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,837 INFO L280 TraceCheckUtils]: 11: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,838 INFO L280 TraceCheckUtils]: 12: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,839 INFO L280 TraceCheckUtils]: 13: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,839 INFO L280 TraceCheckUtils]: 14: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___1~0 := test_#t~nondet72;havoc test_#t~nondet72; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,840 INFO L280 TraceCheckUtils]: 15: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {2445#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:27,841 INFO L280 TraceCheckUtils]: 16: Hoare triple {2445#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0;~pumpRunning~0 := 0; {2444#false} is VALID [2020-07-28 19:00:27,841 INFO L280 TraceCheckUtils]: 17: Hoare triple {2444#false} ~systemActive~0 := 0; {2444#false} is VALID [2020-07-28 19:00:27,842 INFO L280 TraceCheckUtils]: 18: Hoare triple {2444#false} assume !(0 != ~pumpRunning~0); {2444#false} is VALID [2020-07-28 19:00:27,842 INFO L280 TraceCheckUtils]: 19: Hoare triple {2444#false} assume !(0 != ~systemActive~0); {2444#false} is VALID [2020-07-28 19:00:27,842 INFO L280 TraceCheckUtils]: 20: Hoare triple {2444#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {2444#false} is VALID [2020-07-28 19:00:27,842 INFO L280 TraceCheckUtils]: 21: Hoare triple {2444#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {2444#false} is VALID [2020-07-28 19:00:27,843 INFO L280 TraceCheckUtils]: 22: Hoare triple {2444#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {2444#false} is VALID [2020-07-28 19:00:27,843 INFO L280 TraceCheckUtils]: 23: Hoare triple {2444#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {2444#false} is VALID [2020-07-28 19:00:27,844 INFO L280 TraceCheckUtils]: 24: Hoare triple {2444#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {2444#false} is VALID [2020-07-28 19:00:27,844 INFO L280 TraceCheckUtils]: 25: Hoare triple {2444#false} assume 0 != ~methAndRunningLastTime~0; {2444#false} is VALID [2020-07-28 19:00:27,844 INFO L280 TraceCheckUtils]: 26: Hoare triple {2444#false} assume !false; {2444#false} is VALID [2020-07-28 19:00:27,846 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 19:00:27,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737445035] [2020-07-28 19:00:27,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:27,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:27,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49870274] [2020-07-28 19:00:27,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:00:27,849 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:27,849 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:27,887 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:27,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:27,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:27,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:27,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:27,888 INFO L87 Difference]: Start difference. First operand 95 states and 142 transitions. Second operand 3 states. [2020-07-28 19:00:28,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:28,203 INFO L93 Difference]: Finished difference Result 193 states and 291 transitions. [2020-07-28 19:00:28,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:28,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-07-28 19:00:28,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2020-07-28 19:00:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 231 transitions. [2020-07-28 19:00:28,210 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 231 transitions. [2020-07-28 19:00:28,479 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 231 edges. 231 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:28,482 INFO L225 Difference]: With dead ends: 193 [2020-07-28 19:00:28,482 INFO L226 Difference]: Without dead ends: 105 [2020-07-28 19:00:28,483 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 19:00:28,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-28 19:00:28,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2020-07-28 19:00:28,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:28,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 105 states. Second operand 103 states. [2020-07-28 19:00:28,603 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 103 states. [2020-07-28 19:00:28,603 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 103 states. [2020-07-28 19:00:28,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:28,609 INFO L93 Difference]: Finished difference Result 105 states and 149 transitions. [2020-07-28 19:00:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2020-07-28 19:00:28,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:28,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:28,610 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 105 states. [2020-07-28 19:00:28,611 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 105 states. [2020-07-28 19:00:28,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:28,620 INFO L93 Difference]: Finished difference Result 105 states and 149 transitions. [2020-07-28 19:00:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2020-07-28 19:00:28,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:28,621 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:28,621 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:28,622 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-28 19:00:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2020-07-28 19:00:28,626 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 27 [2020-07-28 19:00:28,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:28,626 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2020-07-28 19:00:28,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2020-07-28 19:00:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:00:28,630 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:28,631 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] [2020-07-28 19:00:28,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:00:28,632 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:28,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:28,633 INFO L82 PathProgramCache]: Analyzing trace with hash -624194039, now seen corresponding path program 1 times [2020-07-28 19:00:28,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:28,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497826936] [2020-07-28 19:00:28,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:28,780 INFO L280 TraceCheckUtils]: 0: Hoare triple {3063#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,781 INFO L280 TraceCheckUtils]: 1: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,784 INFO L280 TraceCheckUtils]: 2: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,785 INFO L280 TraceCheckUtils]: 3: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,787 INFO L280 TraceCheckUtils]: 4: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~10; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,788 INFO L280 TraceCheckUtils]: 5: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} ~methAndRunningLastTime~0 := 0; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,788 INFO L280 TraceCheckUtils]: 6: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,789 INFO L280 TraceCheckUtils]: 7: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume !false; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,790 INFO L280 TraceCheckUtils]: 8: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,790 INFO L280 TraceCheckUtils]: 9: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,791 INFO L280 TraceCheckUtils]: 10: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~9); {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,792 INFO L280 TraceCheckUtils]: 11: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,793 INFO L280 TraceCheckUtils]: 12: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~3); {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,793 INFO L280 TraceCheckUtils]: 13: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,794 INFO L280 TraceCheckUtils]: 14: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___1~0 := test_#t~nondet72;havoc test_#t~nondet72; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,795 INFO L280 TraceCheckUtils]: 15: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___1~0; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,795 INFO L280 TraceCheckUtils]: 16: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,796 INFO L280 TraceCheckUtils]: 17: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} ~systemActive~0 := 0; {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,796 INFO L280 TraceCheckUtils]: 18: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,801 INFO L280 TraceCheckUtils]: 19: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~systemActive~0); {3065#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:00:28,802 INFO L280 TraceCheckUtils]: 20: Hoare triple {3065#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {3066#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 19:00:28,803 INFO L280 TraceCheckUtils]: 21: Hoare triple {3066#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {3067#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)} is VALID [2020-07-28 19:00:28,804 INFO L280 TraceCheckUtils]: 22: Hoare triple {3067#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {3064#false} is VALID [2020-07-28 19:00:28,804 INFO L280 TraceCheckUtils]: 23: Hoare triple {3064#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {3064#false} is VALID [2020-07-28 19:00:28,804 INFO L280 TraceCheckUtils]: 24: Hoare triple {3064#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {3064#false} is VALID [2020-07-28 19:00:28,805 INFO L280 TraceCheckUtils]: 25: Hoare triple {3064#false} assume 0 != ~methAndRunningLastTime~0; {3064#false} is VALID [2020-07-28 19:00:28,805 INFO L280 TraceCheckUtils]: 26: Hoare triple {3064#false} assume !false; {3064#false} is VALID [2020-07-28 19:00:28,807 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 19:00:28,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497826936] [2020-07-28 19:00:28,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:28,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:00:28,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47529545] [2020-07-28 19:00:28,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:00:28,809 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:28,809 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:28,848 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:28,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:28,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:28,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:28,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:28,849 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand 5 states. [2020-07-28 19:00:30,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:30,188 INFO L93 Difference]: Finished difference Result 492 states and 716 transitions. [2020-07-28 19:00:30,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 19:00:30,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:00:30,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 455 transitions. [2020-07-28 19:00:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 455 transitions. [2020-07-28 19:00:30,197 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 455 transitions. [2020-07-28 19:00:30,750 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 455 edges. 455 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:30,765 INFO L225 Difference]: With dead ends: 492 [2020-07-28 19:00:30,765 INFO L226 Difference]: Without dead ends: 396 [2020-07-28 19:00:30,766 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 19:00:30,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2020-07-28 19:00:31,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 188. [2020-07-28 19:00:31,022 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:31,022 INFO L82 GeneralOperation]: Start isEquivalent. First operand 396 states. Second operand 188 states. [2020-07-28 19:00:31,023 INFO L74 IsIncluded]: Start isIncluded. First operand 396 states. Second operand 188 states. [2020-07-28 19:00:31,023 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 188 states. [2020-07-28 19:00:31,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:31,039 INFO L93 Difference]: Finished difference Result 396 states and 568 transitions. [2020-07-28 19:00:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 568 transitions. [2020-07-28 19:00:31,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:31,040 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:31,040 INFO L74 IsIncluded]: Start isIncluded. First operand 188 states. Second operand 396 states. [2020-07-28 19:00:31,040 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 396 states. [2020-07-28 19:00:31,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:31,058 INFO L93 Difference]: Finished difference Result 396 states and 568 transitions. [2020-07-28 19:00:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 568 transitions. [2020-07-28 19:00:31,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:31,059 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:31,059 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:31,060 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:31,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-28 19:00:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2020-07-28 19:00:31,066 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 27 [2020-07-28 19:00:31,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:31,067 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2020-07-28 19:00:31,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2020-07-28 19:00:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:00:31,068 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:31,069 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] [2020-07-28 19:00:31,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:00:31,069 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:31,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:31,070 INFO L82 PathProgramCache]: Analyzing trace with hash -2058339199, now seen corresponding path program 1 times [2020-07-28 19:00:31,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:31,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294990446] [2020-07-28 19:00:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:31,158 INFO L280 TraceCheckUtils]: 0: Hoare triple {4813#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {4815#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,159 INFO L280 TraceCheckUtils]: 2: Hoare triple {4815#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,160 INFO L280 TraceCheckUtils]: 3: Hoare triple {4815#(= 0 ~pumpRunning~0)} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,160 INFO L280 TraceCheckUtils]: 4: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~10; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,163 INFO L280 TraceCheckUtils]: 5: Hoare triple {4815#(= 0 ~pumpRunning~0)} ~methAndRunningLastTime~0 := 0; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,163 INFO L280 TraceCheckUtils]: 6: Hoare triple {4815#(= 0 ~pumpRunning~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,164 INFO L280 TraceCheckUtils]: 7: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume !false; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,171 INFO L280 TraceCheckUtils]: 8: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,174 INFO L280 TraceCheckUtils]: 9: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,175 INFO L280 TraceCheckUtils]: 10: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~9); {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,176 INFO L280 TraceCheckUtils]: 11: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,176 INFO L280 TraceCheckUtils]: 12: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~3; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,177 INFO L280 TraceCheckUtils]: 13: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,178 INFO L280 TraceCheckUtils]: 14: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,178 INFO L280 TraceCheckUtils]: 15: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___1~0 := test_#t~nondet72;havoc test_#t~nondet72; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,179 INFO L280 TraceCheckUtils]: 16: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,179 INFO L280 TraceCheckUtils]: 17: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,180 INFO L280 TraceCheckUtils]: 18: Hoare triple {4815#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,180 INFO L280 TraceCheckUtils]: 19: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,181 INFO L280 TraceCheckUtils]: 20: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,181 INFO L280 TraceCheckUtils]: 21: Hoare triple {4815#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,182 INFO L280 TraceCheckUtils]: 22: Hoare triple {4815#(= 0 ~pumpRunning~0)} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {4815#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:00:31,183 INFO L280 TraceCheckUtils]: 23: Hoare triple {4815#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {4816#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:00:31,183 INFO L280 TraceCheckUtils]: 24: Hoare triple {4816#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {4817#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} is VALID [2020-07-28 19:00:31,184 INFO L280 TraceCheckUtils]: 25: Hoare triple {4817#(= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp___0~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {4814#false} is VALID [2020-07-28 19:00:31,184 INFO L280 TraceCheckUtils]: 26: Hoare triple {4814#false} assume 0 != ~methAndRunningLastTime~0; {4814#false} is VALID [2020-07-28 19:00:31,184 INFO L280 TraceCheckUtils]: 27: Hoare triple {4814#false} assume !false; {4814#false} is VALID [2020-07-28 19:00:31,186 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 19:00:31,186 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294990446] [2020-07-28 19:00:31,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:31,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:00:31,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728739405] [2020-07-28 19:00:31,187 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-07-28 19:00:31,187 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:31,187 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:31,223 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:31,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:31,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:31,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:31,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:31,225 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand 5 states. [2020-07-28 19:00:32,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:32,797 INFO L93 Difference]: Finished difference Result 703 states and 1003 transitions. [2020-07-28 19:00:32,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:00:32,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-07-28 19:00:32,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:32,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 417 transitions. [2020-07-28 19:00:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 417 transitions. [2020-07-28 19:00:32,804 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 417 transitions. [2020-07-28 19:00:33,242 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 417 edges. 417 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:33,266 INFO L225 Difference]: With dead ends: 703 [2020-07-28 19:00:33,266 INFO L226 Difference]: Without dead ends: 522 [2020-07-28 19:00:33,267 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 19:00:33,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2020-07-28 19:00:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 186. [2020-07-28 19:00:33,588 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:33,589 INFO L82 GeneralOperation]: Start isEquivalent. First operand 522 states. Second operand 186 states. [2020-07-28 19:00:33,589 INFO L74 IsIncluded]: Start isIncluded. First operand 522 states. Second operand 186 states. [2020-07-28 19:00:33,589 INFO L87 Difference]: Start difference. First operand 522 states. Second operand 186 states. [2020-07-28 19:00:33,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:33,609 INFO L93 Difference]: Finished difference Result 522 states and 741 transitions. [2020-07-28 19:00:33,609 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 741 transitions. [2020-07-28 19:00:33,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:33,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:33,611 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand 522 states. [2020-07-28 19:00:33,611 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 522 states. [2020-07-28 19:00:33,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:33,630 INFO L93 Difference]: Finished difference Result 522 states and 741 transitions. [2020-07-28 19:00:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 741 transitions. [2020-07-28 19:00:33,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:33,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:33,632 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:33,632 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-07-28 19:00:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 261 transitions. [2020-07-28 19:00:33,638 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 261 transitions. Word has length 28 [2020-07-28 19:00:33,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:33,638 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 261 transitions. [2020-07-28 19:00:33,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 261 transitions. [2020-07-28 19:00:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 19:00:33,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:33,643 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 19:00:33,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:00:33,643 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:33,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:33,644 INFO L82 PathProgramCache]: Analyzing trace with hash 952156187, now seen corresponding path program 1 times [2020-07-28 19:00:33,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:33,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314764624] [2020-07-28 19:00:33,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:33,739 INFO L280 TraceCheckUtils]: 0: Hoare triple {7104#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {7104#true} is VALID [2020-07-28 19:00:33,739 INFO L280 TraceCheckUtils]: 1: Hoare triple {7104#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {7104#true} is VALID [2020-07-28 19:00:33,739 INFO L280 TraceCheckUtils]: 2: Hoare triple {7104#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {7104#true} is VALID [2020-07-28 19:00:33,740 INFO L280 TraceCheckUtils]: 3: Hoare triple {7104#true} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {7104#true} is VALID [2020-07-28 19:00:33,740 INFO L280 TraceCheckUtils]: 4: Hoare triple {7104#true} assume 0 != main_~tmp~10; {7104#true} is VALID [2020-07-28 19:00:33,740 INFO L280 TraceCheckUtils]: 5: Hoare triple {7104#true} ~methAndRunningLastTime~0 := 0; {7104#true} is VALID [2020-07-28 19:00:33,740 INFO L280 TraceCheckUtils]: 6: Hoare triple {7104#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7104#true} is VALID [2020-07-28 19:00:33,740 INFO L280 TraceCheckUtils]: 7: Hoare triple {7104#true} assume !false; {7104#true} is VALID [2020-07-28 19:00:33,741 INFO L280 TraceCheckUtils]: 8: Hoare triple {7104#true} assume test_~splverifierCounter~0 < 4; {7104#true} is VALID [2020-07-28 19:00:33,741 INFO L280 TraceCheckUtils]: 9: Hoare triple {7104#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {7104#true} is VALID [2020-07-28 19:00:33,741 INFO L280 TraceCheckUtils]: 10: Hoare triple {7104#true} assume !(0 != test_~tmp~9); {7104#true} is VALID [2020-07-28 19:00:33,741 INFO L280 TraceCheckUtils]: 11: Hoare triple {7104#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {7104#true} is VALID [2020-07-28 19:00:33,742 INFO L280 TraceCheckUtils]: 12: Hoare triple {7104#true} assume 0 != test_~tmp___0~3; {7104#true} is VALID [2020-07-28 19:00:33,742 INFO L280 TraceCheckUtils]: 13: Hoare triple {7104#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {7104#true} is VALID [2020-07-28 19:00:33,742 INFO L280 TraceCheckUtils]: 14: Hoare triple {7104#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {7104#true} is VALID [2020-07-28 19:00:33,742 INFO L280 TraceCheckUtils]: 15: Hoare triple {7104#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7104#true} is VALID [2020-07-28 19:00:33,742 INFO L280 TraceCheckUtils]: 16: Hoare triple {7104#true} assume !(0 != ~pumpRunning~0); {7104#true} is VALID [2020-07-28 19:00:33,743 INFO L280 TraceCheckUtils]: 17: Hoare triple {7104#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {7104#true} is VALID [2020-07-28 19:00:33,743 INFO L280 TraceCheckUtils]: 18: Hoare triple {7104#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {7104#true} is VALID [2020-07-28 19:00:33,743 INFO L280 TraceCheckUtils]: 19: Hoare triple {7104#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {7104#true} is VALID [2020-07-28 19:00:33,743 INFO L280 TraceCheckUtils]: 20: Hoare triple {7104#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {7104#true} is VALID [2020-07-28 19:00:33,744 INFO L280 TraceCheckUtils]: 21: Hoare triple {7104#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {7104#true} is VALID [2020-07-28 19:00:33,744 INFO L280 TraceCheckUtils]: 22: Hoare triple {7104#true} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {7104#true} is VALID [2020-07-28 19:00:33,745 INFO L280 TraceCheckUtils]: 23: Hoare triple {7104#true} assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; {7106#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:00:33,745 INFO L280 TraceCheckUtils]: 24: Hoare triple {7106#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {7107#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:00:33,746 INFO L280 TraceCheckUtils]: 25: Hoare triple {7107#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {7108#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)} is VALID [2020-07-28 19:00:33,747 INFO L280 TraceCheckUtils]: 26: Hoare triple {7108#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {7105#false} is VALID [2020-07-28 19:00:33,748 INFO L280 TraceCheckUtils]: 27: Hoare triple {7105#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {7105#false} is VALID [2020-07-28 19:00:33,748 INFO L280 TraceCheckUtils]: 28: Hoare triple {7105#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {7105#false} is VALID [2020-07-28 19:00:33,748 INFO L280 TraceCheckUtils]: 29: Hoare triple {7105#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {7105#false} is VALID [2020-07-28 19:00:33,748 INFO L280 TraceCheckUtils]: 30: Hoare triple {7105#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {7105#false} is VALID [2020-07-28 19:00:33,748 INFO L280 TraceCheckUtils]: 31: Hoare triple {7105#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {7105#false} is VALID [2020-07-28 19:00:33,749 INFO L280 TraceCheckUtils]: 32: Hoare triple {7105#false} assume 0 != ~methAndRunningLastTime~0; {7105#false} is VALID [2020-07-28 19:00:33,749 INFO L280 TraceCheckUtils]: 33: Hoare triple {7105#false} assume !false; {7105#false} is VALID [2020-07-28 19:00:33,750 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 19:00:33,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314764624] [2020-07-28 19:00:33,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:33,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:00:33,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719544548] [2020-07-28 19:00:33,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 19:00:33,752 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:33,752 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:33,792 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 19:00:33,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:33,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:33,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:33,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:33,793 INFO L87 Difference]: Start difference. First operand 186 states and 261 transitions. Second operand 5 states. [2020-07-28 19:00:35,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:35,099 INFO L93 Difference]: Finished difference Result 537 states and 745 transitions. [2020-07-28 19:00:35,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:00:35,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 19:00:35,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:35,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 246 transitions. [2020-07-28 19:00:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:35,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 246 transitions. [2020-07-28 19:00:35,106 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 246 transitions. [2020-07-28 19:00:35,341 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 246 edges. 246 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:35,353 INFO L225 Difference]: With dead ends: 537 [2020-07-28 19:00:35,353 INFO L226 Difference]: Without dead ends: 358 [2020-07-28 19:00:35,354 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 19:00:35,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-07-28 19:00:35,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 204. [2020-07-28 19:00:35,773 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:35,773 INFO L82 GeneralOperation]: Start isEquivalent. First operand 358 states. Second operand 204 states. [2020-07-28 19:00:35,774 INFO L74 IsIncluded]: Start isIncluded. First operand 358 states. Second operand 204 states. [2020-07-28 19:00:35,774 INFO L87 Difference]: Start difference. First operand 358 states. Second operand 204 states. [2020-07-28 19:00:35,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:35,794 INFO L93 Difference]: Finished difference Result 358 states and 485 transitions. [2020-07-28 19:00:35,795 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 485 transitions. [2020-07-28 19:00:35,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:35,796 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:35,796 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 358 states. [2020-07-28 19:00:35,796 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 358 states. [2020-07-28 19:00:35,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:35,816 INFO L93 Difference]: Finished difference Result 358 states and 485 transitions. [2020-07-28 19:00:35,816 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 485 transitions. [2020-07-28 19:00:35,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:35,818 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:35,818 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:35,819 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-28 19:00:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 279 transitions. [2020-07-28 19:00:35,827 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 279 transitions. Word has length 34 [2020-07-28 19:00:35,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:35,827 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 279 transitions. [2020-07-28 19:00:35,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 279 transitions. [2020-07-28 19:00:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 19:00:35,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:35,829 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 19:00:35,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:00:35,829 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:35,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:35,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1653220765, now seen corresponding path program 1 times [2020-07-28 19:00:35,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:35,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379747408] [2020-07-28 19:00:35,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:35,932 INFO L280 TraceCheckUtils]: 0: Hoare triple {8859#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {8859#true} is VALID [2020-07-28 19:00:35,932 INFO L280 TraceCheckUtils]: 1: Hoare triple {8859#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {8859#true} is VALID [2020-07-28 19:00:35,932 INFO L280 TraceCheckUtils]: 2: Hoare triple {8859#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {8859#true} is VALID [2020-07-28 19:00:35,933 INFO L280 TraceCheckUtils]: 3: Hoare triple {8859#true} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {8859#true} is VALID [2020-07-28 19:00:35,933 INFO L280 TraceCheckUtils]: 4: Hoare triple {8859#true} assume 0 != main_~tmp~10; {8859#true} is VALID [2020-07-28 19:00:35,933 INFO L280 TraceCheckUtils]: 5: Hoare triple {8859#true} ~methAndRunningLastTime~0 := 0; {8859#true} is VALID [2020-07-28 19:00:35,934 INFO L280 TraceCheckUtils]: 6: Hoare triple {8859#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8859#true} is VALID [2020-07-28 19:00:35,934 INFO L280 TraceCheckUtils]: 7: Hoare triple {8859#true} assume !false; {8859#true} is VALID [2020-07-28 19:00:35,934 INFO L280 TraceCheckUtils]: 8: Hoare triple {8859#true} assume test_~splverifierCounter~0 < 4; {8859#true} is VALID [2020-07-28 19:00:35,934 INFO L280 TraceCheckUtils]: 9: Hoare triple {8859#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {8859#true} is VALID [2020-07-28 19:00:35,935 INFO L280 TraceCheckUtils]: 10: Hoare triple {8859#true} assume !(0 != test_~tmp~9); {8859#true} is VALID [2020-07-28 19:00:35,935 INFO L280 TraceCheckUtils]: 11: Hoare triple {8859#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {8859#true} is VALID [2020-07-28 19:00:35,935 INFO L280 TraceCheckUtils]: 12: Hoare triple {8859#true} assume 0 != test_~tmp___0~3; {8859#true} is VALID [2020-07-28 19:00:35,936 INFO L280 TraceCheckUtils]: 13: Hoare triple {8859#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {8859#true} is VALID [2020-07-28 19:00:35,936 INFO L280 TraceCheckUtils]: 14: Hoare triple {8859#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {8859#true} is VALID [2020-07-28 19:00:35,942 INFO L280 TraceCheckUtils]: 15: Hoare triple {8859#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {8859#true} is VALID [2020-07-28 19:00:35,943 INFO L280 TraceCheckUtils]: 16: Hoare triple {8859#true} assume !(0 != ~pumpRunning~0); {8859#true} is VALID [2020-07-28 19:00:35,943 INFO L280 TraceCheckUtils]: 17: Hoare triple {8859#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {8859#true} is VALID [2020-07-28 19:00:35,943 INFO L280 TraceCheckUtils]: 18: Hoare triple {8859#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {8859#true} is VALID [2020-07-28 19:00:35,944 INFO L280 TraceCheckUtils]: 19: Hoare triple {8859#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {8859#true} is VALID [2020-07-28 19:00:35,944 INFO L280 TraceCheckUtils]: 20: Hoare triple {8859#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {8859#true} is VALID [2020-07-28 19:00:35,945 INFO L280 TraceCheckUtils]: 21: Hoare triple {8859#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {8861#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:00:35,946 INFO L280 TraceCheckUtils]: 22: Hoare triple {8861#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {8862#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~7)} is VALID [2020-07-28 19:00:35,947 INFO L280 TraceCheckUtils]: 23: Hoare triple {8862#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~7)} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {8860#false} is VALID [2020-07-28 19:00:35,947 INFO L280 TraceCheckUtils]: 24: Hoare triple {8860#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {8860#false} is VALID [2020-07-28 19:00:35,948 INFO L280 TraceCheckUtils]: 25: Hoare triple {8860#false} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {8860#false} is VALID [2020-07-28 19:00:35,948 INFO L280 TraceCheckUtils]: 26: Hoare triple {8860#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {8860#false} is VALID [2020-07-28 19:00:35,948 INFO L280 TraceCheckUtils]: 27: Hoare triple {8860#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {8860#false} is VALID [2020-07-28 19:00:35,948 INFO L280 TraceCheckUtils]: 28: Hoare triple {8860#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {8860#false} is VALID [2020-07-28 19:00:35,949 INFO L280 TraceCheckUtils]: 29: Hoare triple {8860#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {8860#false} is VALID [2020-07-28 19:00:35,949 INFO L280 TraceCheckUtils]: 30: Hoare triple {8860#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {8860#false} is VALID [2020-07-28 19:00:35,951 INFO L280 TraceCheckUtils]: 31: Hoare triple {8860#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {8860#false} is VALID [2020-07-28 19:00:35,951 INFO L280 TraceCheckUtils]: 32: Hoare triple {8860#false} assume 0 != ~methAndRunningLastTime~0; {8860#false} is VALID [2020-07-28 19:00:35,952 INFO L280 TraceCheckUtils]: 33: Hoare triple {8860#false} assume !false; {8860#false} is VALID [2020-07-28 19:00:35,955 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 19:00:35,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379747408] [2020-07-28 19:00:35,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:35,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:00:35,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779329139] [2020-07-28 19:00:35,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-28 19:00:35,957 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:35,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:00:36,004 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 19:00:36,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:00:36,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:36,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:00:36,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:00:36,005 INFO L87 Difference]: Start difference. First operand 204 states and 279 transitions. Second operand 4 states. [2020-07-28 19:00:37,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:37,208 INFO L93 Difference]: Finished difference Result 509 states and 691 transitions. [2020-07-28 19:00:37,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:00:37,208 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-28 19:00:37,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:00:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 222 transitions. [2020-07-28 19:00:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:00:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 222 transitions. [2020-07-28 19:00:37,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 222 transitions. [2020-07-28 19:00:37,471 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:37,481 INFO L225 Difference]: With dead ends: 509 [2020-07-28 19:00:37,481 INFO L226 Difference]: Without dead ends: 312 [2020-07-28 19:00:37,482 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 19:00:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-07-28 19:00:37,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 216. [2020-07-28 19:00:37,885 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:37,885 INFO L82 GeneralOperation]: Start isEquivalent. First operand 312 states. Second operand 216 states. [2020-07-28 19:00:37,885 INFO L74 IsIncluded]: Start isIncluded. First operand 312 states. Second operand 216 states. [2020-07-28 19:00:37,886 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 216 states. [2020-07-28 19:00:37,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:37,895 INFO L93 Difference]: Finished difference Result 312 states and 413 transitions. [2020-07-28 19:00:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 413 transitions. [2020-07-28 19:00:37,896 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:37,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:37,897 INFO L74 IsIncluded]: Start isIncluded. First operand 216 states. Second operand 312 states. [2020-07-28 19:00:37,897 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 312 states. [2020-07-28 19:00:37,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:37,905 INFO L93 Difference]: Finished difference Result 312 states and 413 transitions. [2020-07-28 19:00:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 413 transitions. [2020-07-28 19:00:37,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:37,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:37,906 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:37,906 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-28 19:00:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2020-07-28 19:00:37,912 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 291 transitions. Word has length 34 [2020-07-28 19:00:37,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:37,912 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 291 transitions. [2020-07-28 19:00:37,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:00:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2020-07-28 19:00:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 19:00:37,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:37,913 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 19:00:37,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:00:37,914 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:37,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1066414751, now seen corresponding path program 1 times [2020-07-28 19:00:37,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:37,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733147174] [2020-07-28 19:00:37,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:37,982 INFO L280 TraceCheckUtils]: 0: Hoare triple {10494#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,984 INFO L280 TraceCheckUtils]: 1: Hoare triple {10496#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,986 INFO L280 TraceCheckUtils]: 2: Hoare triple {10496#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,987 INFO L280 TraceCheckUtils]: 3: Hoare triple {10496#(= 1 ~waterLevel~0)} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,989 INFO L280 TraceCheckUtils]: 4: Hoare triple {10496#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~10; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {10496#(= 1 ~waterLevel~0)} ~methAndRunningLastTime~0 := 0; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,993 INFO L280 TraceCheckUtils]: 6: Hoare triple {10496#(= 1 ~waterLevel~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,994 INFO L280 TraceCheckUtils]: 7: Hoare triple {10496#(= 1 ~waterLevel~0)} assume !false; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,995 INFO L280 TraceCheckUtils]: 8: Hoare triple {10496#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,996 INFO L280 TraceCheckUtils]: 9: Hoare triple {10496#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,996 INFO L280 TraceCheckUtils]: 10: Hoare triple {10496#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~9); {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,997 INFO L280 TraceCheckUtils]: 11: Hoare triple {10496#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,997 INFO L280 TraceCheckUtils]: 12: Hoare triple {10496#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~3; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,998 INFO L280 TraceCheckUtils]: 13: Hoare triple {10496#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,998 INFO L280 TraceCheckUtils]: 14: Hoare triple {10496#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,999 INFO L280 TraceCheckUtils]: 15: Hoare triple {10496#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:37,999 INFO L280 TraceCheckUtils]: 16: Hoare triple {10496#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:38,000 INFO L280 TraceCheckUtils]: 17: Hoare triple {10496#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:38,000 INFO L280 TraceCheckUtils]: 18: Hoare triple {10496#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:38,001 INFO L280 TraceCheckUtils]: 19: Hoare triple {10496#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:38,002 INFO L280 TraceCheckUtils]: 20: Hoare triple {10496#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {10496#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:00:38,002 INFO L280 TraceCheckUtils]: 21: Hoare triple {10496#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {10495#false} is VALID [2020-07-28 19:00:38,003 INFO L280 TraceCheckUtils]: 22: Hoare triple {10495#false} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {10495#false} is VALID [2020-07-28 19:00:38,003 INFO L280 TraceCheckUtils]: 23: Hoare triple {10495#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {10495#false} is VALID [2020-07-28 19:00:38,003 INFO L280 TraceCheckUtils]: 24: Hoare triple {10495#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {10495#false} is VALID [2020-07-28 19:00:38,003 INFO L280 TraceCheckUtils]: 25: Hoare triple {10495#false} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {10495#false} is VALID [2020-07-28 19:00:38,004 INFO L280 TraceCheckUtils]: 26: Hoare triple {10495#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {10495#false} is VALID [2020-07-28 19:00:38,004 INFO L280 TraceCheckUtils]: 27: Hoare triple {10495#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {10495#false} is VALID [2020-07-28 19:00:38,004 INFO L280 TraceCheckUtils]: 28: Hoare triple {10495#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {10495#false} is VALID [2020-07-28 19:00:38,004 INFO L280 TraceCheckUtils]: 29: Hoare triple {10495#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {10495#false} is VALID [2020-07-28 19:00:38,005 INFO L280 TraceCheckUtils]: 30: Hoare triple {10495#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {10495#false} is VALID [2020-07-28 19:00:38,005 INFO L280 TraceCheckUtils]: 31: Hoare triple {10495#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {10495#false} is VALID [2020-07-28 19:00:38,005 INFO L280 TraceCheckUtils]: 32: Hoare triple {10495#false} assume 0 != ~methAndRunningLastTime~0; {10495#false} is VALID [2020-07-28 19:00:38,005 INFO L280 TraceCheckUtils]: 33: Hoare triple {10495#false} assume !false; {10495#false} is VALID [2020-07-28 19:00:38,007 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 19:00:38,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733147174] [2020-07-28 19:00:38,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:38,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:00:38,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104570076] [2020-07-28 19:00:38,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 19:00:38,008 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:38,009 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:38,050 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 19:00:38,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:38,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:38,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:38,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:38,051 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. Second operand 3 states. [2020-07-28 19:00:38,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:38,902 INFO L93 Difference]: Finished difference Result 515 states and 693 transitions. [2020-07-28 19:00:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:38,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 19:00:38,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2020-07-28 19:00:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2020-07-28 19:00:38,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 211 transitions. [2020-07-28 19:00:39,145 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 211 edges. 211 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:39,154 INFO L225 Difference]: With dead ends: 515 [2020-07-28 19:00:39,154 INFO L226 Difference]: Without dead ends: 306 [2020-07-28 19:00:39,155 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 19:00:39,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-07-28 19:00:39,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-07-28 19:00:39,854 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:39,854 INFO L82 GeneralOperation]: Start isEquivalent. First operand 306 states. Second operand 306 states. [2020-07-28 19:00:39,855 INFO L74 IsIncluded]: Start isIncluded. First operand 306 states. Second operand 306 states. [2020-07-28 19:00:39,855 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 306 states. [2020-07-28 19:00:39,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:39,863 INFO L93 Difference]: Finished difference Result 306 states and 403 transitions. [2020-07-28 19:00:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 403 transitions. [2020-07-28 19:00:39,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:39,864 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:39,865 INFO L74 IsIncluded]: Start isIncluded. First operand 306 states. Second operand 306 states. [2020-07-28 19:00:39,865 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 306 states. [2020-07-28 19:00:39,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:39,873 INFO L93 Difference]: Finished difference Result 306 states and 403 transitions. [2020-07-28 19:00:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 403 transitions. [2020-07-28 19:00:39,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:39,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:39,874 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:39,874 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-07-28 19:00:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 403 transitions. [2020-07-28 19:00:39,884 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 403 transitions. Word has length 34 [2020-07-28 19:00:39,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:39,884 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 403 transitions. [2020-07-28 19:00:39,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 403 transitions. [2020-07-28 19:00:39,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 19:00:39,885 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:39,885 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 19:00:39,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:00:39,886 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:39,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:39,886 INFO L82 PathProgramCache]: Analyzing trace with hash -329531425, now seen corresponding path program 1 times [2020-07-28 19:00:39,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:39,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209545656] [2020-07-28 19:00:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:39,943 INFO L280 TraceCheckUtils]: 0: Hoare triple {12249#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {12249#true} is VALID [2020-07-28 19:00:39,943 INFO L280 TraceCheckUtils]: 1: Hoare triple {12249#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {12249#true} is VALID [2020-07-28 19:00:39,944 INFO L280 TraceCheckUtils]: 2: Hoare triple {12249#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {12249#true} is VALID [2020-07-28 19:00:39,944 INFO L280 TraceCheckUtils]: 3: Hoare triple {12249#true} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {12249#true} is VALID [2020-07-28 19:00:39,944 INFO L280 TraceCheckUtils]: 4: Hoare triple {12249#true} assume 0 != main_~tmp~10; {12249#true} is VALID [2020-07-28 19:00:39,949 INFO L280 TraceCheckUtils]: 5: Hoare triple {12249#true} ~methAndRunningLastTime~0 := 0; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,951 INFO L280 TraceCheckUtils]: 6: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,952 INFO L280 TraceCheckUtils]: 7: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume !false; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,954 INFO L280 TraceCheckUtils]: 8: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume test_~splverifierCounter~0 < 4; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,955 INFO L280 TraceCheckUtils]: 9: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,959 INFO L280 TraceCheckUtils]: 10: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp~9; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,961 INFO L280 TraceCheckUtils]: 11: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,961 INFO L280 TraceCheckUtils]: 12: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,962 INFO L280 TraceCheckUtils]: 13: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp___0~3; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,962 INFO L280 TraceCheckUtils]: 14: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,963 INFO L280 TraceCheckUtils]: 15: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,964 INFO L280 TraceCheckUtils]: 16: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,964 INFO L280 TraceCheckUtils]: 17: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0); {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,965 INFO L280 TraceCheckUtils]: 18: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,989 INFO L280 TraceCheckUtils]: 19: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,991 INFO L280 TraceCheckUtils]: 20: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,992 INFO L280 TraceCheckUtils]: 21: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,992 INFO L280 TraceCheckUtils]: 22: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,993 INFO L280 TraceCheckUtils]: 23: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,993 INFO L280 TraceCheckUtils]: 24: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:39,997 INFO L280 TraceCheckUtils]: 25: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:40,001 INFO L280 TraceCheckUtils]: 26: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:40,004 INFO L280 TraceCheckUtils]: 27: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:40,004 INFO L280 TraceCheckUtils]: 28: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:40,005 INFO L280 TraceCheckUtils]: 29: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:40,006 INFO L280 TraceCheckUtils]: 30: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:40,006 INFO L280 TraceCheckUtils]: 31: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:40,007 INFO L280 TraceCheckUtils]: 32: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {12251#(= 0 ~methAndRunningLastTime~0)} is VALID [2020-07-28 19:00:40,007 INFO L280 TraceCheckUtils]: 33: Hoare triple {12251#(= 0 ~methAndRunningLastTime~0)} assume 0 != ~methAndRunningLastTime~0; {12250#false} is VALID [2020-07-28 19:00:40,008 INFO L280 TraceCheckUtils]: 34: Hoare triple {12250#false} assume !false; {12250#false} is VALID [2020-07-28 19:00:40,009 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 19:00:40,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209545656] [2020-07-28 19:00:40,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:40,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:00:40,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515538345] [2020-07-28 19:00:40,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-28 19:00:40,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:40,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:40,056 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 19:00:40,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:40,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:40,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:40,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:40,056 INFO L87 Difference]: Start difference. First operand 306 states and 403 transitions. Second operand 3 states. [2020-07-28 19:00:41,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:41,267 INFO L93 Difference]: Finished difference Result 459 states and 606 transitions. [2020-07-28 19:00:41,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:41,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-07-28 19:00:41,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2020-07-28 19:00:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 173 transitions. [2020-07-28 19:00:41,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 173 transitions. [2020-07-28 19:00:41,478 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 173 edges. 173 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:41,491 INFO L225 Difference]: With dead ends: 459 [2020-07-28 19:00:41,491 INFO L226 Difference]: Without dead ends: 457 [2020-07-28 19:00:41,492 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 19:00:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-07-28 19:00:42,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 364. [2020-07-28 19:00:42,326 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:42,326 INFO L82 GeneralOperation]: Start isEquivalent. First operand 457 states. Second operand 364 states. [2020-07-28 19:00:42,326 INFO L74 IsIncluded]: Start isIncluded. First operand 457 states. Second operand 364 states. [2020-07-28 19:00:42,326 INFO L87 Difference]: Start difference. First operand 457 states. Second operand 364 states. [2020-07-28 19:00:42,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:42,341 INFO L93 Difference]: Finished difference Result 457 states and 604 transitions. [2020-07-28 19:00:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 604 transitions. [2020-07-28 19:00:42,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:42,343 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:42,343 INFO L74 IsIncluded]: Start isIncluded. First operand 364 states. Second operand 457 states. [2020-07-28 19:00:42,343 INFO L87 Difference]: Start difference. First operand 364 states. Second operand 457 states. [2020-07-28 19:00:42,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:42,359 INFO L93 Difference]: Finished difference Result 457 states and 604 transitions. [2020-07-28 19:00:42,359 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 604 transitions. [2020-07-28 19:00:42,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:42,360 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:42,360 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:42,360 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-07-28 19:00:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 488 transitions. [2020-07-28 19:00:42,373 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 488 transitions. Word has length 35 [2020-07-28 19:00:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:42,373 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 488 transitions. [2020-07-28 19:00:42,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 488 transitions. [2020-07-28 19:00:42,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-28 19:00:42,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:42,376 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-28 19:00:42,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:00:42,376 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:42,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:42,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1979064958, now seen corresponding path program 1 times [2020-07-28 19:00:42,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:42,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041512216] [2020-07-28 19:00:42,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:42,480 INFO L280 TraceCheckUtils]: 0: Hoare triple {14314#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {14314#true} is VALID [2020-07-28 19:00:42,480 INFO L280 TraceCheckUtils]: 1: Hoare triple {14314#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {14314#true} is VALID [2020-07-28 19:00:42,481 INFO L280 TraceCheckUtils]: 2: Hoare triple {14314#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {14316#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:00:42,482 INFO L280 TraceCheckUtils]: 3: Hoare triple {14316#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {14317#(= 1 ULTIMATE.start_main_~tmp~10)} is VALID [2020-07-28 19:00:42,482 INFO L280 TraceCheckUtils]: 4: Hoare triple {14317#(= 1 ULTIMATE.start_main_~tmp~10)} assume 0 != main_~tmp~10; {14314#true} is VALID [2020-07-28 19:00:42,482 INFO L280 TraceCheckUtils]: 5: Hoare triple {14314#true} ~methAndRunningLastTime~0 := 0; {14314#true} is VALID [2020-07-28 19:00:42,483 INFO L280 TraceCheckUtils]: 6: Hoare triple {14314#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14314#true} is VALID [2020-07-28 19:00:42,483 INFO L280 TraceCheckUtils]: 7: Hoare triple {14314#true} assume !false; {14314#true} is VALID [2020-07-28 19:00:42,483 INFO L280 TraceCheckUtils]: 8: Hoare triple {14314#true} assume test_~splverifierCounter~0 < 4; {14314#true} is VALID [2020-07-28 19:00:42,483 INFO L280 TraceCheckUtils]: 9: Hoare triple {14314#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {14314#true} is VALID [2020-07-28 19:00:42,484 INFO L280 TraceCheckUtils]: 10: Hoare triple {14314#true} assume 0 != test_~tmp~9; {14314#true} is VALID [2020-07-28 19:00:42,484 INFO L280 TraceCheckUtils]: 11: Hoare triple {14314#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14314#true} is VALID [2020-07-28 19:00:42,484 INFO L280 TraceCheckUtils]: 12: Hoare triple {14314#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {14314#true} is VALID [2020-07-28 19:00:42,484 INFO L280 TraceCheckUtils]: 13: Hoare triple {14314#true} assume 0 != test_~tmp___0~3; {14314#true} is VALID [2020-07-28 19:00:42,484 INFO L280 TraceCheckUtils]: 14: Hoare triple {14314#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {14314#true} is VALID [2020-07-28 19:00:42,485 INFO L280 TraceCheckUtils]: 15: Hoare triple {14314#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {14314#true} is VALID [2020-07-28 19:00:42,485 INFO L280 TraceCheckUtils]: 16: Hoare triple {14314#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14314#true} is VALID [2020-07-28 19:00:42,485 INFO L280 TraceCheckUtils]: 17: Hoare triple {14314#true} assume !(0 != ~pumpRunning~0); {14314#true} is VALID [2020-07-28 19:00:42,485 INFO L280 TraceCheckUtils]: 18: Hoare triple {14314#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14314#true} is VALID [2020-07-28 19:00:42,485 INFO L280 TraceCheckUtils]: 19: Hoare triple {14314#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {14314#true} is VALID [2020-07-28 19:00:42,485 INFO L280 TraceCheckUtils]: 20: Hoare triple {14314#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {14314#true} is VALID [2020-07-28 19:00:42,486 INFO L280 TraceCheckUtils]: 21: Hoare triple {14314#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {14314#true} is VALID [2020-07-28 19:00:42,486 INFO L280 TraceCheckUtils]: 22: Hoare triple {14314#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {14314#true} is VALID [2020-07-28 19:00:42,486 INFO L280 TraceCheckUtils]: 23: Hoare triple {14314#true} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {14314#true} is VALID [2020-07-28 19:00:42,487 INFO L280 TraceCheckUtils]: 24: Hoare triple {14314#true} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {14314#true} is VALID [2020-07-28 19:00:42,487 INFO L280 TraceCheckUtils]: 25: Hoare triple {14314#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {14314#true} is VALID [2020-07-28 19:00:42,487 INFO L280 TraceCheckUtils]: 26: Hoare triple {14314#true} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {14314#true} is VALID [2020-07-28 19:00:42,488 INFO L280 TraceCheckUtils]: 27: Hoare triple {14314#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,490 INFO L280 TraceCheckUtils]: 28: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,491 INFO L280 TraceCheckUtils]: 29: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,492 INFO L280 TraceCheckUtils]: 30: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,492 INFO L280 TraceCheckUtils]: 31: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,493 INFO L280 TraceCheckUtils]: 32: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,494 INFO L280 TraceCheckUtils]: 33: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,494 INFO L280 TraceCheckUtils]: 34: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume !false; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,495 INFO L280 TraceCheckUtils]: 35: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume test_~splverifierCounter~0 < 4; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,496 INFO L280 TraceCheckUtils]: 36: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,496 INFO L280 TraceCheckUtils]: 37: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp~9); {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,497 INFO L280 TraceCheckUtils]: 38: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,498 INFO L280 TraceCheckUtils]: 39: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume !(0 != test_~tmp___0~3); {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,498 INFO L280 TraceCheckUtils]: 40: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,499 INFO L280 TraceCheckUtils]: 41: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14318#(not (= 0 ~pumpRunning~0))} is VALID [2020-07-28 19:00:42,500 INFO L280 TraceCheckUtils]: 42: Hoare triple {14318#(not (= 0 ~pumpRunning~0))} assume !(0 != ~pumpRunning~0); {14315#false} is VALID [2020-07-28 19:00:42,500 INFO L280 TraceCheckUtils]: 43: Hoare triple {14315#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14315#false} is VALID [2020-07-28 19:00:42,500 INFO L280 TraceCheckUtils]: 44: Hoare triple {14315#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {14315#false} is VALID [2020-07-28 19:00:42,500 INFO L280 TraceCheckUtils]: 45: Hoare triple {14315#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {14315#false} is VALID [2020-07-28 19:00:42,501 INFO L280 TraceCheckUtils]: 46: Hoare triple {14315#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {14315#false} is VALID [2020-07-28 19:00:42,501 INFO L280 TraceCheckUtils]: 47: Hoare triple {14315#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {14315#false} is VALID [2020-07-28 19:00:42,501 INFO L280 TraceCheckUtils]: 48: Hoare triple {14315#false} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {14315#false} is VALID [2020-07-28 19:00:42,501 INFO L280 TraceCheckUtils]: 49: Hoare triple {14315#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {14315#false} is VALID [2020-07-28 19:00:42,501 INFO L280 TraceCheckUtils]: 50: Hoare triple {14315#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {14315#false} is VALID [2020-07-28 19:00:42,502 INFO L280 TraceCheckUtils]: 51: Hoare triple {14315#false} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {14315#false} is VALID [2020-07-28 19:00:42,502 INFO L280 TraceCheckUtils]: 52: Hoare triple {14315#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {14315#false} is VALID [2020-07-28 19:00:42,502 INFO L280 TraceCheckUtils]: 53: Hoare triple {14315#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {14315#false} is VALID [2020-07-28 19:00:42,502 INFO L280 TraceCheckUtils]: 54: Hoare triple {14315#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {14315#false} is VALID [2020-07-28 19:00:42,502 INFO L280 TraceCheckUtils]: 55: Hoare triple {14315#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {14315#false} is VALID [2020-07-28 19:00:42,502 INFO L280 TraceCheckUtils]: 56: Hoare triple {14315#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {14315#false} is VALID [2020-07-28 19:00:42,503 INFO L280 TraceCheckUtils]: 57: Hoare triple {14315#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {14315#false} is VALID [2020-07-28 19:00:42,503 INFO L280 TraceCheckUtils]: 58: Hoare triple {14315#false} assume 0 != ~methAndRunningLastTime~0; {14315#false} is VALID [2020-07-28 19:00:42,503 INFO L280 TraceCheckUtils]: 59: Hoare triple {14315#false} assume !false; {14315#false} is VALID [2020-07-28 19:00:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:00:42,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041512216] [2020-07-28 19:00:42,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:42,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:00:42,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813833107] [2020-07-28 19:00:42,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-28 19:00:42,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:42,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:00:42,578 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:42,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:00:42,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:42,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:00:42,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:00:42,579 INFO L87 Difference]: Start difference. First operand 364 states and 488 transitions. Second operand 5 states. [2020-07-28 19:00:43,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:43,846 INFO L93 Difference]: Finished difference Result 571 states and 779 transitions. [2020-07-28 19:00:43,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:00:43,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-28 19:00:43,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2020-07-28 19:00:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:00:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2020-07-28 19:00:43,849 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 181 transitions. [2020-07-28 19:00:44,065 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:44,073 INFO L225 Difference]: With dead ends: 571 [2020-07-28 19:00:44,073 INFO L226 Difference]: Without dead ends: 304 [2020-07-28 19:00:44,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 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 19:00:44,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-28 19:00:44,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-07-28 19:00:44,718 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:44,719 INFO L82 GeneralOperation]: Start isEquivalent. First operand 304 states. Second operand 304 states. [2020-07-28 19:00:44,719 INFO L74 IsIncluded]: Start isIncluded. First operand 304 states. Second operand 304 states. [2020-07-28 19:00:44,719 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 304 states. [2020-07-28 19:00:44,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:44,727 INFO L93 Difference]: Finished difference Result 304 states and 395 transitions. [2020-07-28 19:00:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 395 transitions. [2020-07-28 19:00:44,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:44,728 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:44,728 INFO L74 IsIncluded]: Start isIncluded. First operand 304 states. Second operand 304 states. [2020-07-28 19:00:44,728 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 304 states. [2020-07-28 19:00:44,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:44,736 INFO L93 Difference]: Finished difference Result 304 states and 395 transitions. [2020-07-28 19:00:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 395 transitions. [2020-07-28 19:00:44,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:44,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:44,737 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:44,737 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-07-28 19:00:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 395 transitions. [2020-07-28 19:00:44,746 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 395 transitions. Word has length 60 [2020-07-28 19:00:44,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:44,747 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 395 transitions. [2020-07-28 19:00:44,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:00:44,747 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 395 transitions. [2020-07-28 19:00:44,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-28 19:00:44,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:44,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-28 19:00:44,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 19:00:44,750 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:44,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:44,750 INFO L82 PathProgramCache]: Analyzing trace with hash -297745622, now seen corresponding path program 1 times [2020-07-28 19:00:44,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:44,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438296574] [2020-07-28 19:00:44,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:44,814 INFO L280 TraceCheckUtils]: 0: Hoare triple {16151#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {16151#true} is VALID [2020-07-28 19:00:44,814 INFO L280 TraceCheckUtils]: 1: Hoare triple {16151#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {16151#true} is VALID [2020-07-28 19:00:44,815 INFO L280 TraceCheckUtils]: 2: Hoare triple {16151#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {16151#true} is VALID [2020-07-28 19:00:44,815 INFO L280 TraceCheckUtils]: 3: Hoare triple {16151#true} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {16151#true} is VALID [2020-07-28 19:00:44,815 INFO L280 TraceCheckUtils]: 4: Hoare triple {16151#true} assume 0 != main_~tmp~10; {16151#true} is VALID [2020-07-28 19:00:44,815 INFO L280 TraceCheckUtils]: 5: Hoare triple {16151#true} ~methAndRunningLastTime~0 := 0; {16151#true} is VALID [2020-07-28 19:00:44,815 INFO L280 TraceCheckUtils]: 6: Hoare triple {16151#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {16151#true} is VALID [2020-07-28 19:00:44,816 INFO L280 TraceCheckUtils]: 7: Hoare triple {16151#true} assume !false; {16151#true} is VALID [2020-07-28 19:00:44,816 INFO L280 TraceCheckUtils]: 8: Hoare triple {16151#true} assume test_~splverifierCounter~0 < 4; {16151#true} is VALID [2020-07-28 19:00:44,816 INFO L280 TraceCheckUtils]: 9: Hoare triple {16151#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {16151#true} is VALID [2020-07-28 19:00:44,816 INFO L280 TraceCheckUtils]: 10: Hoare triple {16151#true} assume 0 != test_~tmp~9; {16151#true} is VALID [2020-07-28 19:00:44,816 INFO L280 TraceCheckUtils]: 11: Hoare triple {16151#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {16151#true} is VALID [2020-07-28 19:00:44,816 INFO L280 TraceCheckUtils]: 12: Hoare triple {16151#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {16151#true} is VALID [2020-07-28 19:00:44,817 INFO L280 TraceCheckUtils]: 13: Hoare triple {16151#true} assume 0 != test_~tmp___0~3; {16151#true} is VALID [2020-07-28 19:00:44,817 INFO L280 TraceCheckUtils]: 14: Hoare triple {16151#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {16151#true} is VALID [2020-07-28 19:00:44,817 INFO L280 TraceCheckUtils]: 15: Hoare triple {16151#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {16151#true} is VALID [2020-07-28 19:00:44,817 INFO L280 TraceCheckUtils]: 16: Hoare triple {16151#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {16151#true} is VALID [2020-07-28 19:00:44,818 INFO L280 TraceCheckUtils]: 17: Hoare triple {16151#true} assume !(0 != ~pumpRunning~0); {16151#true} is VALID [2020-07-28 19:00:44,818 INFO L280 TraceCheckUtils]: 18: Hoare triple {16151#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {16151#true} is VALID [2020-07-28 19:00:44,818 INFO L280 TraceCheckUtils]: 19: Hoare triple {16151#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {16151#true} is VALID [2020-07-28 19:00:44,819 INFO L280 TraceCheckUtils]: 20: Hoare triple {16151#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {16151#true} is VALID [2020-07-28 19:00:44,819 INFO L280 TraceCheckUtils]: 21: Hoare triple {16151#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {16151#true} is VALID [2020-07-28 19:00:44,819 INFO L280 TraceCheckUtils]: 22: Hoare triple {16151#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {16151#true} is VALID [2020-07-28 19:00:44,819 INFO L280 TraceCheckUtils]: 23: Hoare triple {16151#true} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {16151#true} is VALID [2020-07-28 19:00:44,819 INFO L280 TraceCheckUtils]: 24: Hoare triple {16151#true} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {16151#true} is VALID [2020-07-28 19:00:44,819 INFO L280 TraceCheckUtils]: 25: Hoare triple {16151#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {16151#true} is VALID [2020-07-28 19:00:44,820 INFO L280 TraceCheckUtils]: 26: Hoare triple {16151#true} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {16151#true} is VALID [2020-07-28 19:00:44,820 INFO L280 TraceCheckUtils]: 27: Hoare triple {16151#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {16151#true} is VALID [2020-07-28 19:00:44,820 INFO L280 TraceCheckUtils]: 28: Hoare triple {16151#true} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {16151#true} is VALID [2020-07-28 19:00:44,820 INFO L280 TraceCheckUtils]: 29: Hoare triple {16151#true} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {16151#true} is VALID [2020-07-28 19:00:44,820 INFO L280 TraceCheckUtils]: 30: Hoare triple {16151#true} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {16151#true} is VALID [2020-07-28 19:00:44,821 INFO L280 TraceCheckUtils]: 31: Hoare triple {16151#true} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {16151#true} is VALID [2020-07-28 19:00:44,821 INFO L280 TraceCheckUtils]: 32: Hoare triple {16151#true} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {16151#true} is VALID [2020-07-28 19:00:44,821 INFO L280 TraceCheckUtils]: 33: Hoare triple {16151#true} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {16151#true} is VALID [2020-07-28 19:00:44,822 INFO L280 TraceCheckUtils]: 34: Hoare triple {16151#true} assume !false; {16151#true} is VALID [2020-07-28 19:00:44,822 INFO L280 TraceCheckUtils]: 35: Hoare triple {16151#true} assume test_~splverifierCounter~0 < 4; {16151#true} is VALID [2020-07-28 19:00:44,823 INFO L280 TraceCheckUtils]: 36: Hoare triple {16151#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {16151#true} is VALID [2020-07-28 19:00:44,823 INFO L280 TraceCheckUtils]: 37: Hoare triple {16151#true} assume !(0 != test_~tmp~9); {16151#true} is VALID [2020-07-28 19:00:44,823 INFO L280 TraceCheckUtils]: 38: Hoare triple {16151#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {16151#true} is VALID [2020-07-28 19:00:44,823 INFO L280 TraceCheckUtils]: 39: Hoare triple {16151#true} assume !(0 != test_~tmp___0~3); {16151#true} is VALID [2020-07-28 19:00:44,824 INFO L280 TraceCheckUtils]: 40: Hoare triple {16151#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {16151#true} is VALID [2020-07-28 19:00:44,824 INFO L280 TraceCheckUtils]: 41: Hoare triple {16151#true} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp___1~0 := test_#t~nondet72;havoc test_#t~nondet72; {16151#true} is VALID [2020-07-28 19:00:44,824 INFO L280 TraceCheckUtils]: 42: Hoare triple {16151#true} assume 0 != test_~tmp___1~0; {16151#true} is VALID [2020-07-28 19:00:44,825 INFO L280 TraceCheckUtils]: 43: Hoare triple {16151#true} assume 0 != ~pumpRunning~0;~pumpRunning~0 := 0; {16151#true} is VALID [2020-07-28 19:00:44,826 INFO L280 TraceCheckUtils]: 44: Hoare triple {16151#true} ~systemActive~0 := 0; {16153#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:00:44,827 INFO L280 TraceCheckUtils]: 45: Hoare triple {16153#(= 0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {16153#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:00:44,828 INFO L280 TraceCheckUtils]: 46: Hoare triple {16153#(= 0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {16152#false} is VALID [2020-07-28 19:00:44,828 INFO L280 TraceCheckUtils]: 47: Hoare triple {16152#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {16152#false} is VALID [2020-07-28 19:00:44,828 INFO L280 TraceCheckUtils]: 48: Hoare triple {16152#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {16152#false} is VALID [2020-07-28 19:00:44,828 INFO L280 TraceCheckUtils]: 49: Hoare triple {16152#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {16152#false} is VALID [2020-07-28 19:00:44,829 INFO L280 TraceCheckUtils]: 50: Hoare triple {16152#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {16152#false} is VALID [2020-07-28 19:00:44,829 INFO L280 TraceCheckUtils]: 51: Hoare triple {16152#false} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {16152#false} is VALID [2020-07-28 19:00:44,829 INFO L280 TraceCheckUtils]: 52: Hoare triple {16152#false} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {16152#false} is VALID [2020-07-28 19:00:44,829 INFO L280 TraceCheckUtils]: 53: Hoare triple {16152#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {16152#false} is VALID [2020-07-28 19:00:44,829 INFO L280 TraceCheckUtils]: 54: Hoare triple {16152#false} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {16152#false} is VALID [2020-07-28 19:00:44,829 INFO L280 TraceCheckUtils]: 55: Hoare triple {16152#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {16152#false} is VALID [2020-07-28 19:00:44,830 INFO L280 TraceCheckUtils]: 56: Hoare triple {16152#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {16152#false} is VALID [2020-07-28 19:00:44,830 INFO L280 TraceCheckUtils]: 57: Hoare triple {16152#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {16152#false} is VALID [2020-07-28 19:00:44,830 INFO L280 TraceCheckUtils]: 58: Hoare triple {16152#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {16152#false} is VALID [2020-07-28 19:00:44,830 INFO L280 TraceCheckUtils]: 59: Hoare triple {16152#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {16152#false} is VALID [2020-07-28 19:00:44,830 INFO L280 TraceCheckUtils]: 60: Hoare triple {16152#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {16152#false} is VALID [2020-07-28 19:00:44,831 INFO L280 TraceCheckUtils]: 61: Hoare triple {16152#false} assume 0 != ~methAndRunningLastTime~0; {16152#false} is VALID [2020-07-28 19:00:44,831 INFO L280 TraceCheckUtils]: 62: Hoare triple {16152#false} assume !false; {16152#false} is VALID [2020-07-28 19:00:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-28 19:00:44,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438296574] [2020-07-28 19:00:44,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:44,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:00:44,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724163717] [2020-07-28 19:00:44,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-28 19:00:44,836 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:44,836 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:00:44,907 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:44,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:00:44,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:44,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:00:44,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:00:44,908 INFO L87 Difference]: Start difference. First operand 304 states and 395 transitions. Second operand 3 states. [2020-07-28 19:00:45,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:45,966 INFO L93 Difference]: Finished difference Result 600 states and 779 transitions. [2020-07-28 19:00:45,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:00:45,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-07-28 19:00:45,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2020-07-28 19:00:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:00:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2020-07-28 19:00:45,968 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 158 transitions. [2020-07-28 19:00:46,144 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:46,151 INFO L225 Difference]: With dead ends: 600 [2020-07-28 19:00:46,152 INFO L226 Difference]: Without dead ends: 303 [2020-07-28 19:00:46,153 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 19:00:46,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-07-28 19:00:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2020-07-28 19:00:46,877 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:46,877 INFO L82 GeneralOperation]: Start isEquivalent. First operand 303 states. Second operand 291 states. [2020-07-28 19:00:46,878 INFO L74 IsIncluded]: Start isIncluded. First operand 303 states. Second operand 291 states. [2020-07-28 19:00:46,878 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 291 states. [2020-07-28 19:00:46,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:46,884 INFO L93 Difference]: Finished difference Result 303 states and 386 transitions. [2020-07-28 19:00:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 386 transitions. [2020-07-28 19:00:46,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:46,885 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:46,885 INFO L74 IsIncluded]: Start isIncluded. First operand 291 states. Second operand 303 states. [2020-07-28 19:00:46,885 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 303 states. [2020-07-28 19:00:46,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:46,891 INFO L93 Difference]: Finished difference Result 303 states and 386 transitions. [2020-07-28 19:00:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 386 transitions. [2020-07-28 19:00:46,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:46,892 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:46,892 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:46,892 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-07-28 19:00:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 374 transitions. [2020-07-28 19:00:46,900 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 374 transitions. Word has length 63 [2020-07-28 19:00:46,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:46,901 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 374 transitions. [2020-07-28 19:00:46,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:00:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 374 transitions. [2020-07-28 19:00:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-28 19:00:46,902 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:00:46,903 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1] [2020-07-28 19:00:46,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:00:46,903 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:00:46,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:00:46,904 INFO L82 PathProgramCache]: Analyzing trace with hash 751274022, now seen corresponding path program 1 times [2020-07-28 19:00:46,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:00:46,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665434447] [2020-07-28 19:00:46,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:00:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:00:47,050 INFO L280 TraceCheckUtils]: 0: Hoare triple {18006#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {18006#true} is VALID [2020-07-28 19:00:47,050 INFO L280 TraceCheckUtils]: 1: Hoare triple {18006#true} havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; {18006#true} is VALID [2020-07-28 19:00:47,051 INFO L280 TraceCheckUtils]: 2: Hoare triple {18006#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; {18008#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:00:47,052 INFO L280 TraceCheckUtils]: 3: Hoare triple {18008#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret74 := valid_product_#res;assume -2147483648 <= main_#t~ret74 && main_#t~ret74 <= 2147483647;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; {18009#(= 1 ULTIMATE.start_main_~tmp~10)} is VALID [2020-07-28 19:00:47,052 INFO L280 TraceCheckUtils]: 4: Hoare triple {18009#(= 1 ULTIMATE.start_main_~tmp~10)} assume 0 != main_~tmp~10; {18006#true} is VALID [2020-07-28 19:00:47,052 INFO L280 TraceCheckUtils]: 5: Hoare triple {18006#true} ~methAndRunningLastTime~0 := 0; {18006#true} is VALID [2020-07-28 19:00:47,052 INFO L280 TraceCheckUtils]: 6: Hoare triple {18006#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {18006#true} is VALID [2020-07-28 19:00:47,052 INFO L280 TraceCheckUtils]: 7: Hoare triple {18006#true} assume !false; {18006#true} is VALID [2020-07-28 19:00:47,053 INFO L280 TraceCheckUtils]: 8: Hoare triple {18006#true} assume test_~splverifierCounter~0 < 4; {18006#true} is VALID [2020-07-28 19:00:47,053 INFO L280 TraceCheckUtils]: 9: Hoare triple {18006#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {18006#true} is VALID [2020-07-28 19:00:47,053 INFO L280 TraceCheckUtils]: 10: Hoare triple {18006#true} assume 0 != test_~tmp~9; {18006#true} is VALID [2020-07-28 19:00:47,053 INFO L280 TraceCheckUtils]: 11: Hoare triple {18006#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {18006#true} is VALID [2020-07-28 19:00:47,054 INFO L280 TraceCheckUtils]: 12: Hoare triple {18006#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {18006#true} is VALID [2020-07-28 19:00:47,054 INFO L280 TraceCheckUtils]: 13: Hoare triple {18006#true} assume 0 != test_~tmp___0~3; {18006#true} is VALID [2020-07-28 19:00:47,055 INFO L280 TraceCheckUtils]: 14: Hoare triple {18006#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,055 INFO L280 TraceCheckUtils]: 15: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,056 INFO L280 TraceCheckUtils]: 16: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,056 INFO L280 TraceCheckUtils]: 17: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0); {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,057 INFO L280 TraceCheckUtils]: 18: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,057 INFO L280 TraceCheckUtils]: 19: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,058 INFO L280 TraceCheckUtils]: 20: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,058 INFO L280 TraceCheckUtils]: 21: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,059 INFO L280 TraceCheckUtils]: 22: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~5 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,060 INFO L280 TraceCheckUtils]: 23: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret67 && isHighWaterLevel_#t~ret67 <= 2147483647;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,060 INFO L280 TraceCheckUtils]: 24: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != isHighWaterLevel_~tmp~7);isHighWaterLevel_~tmp___0~1 := 1; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,061 INFO L280 TraceCheckUtils]: 25: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,061 INFO L280 TraceCheckUtils]: 26: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret47 && processEnvironment__wrappee__highWaterSensor_#t~ret47 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,062 INFO L280 TraceCheckUtils]: 27: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~4;~pumpRunning~0 := 1; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,062 INFO L280 TraceCheckUtils]: 28: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,063 INFO L280 TraceCheckUtils]: 29: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,064 INFO L280 TraceCheckUtils]: 30: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,064 INFO L280 TraceCheckUtils]: 31: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,065 INFO L280 TraceCheckUtils]: 32: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,066 INFO L280 TraceCheckUtils]: 33: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != ~methAndRunningLastTime~0);~methAndRunningLastTime~0 := 1; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,066 INFO L280 TraceCheckUtils]: 34: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !false; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,067 INFO L280 TraceCheckUtils]: 35: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume test_~splverifierCounter~0 < 4; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,068 INFO L280 TraceCheckUtils]: 36: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,069 INFO L280 TraceCheckUtils]: 37: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != test_~tmp~9); {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,069 INFO L280 TraceCheckUtils]: 38: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,070 INFO L280 TraceCheckUtils]: 39: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume !(0 != test_~tmp___0~3); {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,071 INFO L280 TraceCheckUtils]: 40: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,071 INFO L280 TraceCheckUtils]: 41: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,071 INFO L280 TraceCheckUtils]: 42: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~pumpRunning~0; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,072 INFO L280 TraceCheckUtils]: 43: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,072 INFO L280 TraceCheckUtils]: 44: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {18010#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 19:00:47,073 INFO L280 TraceCheckUtils]: 45: Hoare triple {18010#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret50, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {18011#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 19:00:47,073 INFO L280 TraceCheckUtils]: 46: Hoare triple {18011#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} isMethaneAlarm_#t~ret50 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret50 && isMethaneAlarm_#t~ret50 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret50;havoc isMethaneAlarm_#t~ret50;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {18012#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} is VALID [2020-07-28 19:00:47,074 INFO L280 TraceCheckUtils]: 47: Hoare triple {18012#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} processEnvironment_#t~ret49 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret49 && processEnvironment_#t~ret49 <= 2147483647;processEnvironment_~tmp~6 := processEnvironment_#t~ret49;havoc processEnvironment_#t~ret49; {18013#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~6))} is VALID [2020-07-28 19:00:47,075 INFO L280 TraceCheckUtils]: 48: Hoare triple {18013#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~6))} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; {18007#false} is VALID [2020-07-28 19:00:47,075 INFO L280 TraceCheckUtils]: 49: Hoare triple {18007#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret68, isLowWaterLevel_~retValue_acc~10, isLowWaterLevel_~tmp~8, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~10;havoc isLowWaterLevel_~tmp~8;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~6;havoc isLowWaterSensorDry_~retValue_acc~6;isLowWaterSensorDry_~retValue_acc~6 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~6; {18007#false} is VALID [2020-07-28 19:00:47,075 INFO L280 TraceCheckUtils]: 50: Hoare triple {18007#false} isLowWaterLevel_#t~ret68 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret68 && isLowWaterLevel_#t~ret68 <= 2147483647;isLowWaterLevel_~tmp~8 := isLowWaterLevel_#t~ret68;havoc isLowWaterLevel_#t~ret68; {18007#false} is VALID [2020-07-28 19:00:47,076 INFO L280 TraceCheckUtils]: 51: Hoare triple {18007#false} assume 0 != isLowWaterLevel_~tmp~8;isLowWaterLevel_~tmp___0~2 := 0; {18007#false} is VALID [2020-07-28 19:00:47,076 INFO L280 TraceCheckUtils]: 52: Hoare triple {18007#false} isLowWaterLevel_~retValue_acc~10 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~10; {18007#false} is VALID [2020-07-28 19:00:47,076 INFO L280 TraceCheckUtils]: 53: Hoare triple {18007#false} processEnvironment__wrappee__lowWaterSensor_#t~ret48 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__lowWaterSensor_#t~ret48 && processEnvironment__wrappee__lowWaterSensor_#t~ret48 <= 2147483647;processEnvironment__wrappee__lowWaterSensor_~tmp~5 := processEnvironment__wrappee__lowWaterSensor_#t~ret48;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48; {18007#false} is VALID [2020-07-28 19:00:47,076 INFO L280 TraceCheckUtils]: 54: Hoare triple {18007#false} assume !(0 != processEnvironment__wrappee__lowWaterSensor_~tmp~5);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; {18007#false} is VALID [2020-07-28 19:00:47,076 INFO L280 TraceCheckUtils]: 55: Hoare triple {18007#false} assume !(0 == ~pumpRunning~0); {18007#false} is VALID [2020-07-28 19:00:47,077 INFO L280 TraceCheckUtils]: 56: Hoare triple {18007#false} havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; {18007#false} is VALID [2020-07-28 19:00:47,077 INFO L280 TraceCheckUtils]: 57: Hoare triple {18007#false} __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret45 && __utac_acc__Specification2_spec__2_#t~ret45 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; {18007#false} is VALID [2020-07-28 19:00:47,077 INFO L280 TraceCheckUtils]: 58: Hoare triple {18007#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp~3;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; {18007#false} is VALID [2020-07-28 19:00:47,077 INFO L280 TraceCheckUtils]: 59: Hoare triple {18007#false} __utac_acc__Specification2_spec__2_#t~ret46 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification2_spec__2_#t~ret46 && __utac_acc__Specification2_spec__2_#t~ret46 <= 2147483647;__utac_acc__Specification2_spec__2_~tmp___0~0 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; {18007#false} is VALID [2020-07-28 19:00:47,077 INFO L280 TraceCheckUtils]: 60: Hoare triple {18007#false} assume 0 != __utac_acc__Specification2_spec__2_~tmp___0~0; {18007#false} is VALID [2020-07-28 19:00:47,077 INFO L280 TraceCheckUtils]: 61: Hoare triple {18007#false} assume 0 != ~methAndRunningLastTime~0; {18007#false} is VALID [2020-07-28 19:00:47,077 INFO L280 TraceCheckUtils]: 62: Hoare triple {18007#false} assume !false; {18007#false} is VALID [2020-07-28 19:00:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:00:47,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665434447] [2020-07-28 19:00:47,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:00:47,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-28 19:00:47,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322011351] [2020-07-28 19:00:47,081 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-28 19:00:47,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:00:47,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 19:00:47,153 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:47,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 19:00:47,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:00:47,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 19:00:47,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:00:47,154 INFO L87 Difference]: Start difference. First operand 291 states and 374 transitions. Second operand 8 states. [2020-07-28 19:00:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:51,056 INFO L93 Difference]: Finished difference Result 1063 states and 1371 transitions. [2020-07-28 19:00:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-28 19:00:51,056 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-28 19:00:51,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:00:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:00:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 522 transitions. [2020-07-28 19:00:51,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:00:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 522 transitions. [2020-07-28 19:00:51,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 522 transitions. [2020-07-28 19:00:51,759 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 522 edges. 522 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:00:51,760 INFO L225 Difference]: With dead ends: 1063 [2020-07-28 19:00:51,760 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:00:51,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2020-07-28 19:00:51,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:00:51,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:00:51,763 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:00:51,763 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:51,763 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:51,763 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:51,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:51,763 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:00:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:51,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:51,764 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:51,764 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:51,764 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:00:51,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:00:51,764 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:00:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:51,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:51,765 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:00:51,765 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:00:51,765 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:00:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:00:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:00:51,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-07-28 19:00:51,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:00:51,765 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:00:51,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 19:00:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:00:51,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:00:51,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-28 19:00:51,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:00:52,065 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2020-07-28 19:00:52,453 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 137 [2020-07-28 19:00:52,625 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2020-07-28 19:00:52,884 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 114 [2020-07-28 19:00:53,298 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 138 [2020-07-28 19:00:53,651 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 132 [2020-07-28 19:00:54,126 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2020-07-28 19:00:54,488 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 25 [2020-07-28 19:00:55,088 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 34 [2020-07-28 19:00:55,780 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 28 [2020-07-28 19:00:56,237 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 11 [2020-07-28 19:00:56,770 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2020-07-28 19:00:57,583 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 28 [2020-07-28 19:00:57,705 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-07-28 19:00:58,559 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2020-07-28 19:00:58,751 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-07-28 19:00:59,190 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 27 [2020-07-28 19:00:59,794 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 34 [2020-07-28 19:01:00,056 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-07-28 19:01:00,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-28 19:01:00,087 INFO L268 CegarLoopResult]: For program point L663(lines 663 680) no Hoare annotation was computed. [2020-07-28 19:01:00,087 INFO L268 CegarLoopResult]: For program point L663-1(lines 663 680) no Hoare annotation was computed. [2020-07-28 19:01:00,087 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 680) no Hoare annotation was computed. [2020-07-28 19:01:00,088 INFO L264 CegarLoopResult]: At program point L466(lines 461 469) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse4 .cse3 (not .cse6) (not .cse1) .cse5))) [2020-07-28 19:01:00,088 INFO L264 CegarLoopResult]: At program point L466-1(lines 461 469) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse4 (not .cse7)) (.cse5 (not .cse6)) (.cse8 (= 0 ~pumpRunning~0))) (or (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse3 .cse2 .cse7) (and .cse0 .cse6 .cse1 .cse3 .cse8 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse8)))) [2020-07-28 19:01:00,088 INFO L264 CegarLoopResult]: At program point L466-2(lines 461 469) the Hoare annotation is: false [2020-07-28 19:01:00,088 INFO L264 CegarLoopResult]: At program point L466-3(lines 461 469) the Hoare annotation is: false [2020-07-28 19:01:00,089 INFO L264 CegarLoopResult]: At program point L466-4(lines 461 469) the Hoare annotation is: false [2020-07-28 19:01:00,089 INFO L264 CegarLoopResult]: At program point L466-5(lines 461 469) the Hoare annotation is: false [2020-07-28 19:01:00,089 INFO L268 CegarLoopResult]: For program point L830(lines 829 878) no Hoare annotation was computed. [2020-07-28 19:01:00,089 INFO L264 CegarLoopResult]: At program point L533(lines 528 535) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~10) (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:01:00,089 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-28 19:01:00,090 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-28 19:01:00,090 INFO L264 CegarLoopResult]: At program point L798-1(lines 798 804) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~10) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 19:01:00,090 INFO L268 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,090 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,090 INFO L268 CegarLoopResult]: For program point L765-3(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,090 INFO L268 CegarLoopResult]: For program point L765-5(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,090 INFO L268 CegarLoopResult]: For program point L765-6(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,090 INFO L268 CegarLoopResult]: For program point L765-8(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,090 INFO L268 CegarLoopResult]: For program point L765-9(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,091 INFO L268 CegarLoopResult]: For program point L765-11(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,091 INFO L268 CegarLoopResult]: For program point L765-12(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,091 INFO L268 CegarLoopResult]: For program point L765-14(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,091 INFO L268 CegarLoopResult]: For program point L765-15(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,091 INFO L268 CegarLoopResult]: For program point L765-17(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,091 INFO L268 CegarLoopResult]: For program point L765-18(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,092 INFO L268 CegarLoopResult]: For program point L765-20(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,092 INFO L268 CegarLoopResult]: For program point L765-21(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,092 INFO L268 CegarLoopResult]: For program point L765-23(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,092 INFO L268 CegarLoopResult]: For program point L765-24(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,092 INFO L268 CegarLoopResult]: For program point L765-26(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,092 INFO L268 CegarLoopResult]: For program point L765-27(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,093 INFO L268 CegarLoopResult]: For program point L765-29(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,093 INFO L268 CegarLoopResult]: For program point L765-30(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,093 INFO L268 CegarLoopResult]: For program point L765-32(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,093 INFO L268 CegarLoopResult]: For program point L765-33(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,093 INFO L268 CegarLoopResult]: For program point L667(lines 667 675) no Hoare annotation was computed. [2020-07-28 19:01:00,093 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 675) no Hoare annotation was computed. [2020-07-28 19:01:00,094 INFO L268 CegarLoopResult]: For program point L765-35(lines 765 769) no Hoare annotation was computed. [2020-07-28 19:01:00,094 INFO L268 CegarLoopResult]: For program point L667-2(lines 667 675) no Hoare annotation was computed. [2020-07-28 19:01:00,094 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-28 19:01:00,094 INFO L264 CegarLoopResult]: At program point L867-1(lines 579 585) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse3 (not .cse5)) (.cse4 (not .cse6))) (or (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse3) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse4)))) [2020-07-28 19:01:00,094 INFO L268 CegarLoopResult]: For program point L637(lines 637 654) no Hoare annotation was computed. [2020-07-28 19:01:00,095 INFO L268 CegarLoopResult]: For program point L637-1(lines 637 654) no Hoare annotation was computed. [2020-07-28 19:01:00,095 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 654) no Hoare annotation was computed. [2020-07-28 19:01:00,095 INFO L268 CegarLoopResult]: For program point L637-3(lines 637 654) no Hoare annotation was computed. [2020-07-28 19:01:00,095 INFO L268 CegarLoopResult]: For program point L637-4(lines 637 654) no Hoare annotation was computed. [2020-07-28 19:01:00,095 INFO L268 CegarLoopResult]: For program point L637-5(lines 637 654) no Hoare annotation was computed. [2020-07-28 19:01:00,096 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-28 19:01:00,096 INFO L268 CegarLoopResult]: For program point L506(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,096 INFO L268 CegarLoopResult]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,096 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,096 INFO L268 CegarLoopResult]: For program point L506-3(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,096 INFO L268 CegarLoopResult]: For program point L506-4(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,097 INFO L268 CegarLoopResult]: For program point L506-5(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,097 INFO L268 CegarLoopResult]: For program point L506-6(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,097 INFO L268 CegarLoopResult]: For program point L506-7(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,097 INFO L268 CegarLoopResult]: For program point L506-8(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,097 INFO L268 CegarLoopResult]: For program point L506-9(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,098 INFO L268 CegarLoopResult]: For program point L506-10(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,098 INFO L268 CegarLoopResult]: For program point L506-11(lines 506 512) no Hoare annotation was computed. [2020-07-28 19:01:00,098 INFO L264 CegarLoopResult]: At program point L771(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,098 INFO L264 CegarLoopResult]: At program point L771-1(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,098 INFO L264 CegarLoopResult]: At program point L771-2(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,098 INFO L264 CegarLoopResult]: At program point L771-3(lines 756 774) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse1 .cse2 .cse3 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse4) (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:01:00,099 INFO L264 CegarLoopResult]: At program point L771-4(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,099 INFO L264 CegarLoopResult]: At program point L771-5(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,099 INFO L264 CegarLoopResult]: At program point L771-6(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,099 INFO L264 CegarLoopResult]: At program point L771-7(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,099 INFO L264 CegarLoopResult]: At program point L771-8(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,099 INFO L264 CegarLoopResult]: At program point L771-9(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,100 INFO L268 CegarLoopResult]: For program point L441(lines 441 445) no Hoare annotation was computed. [2020-07-28 19:01:00,100 INFO L264 CegarLoopResult]: At program point L771-10(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,100 INFO L264 CegarLoopResult]: At program point L771-11(lines 756 774) the Hoare annotation is: false [2020-07-28 19:01:00,100 INFO L264 CegarLoopResult]: At program point L937-2(lines 937 951) the Hoare annotation is: false [2020-07-28 19:01:00,100 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-28 19:01:00,100 INFO L268 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-07-28 19:01:00,100 INFO L264 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse5 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse9 (not .cse7)) (.cse10 (not .cse2)) (.cse6 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse6) (and .cse0 .cse3 .cse8 .cse4 .cse9 .cse10 (not .cse6))))) [2020-07-28 19:01:00,100 INFO L264 CegarLoopResult]: At program point L707(lines 700 710) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse2 (not (= 0 ~systemActive~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 (not .cse4) (not .cse5) (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse6) (and .cse0 .cse5 .cse1 .cse3 .cse2 .cse6 .cse4))) [2020-07-28 19:01:00,101 INFO L264 CegarLoopResult]: At program point L707-1(lines 700 710) the Hoare annotation is: false [2020-07-28 19:01:00,101 INFO L268 CegarLoopResult]: For program point L641(lines 641 649) no Hoare annotation was computed. [2020-07-28 19:01:00,101 INFO L264 CegarLoopResult]: At program point L707-2(lines 700 710) the Hoare annotation is: false [2020-07-28 19:01:00,101 INFO L268 CegarLoopResult]: For program point L641-1(lines 641 649) no Hoare annotation was computed. [2020-07-28 19:01:00,101 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 649) no Hoare annotation was computed. [2020-07-28 19:01:00,101 INFO L268 CegarLoopResult]: For program point L641-3(lines 641 649) no Hoare annotation was computed. [2020-07-28 19:01:00,101 INFO L268 CegarLoopResult]: For program point L641-4(lines 641 649) no Hoare annotation was computed. [2020-07-28 19:01:00,101 INFO L268 CegarLoopResult]: For program point L641-5(lines 641 649) no Hoare annotation was computed. [2020-07-28 19:01:00,102 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-28 19:01:00,102 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-28 19:01:00,102 INFO L268 CegarLoopResult]: For program point L410-2(line 410) no Hoare annotation was computed. [2020-07-28 19:01:00,102 INFO L268 CegarLoopResult]: For program point L544(lines 544 561) no Hoare annotation was computed. [2020-07-28 19:01:00,103 INFO L264 CegarLoopResult]: At program point L511(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,103 INFO L264 CegarLoopResult]: At program point L544-1(lines 1 1021) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (let ((.cse5 (= 0 ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse9 (not .cse7)) (.cse10 (not .cse2)) (.cse6 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse9 .cse10 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse8 .cse6) (and .cse0 .cse3 .cse8 .cse4 .cse9 .cse10 (not .cse6))))) [2020-07-28 19:01:00,103 INFO L264 CegarLoopResult]: At program point L511-1(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,103 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 561) no Hoare annotation was computed. [2020-07-28 19:01:00,104 INFO L264 CegarLoopResult]: At program point L511-2(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,104 INFO L264 CegarLoopResult]: At program point L544-3(lines 1 1021) the Hoare annotation is: false [2020-07-28 19:01:00,104 INFO L264 CegarLoopResult]: At program point L511-3(lines 502 515) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4))) [2020-07-28 19:01:00,104 INFO L268 CegarLoopResult]: For program point L544-4(lines 544 561) no Hoare annotation was computed. [2020-07-28 19:01:00,104 INFO L264 CegarLoopResult]: At program point L511-4(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,104 INFO L264 CegarLoopResult]: At program point L544-5(lines 1 1021) the Hoare annotation is: false [2020-07-28 19:01:00,104 INFO L264 CegarLoopResult]: At program point L511-5(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,105 INFO L264 CegarLoopResult]: At program point L511-6(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,105 INFO L264 CegarLoopResult]: At program point L511-7(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,105 INFO L264 CegarLoopResult]: At program point L511-8(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,105 INFO L264 CegarLoopResult]: At program point L511-9(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,105 INFO L264 CegarLoopResult]: At program point L511-10(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,105 INFO L264 CegarLoopResult]: At program point L511-11(lines 502 515) the Hoare annotation is: false [2020-07-28 19:01:00,105 INFO L268 CegarLoopResult]: For program point L941(lines 941 945) no Hoare annotation was computed. [2020-07-28 19:01:00,105 INFO L268 CegarLoopResult]: For program point L941-1(lines 579 585) no Hoare annotation was computed. [2020-07-28 19:01:00,105 INFO L268 CegarLoopResult]: For program point L611(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,105 INFO L268 CegarLoopResult]: For program point L611-1(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,105 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,105 INFO L268 CegarLoopResult]: For program point L611-3(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L611-4(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L611-5(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L611-6(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L611-7(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L611-8(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L611-9(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L611-10(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L611-11(lines 611 628) no Hoare annotation was computed. [2020-07-28 19:01:00,106 INFO L264 CegarLoopResult]: At program point L579(lines 578 597) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse3 (not .cse4))) (or (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (not .cse5)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3)))) [2020-07-28 19:01:00,106 INFO L268 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2020-07-28 19:01:00,107 INFO L264 CegarLoopResult]: At program point L579-2(lines 578 597) the Hoare annotation is: false [2020-07-28 19:01:00,107 INFO L264 CegarLoopResult]: At program point L579-3(lines 578 597) the Hoare annotation is: false [2020-07-28 19:01:00,107 INFO L268 CegarLoopResult]: For program point L1009(lines 1009 1016) no Hoare annotation was computed. [2020-07-28 19:01:00,107 INFO L271 CegarLoopResult]: At program point L1009-1(lines 1009 1016) the Hoare annotation is: true [2020-07-28 19:01:00,107 INFO L268 CegarLoopResult]: For program point L548(lines 548 558) no Hoare annotation was computed. [2020-07-28 19:01:00,107 INFO L268 CegarLoopResult]: For program point L548-2(lines 548 558) no Hoare annotation was computed. [2020-07-28 19:01:00,107 INFO L268 CegarLoopResult]: For program point L548-4(lines 548 558) no Hoare annotation was computed. [2020-07-28 19:01:00,107 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:01:00,107 INFO L264 CegarLoopResult]: At program point L879(lines 828 880) the Hoare annotation is: false [2020-07-28 19:01:00,107 INFO L268 CegarLoopResult]: For program point L615(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,107 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,107 INFO L268 CegarLoopResult]: For program point L615-2(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L549(lines 549 555) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-3(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-4(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 555) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-5(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-6(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L549-4(lines 549 555) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-7(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-8(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-9(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-10(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,108 INFO L268 CegarLoopResult]: For program point L615-11(lines 615 623) no Hoare annotation was computed. [2020-07-28 19:01:00,109 INFO L264 CegarLoopResult]: At program point L913(lines 1 1021) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:01:00,109 INFO L264 CegarLoopResult]: At program point L716(lines 711 719) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse5) (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 (not (= 0 ~systemActive~0)) .cse3 .cse4 (not .cse5)))) [2020-07-28 19:01:00,109 INFO L264 CegarLoopResult]: At program point L716-1(lines 711 719) the Hoare annotation is: false [2020-07-28 19:01:00,109 INFO L264 CegarLoopResult]: At program point L716-2(lines 711 719) the Hoare annotation is: false [2020-07-28 19:01:00,109 INFO L268 CegarLoopResult]: For program point L849(lines 849 855) no Hoare annotation was computed. [2020-07-28 19:01:00,109 INFO L264 CegarLoopResult]: At program point L849-1(lines 849 855) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0))) (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not .cse6)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6)))) [2020-07-28 19:01:00,109 INFO L268 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2020-07-28 19:01:00,109 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,109 INFO L268 CegarLoopResult]: For program point L784-2(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,110 INFO L268 CegarLoopResult]: For program point L784-3(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,110 INFO L268 CegarLoopResult]: For program point L784-5(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,110 INFO L264 CegarLoopResult]: At program point L586(lines 586 592) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~10)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= 0 ~pumpRunning~0)) (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse3 .cse2) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3))) [2020-07-28 19:01:00,110 INFO L268 CegarLoopResult]: For program point L784-6(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,110 INFO L264 CegarLoopResult]: At program point L586-1(lines 586 592) the Hoare annotation is: false [2020-07-28 19:01:00,110 INFO L268 CegarLoopResult]: For program point L784-8(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,110 INFO L264 CegarLoopResult]: At program point L586-2(lines 586 592) the Hoare annotation is: false [2020-07-28 19:01:00,110 INFO L268 CegarLoopResult]: For program point L784-9(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,110 INFO L268 CegarLoopResult]: For program point L784-11(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,110 INFO L268 CegarLoopResult]: For program point L784-12(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,110 INFO L268 CegarLoopResult]: For program point L784-14(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,111 INFO L268 CegarLoopResult]: For program point L784-15(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,111 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:01:00,111 INFO L268 CegarLoopResult]: For program point L784-17(lines 784 788) no Hoare annotation was computed. [2020-07-28 19:01:00,111 INFO L264 CegarLoopResult]: At program point L521(lines 516 524) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~10) (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) [2020-07-28 19:01:00,111 INFO L264 CegarLoopResult]: At program point L521-1(lines 516 524) the Hoare annotation is: false [2020-07-28 19:01:00,111 INFO L264 CegarLoopResult]: At program point L521-2(lines 516 524) the Hoare annotation is: false [2020-07-28 19:01:00,111 INFO L264 CegarLoopResult]: At program point L521-3(lines 516 524) the Hoare annotation is: false [2020-07-28 19:01:00,111 INFO L264 CegarLoopResult]: At program point L521-4(lines 516 524) the Hoare annotation is: false [2020-07-28 19:01:00,111 INFO L264 CegarLoopResult]: At program point L521-5(lines 516 524) the Hoare annotation is: false [2020-07-28 19:01:00,111 INFO L271 CegarLoopResult]: At program point L1018(lines 999 1021) the Hoare annotation is: true [2020-07-28 19:01:00,112 INFO L264 CegarLoopResult]: At program point L985(lines 981 987) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~10) (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:01:00,112 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:01:00,112 INFO L264 CegarLoopResult]: At program point L921(lines 916 924) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) [2020-07-28 19:01:00,112 INFO L264 CegarLoopResult]: At program point L790(lines 775 793) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~10) (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (not (= 0 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) [2020-07-28 19:01:00,112 INFO L264 CegarLoopResult]: At program point L790-1(lines 775 793) the Hoare annotation is: false [2020-07-28 19:01:00,112 INFO L264 CegarLoopResult]: At program point L790-2(lines 775 793) the Hoare annotation is: false [2020-07-28 19:01:00,112 INFO L264 CegarLoopResult]: At program point L790-3(lines 775 793) the Hoare annotation is: false [2020-07-28 19:01:00,112 INFO L264 CegarLoopResult]: At program point L790-4(lines 775 793) the Hoare annotation is: false [2020-07-28 19:01:00,112 INFO L264 CegarLoopResult]: At program point L790-5(lines 775 793) the Hoare annotation is: false [2020-07-28 19:01:00,113 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:01:00,113 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-28 19:01:00,113 INFO L268 CegarLoopResult]: For program point L429(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:01:00,113 INFO L268 CegarLoopResult]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:01:00,114 INFO L268 CegarLoopResult]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2020-07-28 19:01:00,114 INFO L268 CegarLoopResult]: For program point L859(lines 859 874) no Hoare annotation was computed. [2020-07-28 19:01:00,117 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:00,118 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:00,118 WARN L170 areAnnotationChecker]: L1009 has no Hoare annotation [2020-07-28 19:01:00,119 WARN L170 areAnnotationChecker]: L1009 has no Hoare annotation [2020-07-28 19:01:00,119 WARN L170 areAnnotationChecker]: L1009 has no Hoare annotation [2020-07-28 19:01:00,120 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L579-1 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L579-1 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L579-1 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L831 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L429-3 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L429-3 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L663-1 has no Hoare annotation [2020-07-28 19:01:00,121 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L663-1 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L663-1 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L637-3 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L637-3 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L544-2 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 19:01:00,122 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L667-1 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L784-9 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L611-7 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L611-7 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L544-2 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L544-2 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L453 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L453 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L667-1 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L667-1 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L784-9 has no Hoare annotation [2020-07-28 19:01:00,123 WARN L170 areAnnotationChecker]: L784-9 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L506-7 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L506-7 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L548-2 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L637-2 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L637-2 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L784-11 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L765-21 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L548-2 has no Hoare annotation [2020-07-28 19:01:00,124 WARN L170 areAnnotationChecker]: L548-2 has no Hoare annotation [2020-07-28 19:01:00,125 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 19:01:00,125 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:01:00,125 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 19:01:00,125 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 19:01:00,125 WARN L170 areAnnotationChecker]: L784-6 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L611-5 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L611-5 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L641-3 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L765-21 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L765-21 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L549-2 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L549-2 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L938 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L429 has no Hoare annotation [2020-07-28 19:01:00,126 WARN L170 areAnnotationChecker]: L663 has no Hoare annotation [2020-07-28 19:01:00,127 WARN L170 areAnnotationChecker]: L798 has no Hoare annotation [2020-07-28 19:01:00,127 WARN L170 areAnnotationChecker]: L798 has no Hoare annotation [2020-07-28 19:01:00,127 WARN L170 areAnnotationChecker]: L784-6 has no Hoare annotation [2020-07-28 19:01:00,127 WARN L170 areAnnotationChecker]: L784-6 has no Hoare annotation [2020-07-28 19:01:00,127 WARN L170 areAnnotationChecker]: L506-5 has no Hoare annotation [2020-07-28 19:01:00,127 WARN L170 areAnnotationChecker]: L506-5 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L641-3 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L641-3 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L765-23 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L410-1 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L410-1 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L941 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L941 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L663 has no Hoare annotation [2020-07-28 19:01:00,128 WARN L170 areAnnotationChecker]: L663 has no Hoare annotation [2020-07-28 19:01:00,130 WARN L170 areAnnotationChecker]: L784-8 has no Hoare annotation [2020-07-28 19:01:00,130 WARN L170 areAnnotationChecker]: L765-15 has no Hoare annotation [2020-07-28 19:01:00,130 WARN L170 areAnnotationChecker]: L611-6 has no Hoare annotation [2020-07-28 19:01:00,130 WARN L170 areAnnotationChecker]: L611-6 has no Hoare annotation [2020-07-28 19:01:00,130 WARN L170 areAnnotationChecker]: L615-7 has no Hoare annotation [2020-07-28 19:01:00,130 WARN L170 areAnnotationChecker]: L941-1 has no Hoare annotation [2020-07-28 19:01:00,130 WARN L170 areAnnotationChecker]: L941-1 has no Hoare annotation [2020-07-28 19:01:00,131 WARN L170 areAnnotationChecker]: L637-1 has no Hoare annotation [2020-07-28 19:01:00,131 WARN L170 areAnnotationChecker]: L637-1 has no Hoare annotation [2020-07-28 19:01:00,132 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 19:01:00,132 WARN L170 areAnnotationChecker]: L641-2 has no Hoare annotation [2020-07-28 19:01:00,132 WARN L170 areAnnotationChecker]: L765-15 has no Hoare annotation [2020-07-28 19:01:00,132 WARN L170 areAnnotationChecker]: L765-15 has no Hoare annotation [2020-07-28 19:01:00,132 WARN L170 areAnnotationChecker]: L506-6 has no Hoare annotation [2020-07-28 19:01:00,132 WARN L170 areAnnotationChecker]: L506-6 has no Hoare annotation [2020-07-28 19:01:00,132 WARN L170 areAnnotationChecker]: L615-7 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L615-7 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L429-6 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L429-6 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L663-2 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L611-3 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L611-3 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L641-2 has no Hoare annotation [2020-07-28 19:01:00,133 WARN L170 areAnnotationChecker]: L641-2 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L765-17 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L765-18 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L663-2 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L663-2 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L784-3 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L506-3 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L506-3 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L548 has no Hoare annotation [2020-07-28 19:01:00,134 WARN L170 areAnnotationChecker]: L611-4 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L611-4 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L615-5 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L765-18 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L765-18 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L637-5 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L637-5 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L544-4 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L784-5 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L765-9 has no Hoare annotation [2020-07-28 19:01:00,135 WARN L170 areAnnotationChecker]: L548 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L548 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L506-4 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L506-4 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L615-5 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L615-5 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L765-20 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L667-2 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L784-15 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L611-11 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L611-11 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L544-4 has no Hoare annotation [2020-07-28 19:01:00,136 WARN L170 areAnnotationChecker]: L544-4 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L611-1 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L611-1 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L641-1 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L765-9 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L765-9 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L549 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L549 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L765-12 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L615-6 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L667-2 has no Hoare annotation [2020-07-28 19:01:00,137 WARN L170 areAnnotationChecker]: L667-2 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L784-15 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L784-15 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L506-11 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L506-11 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L548-4 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L641-1 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L641-1 has no Hoare annotation [2020-07-28 19:01:00,138 WARN L170 areAnnotationChecker]: L765-11 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L410 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L765-12 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L765-12 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L615-6 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L615-6 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L637-4 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L637-4 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L784-17 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L765-33 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L548-4 has no Hoare annotation [2020-07-28 19:01:00,139 WARN L170 areAnnotationChecker]: L548-4 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L784-2 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L765-3 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L611-2 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L611-2 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L615-3 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L765-14 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L784-12 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L611-9 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L611-9 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L641-5 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L765-33 has no Hoare annotation [2020-07-28 19:01:00,140 WARN L170 areAnnotationChecker]: L765-33 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L549-4 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L549-4 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L765-3 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L765-3 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L506-2 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L615-3 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L615-3 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L615-4 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L784-12 has no Hoare annotation [2020-07-28 19:01:00,141 WARN L170 areAnnotationChecker]: L784-12 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L506-9 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L506-9 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L641-5 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L641-5 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L765-35 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L410-2 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L410-2 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L765-5 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L765-6 has no Hoare annotation [2020-07-28 19:01:00,142 WARN L170 areAnnotationChecker]: L615-4 has no Hoare annotation [2020-07-28 19:01:00,143 WARN L170 areAnnotationChecker]: L615-4 has no Hoare annotation [2020-07-28 19:01:00,143 WARN L170 areAnnotationChecker]: L784-14 has no Hoare annotation [2020-07-28 19:01:00,143 WARN L170 areAnnotationChecker]: L765-27 has no Hoare annotation [2020-07-28 19:01:00,143 WARN L170 areAnnotationChecker]: L611-10 has no Hoare annotation [2020-07-28 19:01:00,143 WARN L170 areAnnotationChecker]: L611-10 has no Hoare annotation [2020-07-28 19:01:00,145 WARN L170 areAnnotationChecker]: L615-11 has no Hoare annotation [2020-07-28 19:01:00,145 WARN L170 areAnnotationChecker]: L611 has no Hoare annotation [2020-07-28 19:01:00,145 WARN L170 areAnnotationChecker]: L611 has no Hoare annotation [2020-07-28 19:01:00,145 WARN L170 areAnnotationChecker]: L615-1 has no Hoare annotation [2020-07-28 19:01:00,145 WARN L170 areAnnotationChecker]: L765-6 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L765-6 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L641-4 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L765-27 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L765-27 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L506-10 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L506-10 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L615-11 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L615-11 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L615-1 has no Hoare annotation [2020-07-28 19:01:00,146 WARN L170 areAnnotationChecker]: L615-1 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L765-8 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L641-4 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L641-4 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L765-29 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L765-30 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L615-2 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L611-8 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L611-8 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L615-9 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L765-30 has no Hoare annotation [2020-07-28 19:01:00,147 WARN L170 areAnnotationChecker]: L765-30 has no Hoare annotation [2020-07-28 19:01:00,148 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-28 19:01:00,148 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-28 19:01:00,148 WARN L170 areAnnotationChecker]: L615-2 has no Hoare annotation [2020-07-28 19:01:00,148 WARN L170 areAnnotationChecker]: L615-2 has no Hoare annotation [2020-07-28 19:01:00,148 WARN L170 areAnnotationChecker]: L506-8 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L506-8 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L615-9 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L615-9 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L765-32 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L765-2 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L765-24 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L615-10 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L765-24 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L765-24 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L615-10 has no Hoare annotation [2020-07-28 19:01:00,149 WARN L170 areAnnotationChecker]: L615-10 has no Hoare annotation [2020-07-28 19:01:00,150 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-28 19:01:00,150 WARN L170 areAnnotationChecker]: L615 has no Hoare annotation [2020-07-28 19:01:00,150 WARN L170 areAnnotationChecker]: L765-26 has no Hoare annotation [2020-07-28 19:01:00,150 WARN L170 areAnnotationChecker]: L615-8 has no Hoare annotation [2020-07-28 19:01:00,150 WARN L170 areAnnotationChecker]: L615-8 has no Hoare annotation [2020-07-28 19:01:00,150 WARN L170 areAnnotationChecker]: L615-8 has no Hoare annotation [2020-07-28 19:01:00,150 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:00,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:00 BoogieIcfgContainer [2020-07-28 19:01:00,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:00,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:00,195 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:00,195 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:00,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:00:23" (3/4) ... [2020-07-28 19:01:00,200 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:01:00,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:01:00,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:01:00,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:01:00,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:01:00,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:01:00,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:01:00,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:01:00,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel [2020-07-28 19:01:00,271 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel [2020-07-28 19:01:00,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel [2020-07-28 19:01:00,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && 0 == tmp) && 0 == pumpRunning) && 0 == \result) || (((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == tmp) && 0 == \result)) || ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && 0 == pumpRunning)) || ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning)) || ((((((1 == tmp && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == pumpRunning)) [2020-07-28 19:01:00,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && 0 == tmp) && 0 == pumpRunning) && 0 == \result) || (((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == tmp) && 0 == \result)) || ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && 0 == pumpRunning)) || ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning)) || ((((((1 == tmp && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == pumpRunning)) [2020-07-28 19:01:00,273 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) || ((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive))) || (((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == \result)) && !(0 == pumpRunning))) || ((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) [2020-07-28 19:01:00,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning))) || ((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && 0 == systemActive) && 0 == pumpRunning)) || (((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == \result)) && !(0 == pumpRunning)) [2020-07-28 19:01:00,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) || ((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && 0 == systemActive) && 0 == pumpRunning)) || (((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == \result)) && !(0 == pumpRunning))) || ((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) [2020-07-28 19:01:00,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) || ((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result)) || ((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) [2020-07-28 19:01:00,275 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == tmp && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning [2020-07-28 19:01:00,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == \result)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 0 == \result)) || (((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && 0 == pumpRunning) [2020-07-28 19:01:00,277 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result) || ((((((1 == tmp && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == pumpRunning)) [2020-07-28 19:01:00,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == \result)) && !(0 == pumpRunning)) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result) [2020-07-28 19:01:00,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && 0 == \result) && 0 == pumpRunning) || (((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == pumpRunning)) [2020-07-28 19:01:00,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) || (((((1 == tmp && 1 == \result) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) [2020-07-28 19:01:00,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && 0 == tmp___0) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 0 == pumpRunning) || (((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) [2020-07-28 19:01:00,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result [2020-07-28 19:01:00,284 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result [2020-07-28 19:01:00,391 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:00,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:00,393 INFO L168 Benchmark]: Toolchain (without parser) took 39731.08 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 652.7 MB). Free memory was 961.6 MB in the beginning and 1.5 GB in the end (delta: -509.7 MB). Peak memory consumption was 143.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:00,394 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:00,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:00,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.14 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:00,395 INFO L168 Benchmark]: Boogie Preprocessor took 71.99 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:00,396 INFO L168 Benchmark]: RCFGBuilder took 2120.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.2 MB in the end (delta: 237.2 MB). Peak memory consumption was 237.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:00,396 INFO L168 Benchmark]: TraceAbstraction took 36481.19 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 508.0 MB). Free memory was 875.2 MB in the beginning and 1.5 GB in the end (delta: -612.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:00,397 INFO L168 Benchmark]: Witness Printer took 196.10 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:00,400 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 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 711.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.14 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.99 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2120.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.2 MB in the end (delta: 237.2 MB). Peak memory consumption was 237.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36481.19 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 508.0 MB). Free memory was 875.2 MB in the beginning and 1.5 GB in the end (delta: -612.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 196.10 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 410]: 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: 916]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && 0 == \result) && 0 == pumpRunning) || (((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == pumpRunning)) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((1 == tmp && 0 == tmp___0) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == \result) && 0 == pumpRunning) || (((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && 0 == tmp) && 0 == pumpRunning) && 0 == \result) || (((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == tmp) && 0 == \result)) || ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && 0 == pumpRunning)) || ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning)) || ((((((1 == tmp && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == pumpRunning)) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning))) || ((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && 0 == systemActive) && 0 == pumpRunning)) || (((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == \result)) && !(0 == pumpRunning)) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: ((1 == tmp && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) || ((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive))) || (((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == \result)) && !(0 == pumpRunning))) || ((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == methAndRunningLastTime) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) || ((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && 0 == systemActive) && 0 == pumpRunning)) || (((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == \result)) && !(0 == pumpRunning))) || ((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((((1 == tmp && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == \result)) && !(0 == pumpRunning)) || ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result) - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: ((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) || ((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result)) || ((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && !(0 == pumpRunning)) && 0 == \result) || ((((((1 == tmp && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == pumpRunning)) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: ((((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == \result)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 0 == \result)) || (((((1 == tmp && 0 == splverifierCounter) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && 0 == pumpRunning) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && 0 == tmp) && 0 == pumpRunning) && 0 == \result) || (((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == tmp) && 0 == \result)) || ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && 0 == pumpRunning)) || ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning)) || ((((((1 == tmp && 0 == splverifierCounter) && !(0 == systemActive)) && 1 == \result) && !(0 == \result)) && !(0 == methaneLevelCritical)) && !(0 == pumpRunning)) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methAndRunningLastTime) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) || (((((1 == tmp && 1 == \result) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning)) || (((((1 == tmp && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == \result) && !(0 == systemActive)) && 0 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && !(0 == systemActive)) && 0 == pumpRunning) && 1 == waterLevel - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.9s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1675 SDtfs, 2081 SDslu, 2243 SDs, 0 SdLazy, 312 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 905 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 408 NumberOfFragments, 1090 HoareAnnotationTreeSize, 69 FomulaSimplifications, 477541 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 69 FomulaSimplificationsInter, 103851 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 453 ConstructedInterpolants, 0 QuantifiedInterpolants, 35774 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 67/67 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...