./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product48.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 79b21ff72ec330797470eae9e06bb1504f09bc51 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:58:21,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:58:21,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:58:21,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:58:21,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:58:21,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:58:21,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:58:21,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:58:21,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:58:21,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:58:21,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:58:21,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:58:21,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:58:21,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:58:21,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:58:21,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:58:21,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:58:21,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:58:21,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:58:21,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:58:21,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:58:21,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:58:21,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:58:21,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:58:21,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:58:21,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:58:21,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:58:21,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:58:21,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:58:21,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:58:21,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:58:21,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:58:21,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:58:21,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:58:21,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:58:21,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:58:21,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:58:21,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:58:21,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:58:21,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:58:21,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:58:21,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:58:21,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:58:21,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:58:21,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:58:21,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:58:21,767 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:58:21,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:58:21,767 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:58:21,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:58:21,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:58:21,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:58:21,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:58:21,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:58:21,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:58:21,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:58:21,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:58:21,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:58:21,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:58:21,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:58:21,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:58:21,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:58:21,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:58:21,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:21,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:58:21,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:58:21,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:58:21,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:58:21,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:58:21,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:58:21,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:58:21,775 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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2020-07-28 18:58:22,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:58:22,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:58:22,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:58:22,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:58:22,108 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:58:22,109 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-07-28 18:58:22,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d62d7945/7490ad315986402bb2073cbdd08960e6/FLAG4372a5a6c [2020-07-28 18:58:22,664 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:58:22,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-07-28 18:58:22,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d62d7945/7490ad315986402bb2073cbdd08960e6/FLAG4372a5a6c [2020-07-28 18:58:22,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d62d7945/7490ad315986402bb2073cbdd08960e6 [2020-07-28 18:58:22,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:58:22,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:58:22,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:22,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:58:22,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:58:23,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:22" (1/1) ... [2020-07-28 18:58:23,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644edd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23, skipping insertion in model container [2020-07-28 18:58:23,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:58:22" (1/1) ... [2020-07-28 18:58:23,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:58:23,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:58:23,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:23,472 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:58:23,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:58:23,632 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:58:23,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23 WrapperNode [2020-07-28 18:58:23,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:58:23,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:23,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:58:23,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:58:23,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:58:23,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:58:23,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:58:23,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:58:23,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... [2020-07-28 18:58:23,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:58:23,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:58:23,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:58:23,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:58:23,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:58:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:58:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 18:58:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:58:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:58:25,475 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:58:25,475 INFO L295 CfgBuilder]: Removed 198 assume(true) statements. [2020-07-28 18:58:25,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:25 BoogieIcfgContainer [2020-07-28 18:58:25,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:58:25,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:58:25,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:58:25,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:58:25,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:58:22" (1/3) ... [2020-07-28 18:58:25,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dde7502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:25, skipping insertion in model container [2020-07-28 18:58:25,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:58:23" (2/3) ... [2020-07-28 18:58:25,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dde7502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:58:25, skipping insertion in model container [2020-07-28 18:58:25,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:25" (3/3) ... [2020-07-28 18:58:25,490 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2020-07-28 18:58:25,502 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:58:25,512 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 18:58:25,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 18:58:25,555 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:58:25,556 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:58:25,556 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:58:25,556 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:58:25,557 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:58:25,557 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:58:25,557 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:58:25,558 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:58:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-07-28 18:58:25,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 18:58:25,584 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:25,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:25,585 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:25,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:25,592 INFO L82 PathProgramCache]: Analyzing trace with hash 325683581, now seen corresponding path program 1 times [2020-07-28 18:58:25,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:25,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118567291] [2020-07-28 18:58:25,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:25,961 INFO L280 TraceCheckUtils]: 0: Hoare triple {134#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {134#true} is VALID [2020-07-28 18:58:25,962 INFO L280 TraceCheckUtils]: 1: Hoare triple {134#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {134#true} is VALID [2020-07-28 18:58:25,962 INFO L280 TraceCheckUtils]: 2: Hoare triple {134#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {134#true} is VALID [2020-07-28 18:58:25,963 INFO L280 TraceCheckUtils]: 3: Hoare triple {134#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {134#true} is VALID [2020-07-28 18:58:25,963 INFO L280 TraceCheckUtils]: 4: Hoare triple {134#true} assume 0 != main_~tmp~0; {134#true} is VALID [2020-07-28 18:58:25,964 INFO L280 TraceCheckUtils]: 5: Hoare triple {134#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {134#true} is VALID [2020-07-28 18:58:25,965 INFO L280 TraceCheckUtils]: 6: Hoare triple {134#true} assume !true; {135#false} is VALID [2020-07-28 18:58:25,966 INFO L280 TraceCheckUtils]: 7: Hoare triple {135#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {135#false} is VALID [2020-07-28 18:58:25,966 INFO L280 TraceCheckUtils]: 8: Hoare triple {135#false} assume !(0 != ~pumpRunning~0); {135#false} is VALID [2020-07-28 18:58:25,967 INFO L280 TraceCheckUtils]: 9: Hoare triple {135#false} assume !(0 != ~systemActive~0); {135#false} is VALID [2020-07-28 18:58:25,967 INFO L280 TraceCheckUtils]: 10: Hoare triple {135#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {135#false} is VALID [2020-07-28 18:58:25,968 INFO L280 TraceCheckUtils]: 11: Hoare triple {135#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {135#false} is VALID [2020-07-28 18:58:25,968 INFO L280 TraceCheckUtils]: 12: Hoare triple {135#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {135#false} is VALID [2020-07-28 18:58:25,969 INFO L280 TraceCheckUtils]: 13: Hoare triple {135#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {135#false} is VALID [2020-07-28 18:58:25,969 INFO L280 TraceCheckUtils]: 14: Hoare triple {135#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {135#false} is VALID [2020-07-28 18:58:25,969 INFO L280 TraceCheckUtils]: 15: Hoare triple {135#false} assume !false; {135#false} is VALID [2020-07-28 18:58:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:25,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118567291] [2020-07-28 18:58:25,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:25,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:25,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72119033] [2020-07-28 18:58:25,983 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:25,984 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:25,988 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 18:58:26,031 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:26,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 18:58:26,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:26,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 18:58:26,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:26,045 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2020-07-28 18:58:26,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:26,449 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2020-07-28 18:58:26,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 18:58:26,449 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 18:58:26,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 383 transitions. [2020-07-28 18:58:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 18:58:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 383 transitions. [2020-07-28 18:58:26,477 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 383 transitions. [2020-07-28 18:58:26,978 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 383 edges. 383 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:26,994 INFO L225 Difference]: With dead ends: 256 [2020-07-28 18:58:26,995 INFO L226 Difference]: Without dead ends: 127 [2020-07-28 18:58:26,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 18:58:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-28 18:58:27,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-28 18:58:27,074 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:27,075 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 127 states. [2020-07-28 18:58:27,075 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 127 states. [2020-07-28 18:58:27,075 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 127 states. [2020-07-28 18:58:27,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,085 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-07-28 18:58:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-07-28 18:58:27,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,087 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 127 states. [2020-07-28 18:58:27,087 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 127 states. [2020-07-28 18:58:27,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,095 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-07-28 18:58:27,095 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-07-28 18:58:27,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,097 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,097 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:27,097 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-28 18:58:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2020-07-28 18:58:27,106 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2020-07-28 18:58:27,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:27,107 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2020-07-28 18:58:27,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 18:58:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-07-28 18:58:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 18:58:27,108 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:27,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:27,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:58:27,109 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:27,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:27,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1302516555, now seen corresponding path program 1 times [2020-07-28 18:58:27,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:27,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449105633] [2020-07-28 18:58:27,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:27,279 INFO L280 TraceCheckUtils]: 0: Hoare triple {938#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {938#true} is VALID [2020-07-28 18:58:27,280 INFO L280 TraceCheckUtils]: 1: Hoare triple {938#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {938#true} is VALID [2020-07-28 18:58:27,280 INFO L280 TraceCheckUtils]: 2: Hoare triple {938#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {938#true} is VALID [2020-07-28 18:58:27,280 INFO L280 TraceCheckUtils]: 3: Hoare triple {938#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {938#true} is VALID [2020-07-28 18:58:27,281 INFO L280 TraceCheckUtils]: 4: Hoare triple {938#true} assume 0 != main_~tmp~0; {938#true} is VALID [2020-07-28 18:58:27,282 INFO L280 TraceCheckUtils]: 5: Hoare triple {938#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {940#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:27,283 INFO L280 TraceCheckUtils]: 6: Hoare triple {940#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {940#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 18:58:27,284 INFO L280 TraceCheckUtils]: 7: Hoare triple {940#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {939#false} is VALID [2020-07-28 18:58:27,284 INFO L280 TraceCheckUtils]: 8: Hoare triple {939#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {939#false} is VALID [2020-07-28 18:58:27,284 INFO L280 TraceCheckUtils]: 9: Hoare triple {939#false} assume !(0 != ~pumpRunning~0); {939#false} is VALID [2020-07-28 18:58:27,285 INFO L280 TraceCheckUtils]: 10: Hoare triple {939#false} assume !(0 != ~systemActive~0); {939#false} is VALID [2020-07-28 18:58:27,285 INFO L280 TraceCheckUtils]: 11: Hoare triple {939#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {939#false} is VALID [2020-07-28 18:58:27,285 INFO L280 TraceCheckUtils]: 12: Hoare triple {939#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {939#false} is VALID [2020-07-28 18:58:27,285 INFO L280 TraceCheckUtils]: 13: Hoare triple {939#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {939#false} is VALID [2020-07-28 18:58:27,286 INFO L280 TraceCheckUtils]: 14: Hoare triple {939#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {939#false} is VALID [2020-07-28 18:58:27,286 INFO L280 TraceCheckUtils]: 15: Hoare triple {939#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {939#false} is VALID [2020-07-28 18:58:27,286 INFO L280 TraceCheckUtils]: 16: Hoare triple {939#false} assume !false; {939#false} is VALID [2020-07-28 18:58:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:27,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449105633] [2020-07-28 18:58:27,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:27,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:27,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969126016] [2020-07-28 18:58:27,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:27,293 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:27,294 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:27,325 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:27,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:27,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:27,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:27,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:27,327 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 3 states. [2020-07-28 18:58:27,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,555 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-07-28 18:58:27,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:27,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 18:58:27,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 183 transitions. [2020-07-28 18:58:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 183 transitions. [2020-07-28 18:58:27,563 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 183 transitions. [2020-07-28 18:58:27,763 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:27,764 INFO L225 Difference]: With dead ends: 127 [2020-07-28 18:58:27,765 INFO L226 Difference]: Without dead ends: 53 [2020-07-28 18:58:27,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:27,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-28 18:58:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-07-28 18:58:27,786 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:27,786 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:27,786 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:27,787 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:27,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,789 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 18:58:27,789 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:27,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,790 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,790 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:27,791 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 53 states. [2020-07-28 18:58:27,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:27,793 INFO L93 Difference]: Finished difference Result 53 states and 76 transitions. [2020-07-28 18:58:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:27,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:27,794 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:27,795 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:27,795 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-28 18:58:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-07-28 18:58:27,798 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-07-28 18:58:27,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:27,798 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-07-28 18:58:27,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-07-28 18:58:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 18:58:27,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:27,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:27,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 18:58:27,801 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:27,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:27,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1189907750, now seen corresponding path program 1 times [2020-07-28 18:58:27,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:27,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056461876] [2020-07-28 18:58:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:27,898 INFO L280 TraceCheckUtils]: 0: Hoare triple {1305#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1305#true} is VALID [2020-07-28 18:58:27,899 INFO L280 TraceCheckUtils]: 1: Hoare triple {1305#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {1305#true} is VALID [2020-07-28 18:58:27,899 INFO L280 TraceCheckUtils]: 2: Hoare triple {1305#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1305#true} is VALID [2020-07-28 18:58:27,899 INFO L280 TraceCheckUtils]: 3: Hoare triple {1305#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1305#true} is VALID [2020-07-28 18:58:27,900 INFO L280 TraceCheckUtils]: 4: Hoare triple {1305#true} assume 0 != main_~tmp~0; {1305#true} is VALID [2020-07-28 18:58:27,900 INFO L280 TraceCheckUtils]: 5: Hoare triple {1305#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1305#true} is VALID [2020-07-28 18:58:27,901 INFO L280 TraceCheckUtils]: 6: Hoare triple {1305#true} assume !false; {1305#true} is VALID [2020-07-28 18:58:27,901 INFO L280 TraceCheckUtils]: 7: Hoare triple {1305#true} assume test_~splverifierCounter~0 < 4; {1305#true} is VALID [2020-07-28 18:58:27,901 INFO L280 TraceCheckUtils]: 8: Hoare triple {1305#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {1305#true} is VALID [2020-07-28 18:58:27,902 INFO L280 TraceCheckUtils]: 9: Hoare triple {1305#true} assume !(0 != test_~tmp~9); {1305#true} is VALID [2020-07-28 18:58:27,902 INFO L280 TraceCheckUtils]: 10: Hoare triple {1305#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {1305#true} is VALID [2020-07-28 18:58:27,902 INFO L280 TraceCheckUtils]: 11: Hoare triple {1305#true} assume !(0 != test_~tmp___0~2); {1305#true} is VALID [2020-07-28 18:58:27,902 INFO L280 TraceCheckUtils]: 12: Hoare triple {1305#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {1305#true} is VALID [2020-07-28 18:58:27,904 INFO L280 TraceCheckUtils]: 13: Hoare triple {1305#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1307#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:27,904 INFO L280 TraceCheckUtils]: 14: Hoare triple {1307#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1307#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:27,905 INFO L280 TraceCheckUtils]: 15: Hoare triple {1307#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1306#false} is VALID [2020-07-28 18:58:27,906 INFO L280 TraceCheckUtils]: 16: Hoare triple {1306#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1306#false} is VALID [2020-07-28 18:58:27,906 INFO L280 TraceCheckUtils]: 17: Hoare triple {1306#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {1306#false} is VALID [2020-07-28 18:58:27,906 INFO L280 TraceCheckUtils]: 18: Hoare triple {1306#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {1306#false} is VALID [2020-07-28 18:58:27,906 INFO L280 TraceCheckUtils]: 19: Hoare triple {1306#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {1306#false} is VALID [2020-07-28 18:58:27,907 INFO L280 TraceCheckUtils]: 20: Hoare triple {1306#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1306#false} is VALID [2020-07-28 18:58:27,907 INFO L280 TraceCheckUtils]: 21: Hoare triple {1306#false} assume !false; {1306#false} is VALID [2020-07-28 18:58:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:27,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056461876] [2020-07-28 18:58:27,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:27,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:27,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848414601] [2020-07-28 18:58:27,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:27,911 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:27,911 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:27,943 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:27,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:27,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:27,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:27,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:27,945 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-07-28 18:58:28,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,200 INFO L93 Difference]: Finished difference Result 147 states and 216 transitions. [2020-07-28 18:58:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:28,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 18:58:28,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2020-07-28 18:58:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2020-07-28 18:58:28,209 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 216 transitions. [2020-07-28 18:58:28,438 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 216 edges. 216 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:28,442 INFO L225 Difference]: With dead ends: 147 [2020-07-28 18:58:28,442 INFO L226 Difference]: Without dead ends: 100 [2020-07-28 18:58:28,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:28,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-07-28 18:58:28,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2020-07-28 18:58:28,500 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:28,500 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand 96 states. [2020-07-28 18:58:28,500 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand 96 states. [2020-07-28 18:58:28,500 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 96 states. [2020-07-28 18:58:28,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,504 INFO L93 Difference]: Finished difference Result 100 states and 145 transitions. [2020-07-28 18:58:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2020-07-28 18:58:28,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:28,505 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:28,506 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 100 states. [2020-07-28 18:58:28,506 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 100 states. [2020-07-28 18:58:28,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,510 INFO L93 Difference]: Finished difference Result 100 states and 145 transitions. [2020-07-28 18:58:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2020-07-28 18:58:28,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:28,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:28,511 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:28,511 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-28 18:58:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2020-07-28 18:58:28,515 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 22 [2020-07-28 18:58:28,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:28,515 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2020-07-28 18:58:28,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:28,515 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2020-07-28 18:58:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 18:58:28,516 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:28,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:28,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 18:58:28,516 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:28,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:28,517 INFO L82 PathProgramCache]: Analyzing trace with hash 752688312, now seen corresponding path program 1 times [2020-07-28 18:58:28,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:28,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778293902] [2020-07-28 18:58:28,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:28,575 INFO L280 TraceCheckUtils]: 0: Hoare triple {1853#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,576 INFO L280 TraceCheckUtils]: 1: Hoare triple {1855#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,577 INFO L280 TraceCheckUtils]: 2: Hoare triple {1855#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,577 INFO L280 TraceCheckUtils]: 3: Hoare triple {1855#(= 0 ~pumpRunning~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,578 INFO L280 TraceCheckUtils]: 4: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,579 INFO L280 TraceCheckUtils]: 5: Hoare triple {1855#(= 0 ~pumpRunning~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,579 INFO L280 TraceCheckUtils]: 6: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume !false; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,580 INFO L280 TraceCheckUtils]: 7: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,580 INFO L280 TraceCheckUtils]: 8: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,581 INFO L280 TraceCheckUtils]: 9: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~9); {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,581 INFO L280 TraceCheckUtils]: 10: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,582 INFO L280 TraceCheckUtils]: 11: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,583 INFO L280 TraceCheckUtils]: 12: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,583 INFO L280 TraceCheckUtils]: 13: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,584 INFO L280 TraceCheckUtils]: 14: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,584 INFO L280 TraceCheckUtils]: 15: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,585 INFO L280 TraceCheckUtils]: 16: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {1855#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:28,586 INFO L280 TraceCheckUtils]: 17: Hoare triple {1855#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1854#false} is VALID [2020-07-28 18:58:28,586 INFO L280 TraceCheckUtils]: 18: Hoare triple {1854#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {1854#false} is VALID [2020-07-28 18:58:28,586 INFO L280 TraceCheckUtils]: 19: Hoare triple {1854#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {1854#false} is VALID [2020-07-28 18:58:28,586 INFO L280 TraceCheckUtils]: 20: Hoare triple {1854#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {1854#false} is VALID [2020-07-28 18:58:28,587 INFO L280 TraceCheckUtils]: 21: Hoare triple {1854#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {1854#false} is VALID [2020-07-28 18:58:28,587 INFO L280 TraceCheckUtils]: 22: Hoare triple {1854#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {1854#false} is VALID [2020-07-28 18:58:28,587 INFO L280 TraceCheckUtils]: 23: Hoare triple {1854#false} assume !false; {1854#false} is VALID [2020-07-28 18:58:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:28,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778293902] [2020-07-28 18:58:28,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:28,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:28,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196993642] [2020-07-28 18:58:28,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:28,590 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:28,590 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:28,620 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:28,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:28,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:28,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:28,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:28,621 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand 3 states. [2020-07-28 18:58:28,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:28,864 INFO L93 Difference]: Finished difference Result 227 states and 338 transitions. [2020-07-28 18:58:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:28,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 18:58:28,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2020-07-28 18:58:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2020-07-28 18:58:28,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 179 transitions. [2020-07-28 18:58:29,068 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 179 edges. 179 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:29,072 INFO L225 Difference]: With dead ends: 227 [2020-07-28 18:58:29,072 INFO L226 Difference]: Without dead ends: 137 [2020-07-28 18:58:29,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:29,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-28 18:58:29,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2020-07-28 18:58:29,170 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:29,170 INFO L82 GeneralOperation]: Start isEquivalent. First operand 137 states. Second operand 135 states. [2020-07-28 18:58:29,170 INFO L74 IsIncluded]: Start isIncluded. First operand 137 states. Second operand 135 states. [2020-07-28 18:58:29,170 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 135 states. [2020-07-28 18:58:29,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:29,175 INFO L93 Difference]: Finished difference Result 137 states and 196 transitions. [2020-07-28 18:58:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2020-07-28 18:58:29,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:29,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:29,176 INFO L74 IsIncluded]: Start isIncluded. First operand 135 states. Second operand 137 states. [2020-07-28 18:58:29,176 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 137 states. [2020-07-28 18:58:29,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:29,181 INFO L93 Difference]: Finished difference Result 137 states and 196 transitions. [2020-07-28 18:58:29,182 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2020-07-28 18:58:29,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:29,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:29,182 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:29,183 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-28 18:58:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 195 transitions. [2020-07-28 18:58:29,188 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 195 transitions. Word has length 24 [2020-07-28 18:58:29,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:29,188 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 195 transitions. [2020-07-28 18:58:29,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2020-07-28 18:58:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 18:58:29,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:29,190 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] [2020-07-28 18:58:29,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 18:58:29,190 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:29,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:29,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1744683281, now seen corresponding path program 1 times [2020-07-28 18:58:29,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:29,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101047827] [2020-07-28 18:58:29,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:29,303 INFO L280 TraceCheckUtils]: 0: Hoare triple {2643#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,306 INFO L280 TraceCheckUtils]: 1: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,306 INFO L280 TraceCheckUtils]: 2: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,307 INFO L280 TraceCheckUtils]: 3: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,308 INFO L280 TraceCheckUtils]: 4: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~0; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,308 INFO L280 TraceCheckUtils]: 5: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,309 INFO L280 TraceCheckUtils]: 6: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume !false; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,310 INFO L280 TraceCheckUtils]: 7: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,310 INFO L280 TraceCheckUtils]: 8: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,311 INFO L280 TraceCheckUtils]: 9: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~9); {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,312 INFO L280 TraceCheckUtils]: 10: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,313 INFO L280 TraceCheckUtils]: 11: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~2); {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,314 INFO L280 TraceCheckUtils]: 12: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,317 INFO L280 TraceCheckUtils]: 13: Hoare triple {2645#(= 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; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,319 INFO L280 TraceCheckUtils]: 14: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___1~0; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,320 INFO L280 TraceCheckUtils]: 15: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,322 INFO L280 TraceCheckUtils]: 16: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} ~systemActive~0 := 0; {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,324 INFO L280 TraceCheckUtils]: 17: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,325 INFO L280 TraceCheckUtils]: 18: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~systemActive~0); {2645#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:29,326 INFO L280 TraceCheckUtils]: 19: Hoare triple {2645#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {2646#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:29,327 INFO L280 TraceCheckUtils]: 20: Hoare triple {2646#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {2647#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)} is VALID [2020-07-28 18:58:29,328 INFO L280 TraceCheckUtils]: 21: Hoare triple {2647#(= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {2644#false} is VALID [2020-07-28 18:58:29,328 INFO L280 TraceCheckUtils]: 22: Hoare triple {2644#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {2644#false} is VALID [2020-07-28 18:58:29,329 INFO L280 TraceCheckUtils]: 23: Hoare triple {2644#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {2644#false} is VALID [2020-07-28 18:58:29,329 INFO L280 TraceCheckUtils]: 24: Hoare triple {2644#false} assume !false; {2644#false} is VALID [2020-07-28 18:58:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:29,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101047827] [2020-07-28 18:58:29,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:29,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:29,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498398823] [2020-07-28 18:58:29,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:29,333 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:29,333 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:29,372 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:29,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:29,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:29,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:29,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:29,374 INFO L87 Difference]: Start difference. First operand 135 states and 195 transitions. Second operand 5 states. [2020-07-28 18:58:30,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:30,611 INFO L93 Difference]: Finished difference Result 676 states and 993 transitions. [2020-07-28 18:58:30,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 18:58:30,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 18:58:30,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 388 transitions. [2020-07-28 18:58:30,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 388 transitions. [2020-07-28 18:58:30,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 388 transitions. [2020-07-28 18:58:31,072 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 388 edges. 388 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:31,096 INFO L225 Difference]: With dead ends: 676 [2020-07-28 18:58:31,096 INFO L226 Difference]: Without dead ends: 547 [2020-07-28 18:58:31,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-07-28 18:58:31,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 254. [2020-07-28 18:58:31,366 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:31,366 INFO L82 GeneralOperation]: Start isEquivalent. First operand 547 states. Second operand 254 states. [2020-07-28 18:58:31,366 INFO L74 IsIncluded]: Start isIncluded. First operand 547 states. Second operand 254 states. [2020-07-28 18:58:31,366 INFO L87 Difference]: Start difference. First operand 547 states. Second operand 254 states. [2020-07-28 18:58:31,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:31,397 INFO L93 Difference]: Finished difference Result 547 states and 795 transitions. [2020-07-28 18:58:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 795 transitions. [2020-07-28 18:58:31,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:31,399 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:31,399 INFO L74 IsIncluded]: Start isIncluded. First operand 254 states. Second operand 547 states. [2020-07-28 18:58:31,399 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 547 states. [2020-07-28 18:58:31,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:31,424 INFO L93 Difference]: Finished difference Result 547 states and 795 transitions. [2020-07-28 18:58:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 795 transitions. [2020-07-28 18:58:31,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:31,426 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:31,426 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:31,426 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-07-28 18:58:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 363 transitions. [2020-07-28 18:58:31,436 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 363 transitions. Word has length 25 [2020-07-28 18:58:31,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:31,436 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 363 transitions. [2020-07-28 18:58:31,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:31,437 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 363 transitions. [2020-07-28 18:58:31,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 18:58:31,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:31,438 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] [2020-07-28 18:58:31,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 18:58:31,439 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:31,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:31,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1948490375, now seen corresponding path program 1 times [2020-07-28 18:58:31,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:31,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92652856] [2020-07-28 18:58:31,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:31,531 INFO L280 TraceCheckUtils]: 0: Hoare triple {5072#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,532 INFO L280 TraceCheckUtils]: 1: Hoare triple {5074#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,533 INFO L280 TraceCheckUtils]: 2: Hoare triple {5074#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,537 INFO L280 TraceCheckUtils]: 3: Hoare triple {5074#(= 0 ~pumpRunning~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,538 INFO L280 TraceCheckUtils]: 4: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~0; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,539 INFO L280 TraceCheckUtils]: 5: Hoare triple {5074#(= 0 ~pumpRunning~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,539 INFO L280 TraceCheckUtils]: 6: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume !false; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,540 INFO L280 TraceCheckUtils]: 7: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,540 INFO L280 TraceCheckUtils]: 8: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,541 INFO L280 TraceCheckUtils]: 9: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~9); {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,542 INFO L280 TraceCheckUtils]: 10: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,542 INFO L280 TraceCheckUtils]: 11: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___0~2; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,543 INFO L280 TraceCheckUtils]: 12: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,544 INFO L280 TraceCheckUtils]: 13: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,545 INFO L280 TraceCheckUtils]: 14: Hoare triple {5074#(= 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; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,545 INFO L280 TraceCheckUtils]: 15: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,558 INFO L280 TraceCheckUtils]: 16: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,559 INFO L280 TraceCheckUtils]: 17: Hoare triple {5074#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,559 INFO L280 TraceCheckUtils]: 18: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,560 INFO L280 TraceCheckUtils]: 19: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,561 INFO L280 TraceCheckUtils]: 20: Hoare triple {5074#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,562 INFO L280 TraceCheckUtils]: 21: Hoare triple {5074#(= 0 ~pumpRunning~0)} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {5074#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 18:58:31,562 INFO L280 TraceCheckUtils]: 22: Hoare triple {5074#(= 0 ~pumpRunning~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {5075#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 18:58:31,563 INFO L280 TraceCheckUtils]: 23: Hoare triple {5075#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {5076#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} is VALID [2020-07-28 18:58:31,566 INFO L280 TraceCheckUtils]: 24: Hoare triple {5076#(= 0 ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {5073#false} is VALID [2020-07-28 18:58:31,566 INFO L280 TraceCheckUtils]: 25: Hoare triple {5073#false} assume !false; {5073#false} is VALID [2020-07-28 18:58:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:31,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92652856] [2020-07-28 18:58:31,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:31,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 18:58:31,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063414292] [2020-07-28 18:58:31,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:31,570 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:31,570 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:31,602 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:31,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:31,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:31,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:31,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:31,603 INFO L87 Difference]: Start difference. First operand 254 states and 363 transitions. Second operand 5 states. [2020-07-28 18:58:33,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,238 INFO L93 Difference]: Finished difference Result 744 states and 1066 transitions. [2020-07-28 18:58:33,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:33,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 18:58:33,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 302 transitions. [2020-07-28 18:58:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 302 transitions. [2020-07-28 18:58:33,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 302 transitions. [2020-07-28 18:58:33,575 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 302 edges. 302 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:33,614 INFO L225 Difference]: With dead ends: 744 [2020-07-28 18:58:33,615 INFO L226 Difference]: Without dead ends: 742 [2020-07-28 18:58:33,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:33,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-07-28 18:58:33,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 254. [2020-07-28 18:58:33,907 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:33,907 INFO L82 GeneralOperation]: Start isEquivalent. First operand 742 states. Second operand 254 states. [2020-07-28 18:58:33,907 INFO L74 IsIncluded]: Start isIncluded. First operand 742 states. Second operand 254 states. [2020-07-28 18:58:33,908 INFO L87 Difference]: Start difference. First operand 742 states. Second operand 254 states. [2020-07-28 18:58:33,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,938 INFO L93 Difference]: Finished difference Result 742 states and 1063 transitions. [2020-07-28 18:58:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1063 transitions. [2020-07-28 18:58:33,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:33,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:33,940 INFO L74 IsIncluded]: Start isIncluded. First operand 254 states. Second operand 742 states. [2020-07-28 18:58:33,941 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 742 states. [2020-07-28 18:58:33,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:33,976 INFO L93 Difference]: Finished difference Result 742 states and 1063 transitions. [2020-07-28 18:58:33,976 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1063 transitions. [2020-07-28 18:58:33,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:33,978 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:33,978 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:33,979 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-07-28 18:58:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 361 transitions. [2020-07-28 18:58:33,987 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 361 transitions. Word has length 26 [2020-07-28 18:58:33,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:33,987 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 361 transitions. [2020-07-28 18:58:33,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 361 transitions. [2020-07-28 18:58:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:33,990 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:33,990 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:33,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 18:58:33,991 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:33,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:33,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1292268752, now seen corresponding path program 1 times [2020-07-28 18:58:33,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:33,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600973740] [2020-07-28 18:58:33,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:34,092 INFO L280 TraceCheckUtils]: 0: Hoare triple {7991#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,093 INFO L280 TraceCheckUtils]: 1: Hoare triple {7993#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,094 INFO L280 TraceCheckUtils]: 2: Hoare triple {7993#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,095 INFO L280 TraceCheckUtils]: 3: Hoare triple {7993#(= 1 ~waterLevel~0)} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,095 INFO L280 TraceCheckUtils]: 4: Hoare triple {7993#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~0; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,096 INFO L280 TraceCheckUtils]: 5: Hoare triple {7993#(= 1 ~waterLevel~0)} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,097 INFO L280 TraceCheckUtils]: 6: Hoare triple {7993#(= 1 ~waterLevel~0)} assume !false; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,097 INFO L280 TraceCheckUtils]: 7: Hoare triple {7993#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,098 INFO L280 TraceCheckUtils]: 8: Hoare triple {7993#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,098 INFO L280 TraceCheckUtils]: 9: Hoare triple {7993#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~9); {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,099 INFO L280 TraceCheckUtils]: 10: Hoare triple {7993#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,099 INFO L280 TraceCheckUtils]: 11: Hoare triple {7993#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___0~2; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,100 INFO L280 TraceCheckUtils]: 12: Hoare triple {7993#(= 1 ~waterLevel~0)} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,101 INFO L280 TraceCheckUtils]: 13: Hoare triple {7993#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,101 INFO L280 TraceCheckUtils]: 14: Hoare triple {7993#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,103 INFO L280 TraceCheckUtils]: 15: Hoare triple {7993#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,103 INFO L280 TraceCheckUtils]: 16: Hoare triple {7993#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,104 INFO L280 TraceCheckUtils]: 17: Hoare triple {7993#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,104 INFO L280 TraceCheckUtils]: 18: Hoare triple {7993#(= 1 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {7993#(= 1 ~waterLevel~0)} is VALID [2020-07-28 18:58:34,105 INFO L280 TraceCheckUtils]: 19: Hoare triple {7993#(= 1 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {7992#false} is VALID [2020-07-28 18:58:34,105 INFO L280 TraceCheckUtils]: 20: Hoare triple {7992#false} isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret68 && isHighWaterLevel_#t~ret68 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; {7992#false} is VALID [2020-07-28 18:58:34,106 INFO L280 TraceCheckUtils]: 21: Hoare triple {7992#false} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {7992#false} is VALID [2020-07-28 18:58:34,106 INFO L280 TraceCheckUtils]: 22: Hoare triple {7992#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {7992#false} is VALID [2020-07-28 18:58:34,106 INFO L280 TraceCheckUtils]: 23: Hoare triple {7992#false} processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret48 && processEnvironment__wrappee__methaneQuery_#t~ret48 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; {7992#false} is VALID [2020-07-28 18:58:34,106 INFO L280 TraceCheckUtils]: 24: Hoare triple {7992#false} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~5;havoc activatePump_#t~ret50, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {7992#false} is VALID [2020-07-28 18:58:34,107 INFO L280 TraceCheckUtils]: 25: Hoare triple {7992#false} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {7992#false} is VALID [2020-07-28 18:58:34,107 INFO L280 TraceCheckUtils]: 26: Hoare triple {7992#false} activatePump_#t~ret50 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret50 && activatePump_#t~ret50 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret50;havoc activatePump_#t~ret50; {7992#false} is VALID [2020-07-28 18:58:34,107 INFO L280 TraceCheckUtils]: 27: Hoare triple {7992#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {7992#false} is VALID [2020-07-28 18:58:34,108 INFO L280 TraceCheckUtils]: 28: Hoare triple {7992#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {7992#false} is VALID [2020-07-28 18:58:34,108 INFO L280 TraceCheckUtils]: 29: Hoare triple {7992#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {7992#false} is VALID [2020-07-28 18:58:34,108 INFO L280 TraceCheckUtils]: 30: Hoare triple {7992#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {7992#false} is VALID [2020-07-28 18:58:34,109 INFO L280 TraceCheckUtils]: 31: Hoare triple {7992#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {7992#false} is VALID [2020-07-28 18:58:34,109 INFO L280 TraceCheckUtils]: 32: Hoare triple {7992#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {7992#false} is VALID [2020-07-28 18:58:34,109 INFO L280 TraceCheckUtils]: 33: Hoare triple {7992#false} assume !false; {7992#false} is VALID [2020-07-28 18:58:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:34,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600973740] [2020-07-28 18:58:34,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:34,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 18:58:34,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093506761] [2020-07-28 18:58:34,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 18:58:34,114 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:34,114 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:34,155 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:34,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:34,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:34,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:34,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:34,156 INFO L87 Difference]: Start difference. First operand 254 states and 361 transitions. Second operand 3 states. [2020-07-28 18:58:35,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,012 INFO L93 Difference]: Finished difference Result 690 states and 981 transitions. [2020-07-28 18:58:35,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:35,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-07-28 18:58:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2020-07-28 18:58:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2020-07-28 18:58:35,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 193 transitions. [2020-07-28 18:58:35,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 193 edges. 193 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:35,236 INFO L225 Difference]: With dead ends: 690 [2020-07-28 18:58:35,237 INFO L226 Difference]: Without dead ends: 442 [2020-07-28 18:58:35,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:35,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-07-28 18:58:35,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 440. [2020-07-28 18:58:35,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:35,861 INFO L82 GeneralOperation]: Start isEquivalent. First operand 442 states. Second operand 440 states. [2020-07-28 18:58:35,861 INFO L74 IsIncluded]: Start isIncluded. First operand 442 states. Second operand 440 states. [2020-07-28 18:58:35,861 INFO L87 Difference]: Start difference. First operand 442 states. Second operand 440 states. [2020-07-28 18:58:35,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,875 INFO L93 Difference]: Finished difference Result 442 states and 610 transitions. [2020-07-28 18:58:35,875 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 610 transitions. [2020-07-28 18:58:35,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:35,879 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:35,879 INFO L74 IsIncluded]: Start isIncluded. First operand 440 states. Second operand 442 states. [2020-07-28 18:58:35,879 INFO L87 Difference]: Start difference. First operand 440 states. Second operand 442 states. [2020-07-28 18:58:35,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:35,893 INFO L93 Difference]: Finished difference Result 442 states and 610 transitions. [2020-07-28 18:58:35,893 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 610 transitions. [2020-07-28 18:58:35,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:35,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:35,895 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:35,895 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-07-28 18:58:35,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 609 transitions. [2020-07-28 18:58:35,910 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 609 transitions. Word has length 34 [2020-07-28 18:58:35,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:35,910 INFO L479 AbstractCegarLoop]: Abstraction has 440 states and 609 transitions. [2020-07-28 18:58:35,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 609 transitions. [2020-07-28 18:58:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:35,914 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:35,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:35,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 18:58:35,914 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:35,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:35,915 INFO L82 PathProgramCache]: Analyzing trace with hash -12405074, now seen corresponding path program 1 times [2020-07-28 18:58:35,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:35,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117935682] [2020-07-28 18:58:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:36,043 INFO L280 TraceCheckUtils]: 0: Hoare triple {10470#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {10470#true} is VALID [2020-07-28 18:58:36,045 INFO L280 TraceCheckUtils]: 1: Hoare triple {10470#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {10470#true} is VALID [2020-07-28 18:58:36,045 INFO L280 TraceCheckUtils]: 2: Hoare triple {10470#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {10470#true} is VALID [2020-07-28 18:58:36,045 INFO L280 TraceCheckUtils]: 3: Hoare triple {10470#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {10470#true} is VALID [2020-07-28 18:58:36,046 INFO L280 TraceCheckUtils]: 4: Hoare triple {10470#true} assume 0 != main_~tmp~0; {10470#true} is VALID [2020-07-28 18:58:36,046 INFO L280 TraceCheckUtils]: 5: Hoare triple {10470#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10470#true} is VALID [2020-07-28 18:58:36,047 INFO L280 TraceCheckUtils]: 6: Hoare triple {10470#true} assume !false; {10470#true} is VALID [2020-07-28 18:58:36,047 INFO L280 TraceCheckUtils]: 7: Hoare triple {10470#true} assume test_~splverifierCounter~0 < 4; {10470#true} is VALID [2020-07-28 18:58:36,047 INFO L280 TraceCheckUtils]: 8: Hoare triple {10470#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {10470#true} is VALID [2020-07-28 18:58:36,048 INFO L280 TraceCheckUtils]: 9: Hoare triple {10470#true} assume !(0 != test_~tmp~9); {10470#true} is VALID [2020-07-28 18:58:36,048 INFO L280 TraceCheckUtils]: 10: Hoare triple {10470#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {10470#true} is VALID [2020-07-28 18:58:36,048 INFO L280 TraceCheckUtils]: 11: Hoare triple {10470#true} assume 0 != test_~tmp___0~2; {10470#true} is VALID [2020-07-28 18:58:36,049 INFO L280 TraceCheckUtils]: 12: Hoare triple {10470#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {10470#true} is VALID [2020-07-28 18:58:36,050 INFO L280 TraceCheckUtils]: 13: Hoare triple {10470#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {10470#true} is VALID [2020-07-28 18:58:36,050 INFO L280 TraceCheckUtils]: 14: Hoare triple {10470#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {10470#true} is VALID [2020-07-28 18:58:36,051 INFO L280 TraceCheckUtils]: 15: Hoare triple {10470#true} assume !(0 != ~pumpRunning~0); {10470#true} is VALID [2020-07-28 18:58:36,051 INFO L280 TraceCheckUtils]: 16: Hoare triple {10470#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {10470#true} is VALID [2020-07-28 18:58:36,051 INFO L280 TraceCheckUtils]: 17: Hoare triple {10470#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {10470#true} is VALID [2020-07-28 18:58:36,052 INFO L280 TraceCheckUtils]: 18: Hoare triple {10470#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {10470#true} is VALID [2020-07-28 18:58:36,052 INFO L280 TraceCheckUtils]: 19: Hoare triple {10470#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {10470#true} is VALID [2020-07-28 18:58:36,053 INFO L280 TraceCheckUtils]: 20: Hoare triple {10470#true} isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret68 && isHighWaterLevel_#t~ret68 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; {10470#true} is VALID [2020-07-28 18:58:36,054 INFO L280 TraceCheckUtils]: 21: Hoare triple {10470#true} assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~1 := 0; {10472#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 18:58:36,055 INFO L280 TraceCheckUtils]: 22: Hoare triple {10472#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {10473#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 18:58:36,056 INFO L280 TraceCheckUtils]: 23: Hoare triple {10473#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret48 && processEnvironment__wrappee__methaneQuery_#t~ret48 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; {10474#(= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5)} is VALID [2020-07-28 18:58:36,057 INFO L280 TraceCheckUtils]: 24: Hoare triple {10474#(= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~5)} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~5;havoc activatePump_#t~ret50, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {10471#false} is VALID [2020-07-28 18:58:36,057 INFO L280 TraceCheckUtils]: 25: Hoare triple {10471#false} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {10471#false} is VALID [2020-07-28 18:58:36,057 INFO L280 TraceCheckUtils]: 26: Hoare triple {10471#false} activatePump_#t~ret50 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret50 && activatePump_#t~ret50 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret50;havoc activatePump_#t~ret50; {10471#false} is VALID [2020-07-28 18:58:36,057 INFO L280 TraceCheckUtils]: 27: Hoare triple {10471#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {10471#false} is VALID [2020-07-28 18:58:36,058 INFO L280 TraceCheckUtils]: 28: Hoare triple {10471#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {10471#false} is VALID [2020-07-28 18:58:36,058 INFO L280 TraceCheckUtils]: 29: Hoare triple {10471#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {10471#false} is VALID [2020-07-28 18:58:36,058 INFO L280 TraceCheckUtils]: 30: Hoare triple {10471#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {10471#false} is VALID [2020-07-28 18:58:36,058 INFO L280 TraceCheckUtils]: 31: Hoare triple {10471#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {10471#false} is VALID [2020-07-28 18:58:36,058 INFO L280 TraceCheckUtils]: 32: Hoare triple {10471#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {10471#false} is VALID [2020-07-28 18:58:36,059 INFO L280 TraceCheckUtils]: 33: Hoare triple {10471#false} assume !false; {10471#false} is VALID [2020-07-28 18:58:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:36,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117935682] [2020-07-28 18:58:36,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:36,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:36,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704912943] [2020-07-28 18:58:36,063 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:36,063 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:36,063 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:36,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:36,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:36,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:36,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:36,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:36,115 INFO L87 Difference]: Start difference. First operand 440 states and 609 transitions. Second operand 5 states. [2020-07-28 18:58:37,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:37,994 INFO L93 Difference]: Finished difference Result 1222 states and 1668 transitions. [2020-07-28 18:58:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 18:58:37,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:37,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 211 transitions. [2020-07-28 18:58:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 211 transitions. [2020-07-28 18:58:38,003 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 211 transitions. [2020-07-28 18:58:38,222 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 18:58:38,269 INFO L225 Difference]: With dead ends: 1222 [2020-07-28 18:58:38,270 INFO L226 Difference]: Without dead ends: 788 [2020-07-28 18:58:38,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:58:38,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-07-28 18:58:39,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 476. [2020-07-28 18:58:39,029 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:39,029 INFO L82 GeneralOperation]: Start isEquivalent. First operand 788 states. Second operand 476 states. [2020-07-28 18:58:39,030 INFO L74 IsIncluded]: Start isIncluded. First operand 788 states. Second operand 476 states. [2020-07-28 18:58:39,030 INFO L87 Difference]: Start difference. First operand 788 states. Second operand 476 states. [2020-07-28 18:58:39,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,072 INFO L93 Difference]: Finished difference Result 788 states and 1053 transitions. [2020-07-28 18:58:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1053 transitions. [2020-07-28 18:58:39,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:39,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:39,074 INFO L74 IsIncluded]: Start isIncluded. First operand 476 states. Second operand 788 states. [2020-07-28 18:58:39,074 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 788 states. [2020-07-28 18:58:39,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:39,110 INFO L93 Difference]: Finished difference Result 788 states and 1053 transitions. [2020-07-28 18:58:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1053 transitions. [2020-07-28 18:58:39,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:39,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:39,112 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:39,112 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:39,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-07-28 18:58:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 645 transitions. [2020-07-28 18:58:39,129 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 645 transitions. Word has length 34 [2020-07-28 18:58:39,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:39,129 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 645 transitions. [2020-07-28 18:58:39,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 645 transitions. [2020-07-28 18:58:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-28 18:58:39,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:39,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:39,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 18:58:39,132 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:39,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:39,132 INFO L82 PathProgramCache]: Analyzing trace with hash -599211088, now seen corresponding path program 1 times [2020-07-28 18:58:39,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:39,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728448107] [2020-07-28 18:58:39,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:39,196 INFO L280 TraceCheckUtils]: 0: Hoare triple {14443#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {14443#true} is VALID [2020-07-28 18:58:39,197 INFO L280 TraceCheckUtils]: 1: Hoare triple {14443#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {14443#true} is VALID [2020-07-28 18:58:39,197 INFO L280 TraceCheckUtils]: 2: Hoare triple {14443#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {14443#true} is VALID [2020-07-28 18:58:39,197 INFO L280 TraceCheckUtils]: 3: Hoare triple {14443#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {14443#true} is VALID [2020-07-28 18:58:39,198 INFO L280 TraceCheckUtils]: 4: Hoare triple {14443#true} assume 0 != main_~tmp~0; {14443#true} is VALID [2020-07-28 18:58:39,198 INFO L280 TraceCheckUtils]: 5: Hoare triple {14443#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14443#true} is VALID [2020-07-28 18:58:39,198 INFO L280 TraceCheckUtils]: 6: Hoare triple {14443#true} assume !false; {14443#true} is VALID [2020-07-28 18:58:39,198 INFO L280 TraceCheckUtils]: 7: Hoare triple {14443#true} assume test_~splverifierCounter~0 < 4; {14443#true} is VALID [2020-07-28 18:58:39,199 INFO L280 TraceCheckUtils]: 8: Hoare triple {14443#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {14443#true} is VALID [2020-07-28 18:58:39,199 INFO L280 TraceCheckUtils]: 9: Hoare triple {14443#true} assume !(0 != test_~tmp~9); {14443#true} is VALID [2020-07-28 18:58:39,199 INFO L280 TraceCheckUtils]: 10: Hoare triple {14443#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {14443#true} is VALID [2020-07-28 18:58:39,200 INFO L280 TraceCheckUtils]: 11: Hoare triple {14443#true} assume 0 != test_~tmp___0~2; {14443#true} is VALID [2020-07-28 18:58:39,200 INFO L280 TraceCheckUtils]: 12: Hoare triple {14443#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {14443#true} is VALID [2020-07-28 18:58:39,200 INFO L280 TraceCheckUtils]: 13: Hoare triple {14443#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {14443#true} is VALID [2020-07-28 18:58:39,201 INFO L280 TraceCheckUtils]: 14: Hoare triple {14443#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {14445#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:39,202 INFO L280 TraceCheckUtils]: 15: Hoare triple {14445#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {14445#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:39,202 INFO L280 TraceCheckUtils]: 16: Hoare triple {14445#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {14443#true} is VALID [2020-07-28 18:58:39,202 INFO L280 TraceCheckUtils]: 17: Hoare triple {14443#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {14443#true} is VALID [2020-07-28 18:58:39,202 INFO L280 TraceCheckUtils]: 18: Hoare triple {14443#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {14443#true} is VALID [2020-07-28 18:58:39,203 INFO L280 TraceCheckUtils]: 19: Hoare triple {14443#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {14446#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 18:58:39,204 INFO L280 TraceCheckUtils]: 20: Hoare triple {14446#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret68 && isHighWaterLevel_#t~ret68 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; {14447#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~8))} is VALID [2020-07-28 18:58:39,205 INFO L280 TraceCheckUtils]: 21: Hoare triple {14447#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~8))} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {14444#false} is VALID [2020-07-28 18:58:39,205 INFO L280 TraceCheckUtils]: 22: Hoare triple {14444#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {14444#false} is VALID [2020-07-28 18:58:39,205 INFO L280 TraceCheckUtils]: 23: Hoare triple {14444#false} processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret48 && processEnvironment__wrappee__methaneQuery_#t~ret48 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; {14444#false} is VALID [2020-07-28 18:58:39,206 INFO L280 TraceCheckUtils]: 24: Hoare triple {14444#false} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~5;havoc activatePump_#t~ret50, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {14444#false} is VALID [2020-07-28 18:58:39,206 INFO L280 TraceCheckUtils]: 25: Hoare triple {14444#false} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {14444#false} is VALID [2020-07-28 18:58:39,206 INFO L280 TraceCheckUtils]: 26: Hoare triple {14444#false} activatePump_#t~ret50 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret50 && activatePump_#t~ret50 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret50;havoc activatePump_#t~ret50; {14444#false} is VALID [2020-07-28 18:58:39,206 INFO L280 TraceCheckUtils]: 27: Hoare triple {14444#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {14444#false} is VALID [2020-07-28 18:58:39,207 INFO L280 TraceCheckUtils]: 28: Hoare triple {14444#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {14444#false} is VALID [2020-07-28 18:58:39,207 INFO L280 TraceCheckUtils]: 29: Hoare triple {14444#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {14444#false} is VALID [2020-07-28 18:58:39,207 INFO L280 TraceCheckUtils]: 30: Hoare triple {14444#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {14444#false} is VALID [2020-07-28 18:58:39,207 INFO L280 TraceCheckUtils]: 31: Hoare triple {14444#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {14444#false} is VALID [2020-07-28 18:58:39,207 INFO L280 TraceCheckUtils]: 32: Hoare triple {14444#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {14444#false} is VALID [2020-07-28 18:58:39,207 INFO L280 TraceCheckUtils]: 33: Hoare triple {14444#false} assume !false; {14444#false} is VALID [2020-07-28 18:58:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:39,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728448107] [2020-07-28 18:58:39,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:39,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 18:58:39,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352370507] [2020-07-28 18:58:39,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:39,210 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:39,211 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 18:58:39,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:39,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 18:58:39,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:39,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 18:58:39,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 18:58:39,254 INFO L87 Difference]: Start difference. First operand 476 states and 645 transitions. Second operand 5 states. [2020-07-28 18:58:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:41,097 INFO L93 Difference]: Finished difference Result 1140 states and 1521 transitions. [2020-07-28 18:58:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 18:58:41,097 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-07-28 18:58:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 366 transitions. [2020-07-28 18:58:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 18:58:41,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 366 transitions. [2020-07-28 18:58:41,101 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 366 transitions. [2020-07-28 18:58:41,499 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 366 edges. 366 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:41,524 INFO L225 Difference]: With dead ends: 1140 [2020-07-28 18:58:41,524 INFO L226 Difference]: Without dead ends: 670 [2020-07-28 18:58:41,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 18:58:41,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2020-07-28 18:58:42,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 398. [2020-07-28 18:58:42,188 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:42,188 INFO L82 GeneralOperation]: Start isEquivalent. First operand 670 states. Second operand 398 states. [2020-07-28 18:58:42,188 INFO L74 IsIncluded]: Start isIncluded. First operand 670 states. Second operand 398 states. [2020-07-28 18:58:42,189 INFO L87 Difference]: Start difference. First operand 670 states. Second operand 398 states. [2020-07-28 18:58:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,211 INFO L93 Difference]: Finished difference Result 670 states and 870 transitions. [2020-07-28 18:58:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 870 transitions. [2020-07-28 18:58:42,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:42,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:42,213 INFO L74 IsIncluded]: Start isIncluded. First operand 398 states. Second operand 670 states. [2020-07-28 18:58:42,213 INFO L87 Difference]: Start difference. First operand 398 states. Second operand 670 states. [2020-07-28 18:58:42,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:42,233 INFO L93 Difference]: Finished difference Result 670 states and 870 transitions. [2020-07-28 18:58:42,233 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 870 transitions. [2020-07-28 18:58:42,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:42,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:42,235 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:42,235 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-28 18:58:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 527 transitions. [2020-07-28 18:58:42,244 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 527 transitions. Word has length 34 [2020-07-28 18:58:42,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:42,244 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 527 transitions. [2020-07-28 18:58:42,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 18:58:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 527 transitions. [2020-07-28 18:58:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 18:58:42,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:42,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:42,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 18:58:42,246 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:42,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:42,246 INFO L82 PathProgramCache]: Analyzing trace with hash -362639056, now seen corresponding path program 1 times [2020-07-28 18:58:42,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:42,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145462457] [2020-07-28 18:58:42,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:42,323 INFO L280 TraceCheckUtils]: 0: Hoare triple {17956#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {17956#true} is VALID [2020-07-28 18:58:42,324 INFO L280 TraceCheckUtils]: 1: Hoare triple {17956#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {17956#true} is VALID [2020-07-28 18:58:42,324 INFO L280 TraceCheckUtils]: 2: Hoare triple {17956#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {17956#true} is VALID [2020-07-28 18:58:42,324 INFO L280 TraceCheckUtils]: 3: Hoare triple {17956#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {17956#true} is VALID [2020-07-28 18:58:42,324 INFO L280 TraceCheckUtils]: 4: Hoare triple {17956#true} assume 0 != main_~tmp~0; {17956#true} is VALID [2020-07-28 18:58:42,325 INFO L280 TraceCheckUtils]: 5: Hoare triple {17956#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {17956#true} is VALID [2020-07-28 18:58:42,325 INFO L280 TraceCheckUtils]: 6: Hoare triple {17956#true} assume !false; {17956#true} is VALID [2020-07-28 18:58:42,325 INFO L280 TraceCheckUtils]: 7: Hoare triple {17956#true} assume test_~splverifierCounter~0 < 4; {17956#true} is VALID [2020-07-28 18:58:42,325 INFO L280 TraceCheckUtils]: 8: Hoare triple {17956#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {17956#true} is VALID [2020-07-28 18:58:42,325 INFO L280 TraceCheckUtils]: 9: Hoare triple {17956#true} assume 0 != test_~tmp~9; {17956#true} is VALID [2020-07-28 18:58:42,326 INFO L280 TraceCheckUtils]: 10: Hoare triple {17956#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {17956#true} is VALID [2020-07-28 18:58:42,326 INFO L280 TraceCheckUtils]: 11: Hoare triple {17956#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {17956#true} is VALID [2020-07-28 18:58:42,326 INFO L280 TraceCheckUtils]: 12: Hoare triple {17956#true} assume 0 != test_~tmp___0~2; {17956#true} is VALID [2020-07-28 18:58:42,327 INFO L280 TraceCheckUtils]: 13: Hoare triple {17956#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,327 INFO L280 TraceCheckUtils]: 14: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,328 INFO L280 TraceCheckUtils]: 15: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,329 INFO L280 TraceCheckUtils]: 16: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,330 INFO L280 TraceCheckUtils]: 17: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,331 INFO L280 TraceCheckUtils]: 18: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,332 INFO L280 TraceCheckUtils]: 19: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,333 INFO L280 TraceCheckUtils]: 20: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,343 INFO L280 TraceCheckUtils]: 21: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret68 && isHighWaterLevel_#t~ret68 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,344 INFO L280 TraceCheckUtils]: 22: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,347 INFO L280 TraceCheckUtils]: 23: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,350 INFO L280 TraceCheckUtils]: 24: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret48 && processEnvironment__wrappee__methaneQuery_#t~ret48 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; {17958#(= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:42,350 INFO L280 TraceCheckUtils]: 25: Hoare triple {17958#(= 1 ~methaneLevelCritical~0)} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~5;havoc activatePump_#t~ret50, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {17959#(= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:42,351 INFO L280 TraceCheckUtils]: 26: Hoare triple {17959#(= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {17960#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} is VALID [2020-07-28 18:58:42,352 INFO L280 TraceCheckUtils]: 27: Hoare triple {17960#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} activatePump_#t~ret50 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret50 && activatePump_#t~ret50 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret50;havoc activatePump_#t~ret50; {17961#(<= 1 ULTIMATE.start_activatePump_~tmp~7)} is VALID [2020-07-28 18:58:42,352 INFO L280 TraceCheckUtils]: 28: Hoare triple {17961#(<= 1 ULTIMATE.start_activatePump_~tmp~7)} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {17957#false} is VALID [2020-07-28 18:58:42,353 INFO L280 TraceCheckUtils]: 29: Hoare triple {17957#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {17957#false} is VALID [2020-07-28 18:58:42,353 INFO L280 TraceCheckUtils]: 30: Hoare triple {17957#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {17957#false} is VALID [2020-07-28 18:58:42,353 INFO L280 TraceCheckUtils]: 31: Hoare triple {17957#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {17957#false} is VALID [2020-07-28 18:58:42,353 INFO L280 TraceCheckUtils]: 32: Hoare triple {17957#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {17957#false} is VALID [2020-07-28 18:58:42,353 INFO L280 TraceCheckUtils]: 33: Hoare triple {17957#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {17957#false} is VALID [2020-07-28 18:58:42,354 INFO L280 TraceCheckUtils]: 34: Hoare triple {17957#false} assume !false; {17957#false} is VALID [2020-07-28 18:58:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:58:42,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145462457] [2020-07-28 18:58:42,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:42,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-28 18:58:42,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212829168] [2020-07-28 18:58:42,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-28 18:58:42,356 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:42,356 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:42,399 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:42,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:42,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:42,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:42,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:58:42,400 INFO L87 Difference]: Start difference. First operand 398 states and 527 transitions. Second operand 6 states. [2020-07-28 18:58:45,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:45,673 INFO L93 Difference]: Finished difference Result 1446 states and 1928 transitions. [2020-07-28 18:58:45,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 18:58:45,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-28 18:58:45,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 519 transitions. [2020-07-28 18:58:45,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 519 transitions. [2020-07-28 18:58:45,678 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 519 transitions. [2020-07-28 18:58:46,299 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 519 edges. 519 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:46,352 INFO L225 Difference]: With dead ends: 1446 [2020-07-28 18:58:46,352 INFO L226 Difference]: Without dead ends: 1054 [2020-07-28 18:58:46,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-07-28 18:58:46,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2020-07-28 18:58:47,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 398. [2020-07-28 18:58:47,103 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:47,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1054 states. Second operand 398 states. [2020-07-28 18:58:47,104 INFO L74 IsIncluded]: Start isIncluded. First operand 1054 states. Second operand 398 states. [2020-07-28 18:58:47,104 INFO L87 Difference]: Start difference. First operand 1054 states. Second operand 398 states. [2020-07-28 18:58:47,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,141 INFO L93 Difference]: Finished difference Result 1054 states and 1392 transitions. [2020-07-28 18:58:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1392 transitions. [2020-07-28 18:58:47,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:47,143 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:47,143 INFO L74 IsIncluded]: Start isIncluded. First operand 398 states. Second operand 1054 states. [2020-07-28 18:58:47,143 INFO L87 Difference]: Start difference. First operand 398 states. Second operand 1054 states. [2020-07-28 18:58:47,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:47,202 INFO L93 Difference]: Finished difference Result 1054 states and 1392 transitions. [2020-07-28 18:58:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1392 transitions. [2020-07-28 18:58:47,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:47,205 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:47,205 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:47,205 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:47,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-28 18:58:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 517 transitions. [2020-07-28 18:58:47,217 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 517 transitions. Word has length 35 [2020-07-28 18:58:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:47,218 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 517 transitions. [2020-07-28 18:58:47,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 517 transitions. [2020-07-28 18:58:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-28 18:58:47,219 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:47,219 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-28 18:58:47,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 18:58:47,220 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:47,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:47,221 INFO L82 PathProgramCache]: Analyzing trace with hash -304303788, now seen corresponding path program 1 times [2020-07-28 18:58:47,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:47,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795767432] [2020-07-28 18:58:47,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:47,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {22685#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {22685#true} is VALID [2020-07-28 18:58:47,267 INFO L280 TraceCheckUtils]: 1: Hoare triple {22685#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {22685#true} is VALID [2020-07-28 18:58:47,267 INFO L280 TraceCheckUtils]: 2: Hoare triple {22685#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {22685#true} is VALID [2020-07-28 18:58:47,267 INFO L280 TraceCheckUtils]: 3: Hoare triple {22685#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {22685#true} is VALID [2020-07-28 18:58:47,267 INFO L280 TraceCheckUtils]: 4: Hoare triple {22685#true} assume 0 != main_~tmp~0; {22685#true} is VALID [2020-07-28 18:58:47,268 INFO L280 TraceCheckUtils]: 5: Hoare triple {22685#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {22685#true} is VALID [2020-07-28 18:58:47,268 INFO L280 TraceCheckUtils]: 6: Hoare triple {22685#true} assume !false; {22685#true} is VALID [2020-07-28 18:58:47,268 INFO L280 TraceCheckUtils]: 7: Hoare triple {22685#true} assume test_~splverifierCounter~0 < 4; {22685#true} is VALID [2020-07-28 18:58:47,268 INFO L280 TraceCheckUtils]: 8: Hoare triple {22685#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {22685#true} is VALID [2020-07-28 18:58:47,268 INFO L280 TraceCheckUtils]: 9: Hoare triple {22685#true} assume 0 != test_~tmp~9; {22685#true} is VALID [2020-07-28 18:58:47,269 INFO L280 TraceCheckUtils]: 10: Hoare triple {22685#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {22685#true} is VALID [2020-07-28 18:58:47,269 INFO L280 TraceCheckUtils]: 11: Hoare triple {22685#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {22685#true} is VALID [2020-07-28 18:58:47,269 INFO L280 TraceCheckUtils]: 12: Hoare triple {22685#true} assume !(0 != test_~tmp___0~2); {22685#true} is VALID [2020-07-28 18:58:47,269 INFO L280 TraceCheckUtils]: 13: Hoare triple {22685#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {22685#true} is VALID [2020-07-28 18:58:47,269 INFO L280 TraceCheckUtils]: 14: Hoare triple {22685#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; {22685#true} is VALID [2020-07-28 18:58:47,270 INFO L280 TraceCheckUtils]: 15: Hoare triple {22685#true} assume 0 != test_~tmp___1~0; {22685#true} is VALID [2020-07-28 18:58:47,270 INFO L280 TraceCheckUtils]: 16: Hoare triple {22685#true} assume !(0 != ~pumpRunning~0); {22685#true} is VALID [2020-07-28 18:58:47,271 INFO L280 TraceCheckUtils]: 17: Hoare triple {22685#true} ~systemActive~0 := 0; {22687#(= 0 ~systemActive~0)} is VALID [2020-07-28 18:58:47,272 INFO L280 TraceCheckUtils]: 18: Hoare triple {22687#(= 0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {22687#(= 0 ~systemActive~0)} is VALID [2020-07-28 18:58:47,273 INFO L280 TraceCheckUtils]: 19: Hoare triple {22687#(= 0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {22686#false} is VALID [2020-07-28 18:58:47,273 INFO L280 TraceCheckUtils]: 20: Hoare triple {22686#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {22686#false} is VALID [2020-07-28 18:58:47,273 INFO L280 TraceCheckUtils]: 21: Hoare triple {22686#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {22686#false} is VALID [2020-07-28 18:58:47,273 INFO L280 TraceCheckUtils]: 22: Hoare triple {22686#false} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {22686#false} is VALID [2020-07-28 18:58:47,273 INFO L280 TraceCheckUtils]: 23: Hoare triple {22686#false} isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret68 && isHighWaterLevel_#t~ret68 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; {22686#false} is VALID [2020-07-28 18:58:47,273 INFO L280 TraceCheckUtils]: 24: Hoare triple {22686#false} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {22686#false} is VALID [2020-07-28 18:58:47,274 INFO L280 TraceCheckUtils]: 25: Hoare triple {22686#false} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {22686#false} is VALID [2020-07-28 18:58:47,274 INFO L280 TraceCheckUtils]: 26: Hoare triple {22686#false} processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret48 && processEnvironment__wrappee__methaneQuery_#t~ret48 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; {22686#false} is VALID [2020-07-28 18:58:47,274 INFO L280 TraceCheckUtils]: 27: Hoare triple {22686#false} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~5;havoc activatePump_#t~ret50, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {22686#false} is VALID [2020-07-28 18:58:47,274 INFO L280 TraceCheckUtils]: 28: Hoare triple {22686#false} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {22686#false} is VALID [2020-07-28 18:58:47,275 INFO L280 TraceCheckUtils]: 29: Hoare triple {22686#false} activatePump_#t~ret50 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret50 && activatePump_#t~ret50 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret50;havoc activatePump_#t~ret50; {22686#false} is VALID [2020-07-28 18:58:47,275 INFO L280 TraceCheckUtils]: 30: Hoare triple {22686#false} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {22686#false} is VALID [2020-07-28 18:58:47,275 INFO L280 TraceCheckUtils]: 31: Hoare triple {22686#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {22686#false} is VALID [2020-07-28 18:58:47,275 INFO L280 TraceCheckUtils]: 32: Hoare triple {22686#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {22686#false} is VALID [2020-07-28 18:58:47,275 INFO L280 TraceCheckUtils]: 33: Hoare triple {22686#false} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); {22686#false} is VALID [2020-07-28 18:58:47,276 INFO L280 TraceCheckUtils]: 34: Hoare triple {22686#false} assume !false; {22686#false} is VALID [2020-07-28 18:58:47,276 INFO L280 TraceCheckUtils]: 35: Hoare triple {22686#false} assume test_~splverifierCounter~0 < 4; {22686#false} is VALID [2020-07-28 18:58:47,276 INFO L280 TraceCheckUtils]: 36: Hoare triple {22686#false} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {22686#false} is VALID [2020-07-28 18:58:47,276 INFO L280 TraceCheckUtils]: 37: Hoare triple {22686#false} assume !(0 != test_~tmp~9); {22686#false} is VALID [2020-07-28 18:58:47,277 INFO L280 TraceCheckUtils]: 38: Hoare triple {22686#false} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {22686#false} is VALID [2020-07-28 18:58:47,277 INFO L280 TraceCheckUtils]: 39: Hoare triple {22686#false} assume 0 != test_~tmp___0~2; {22686#false} is VALID [2020-07-28 18:58:47,277 INFO L280 TraceCheckUtils]: 40: Hoare triple {22686#false} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {22686#false} is VALID [2020-07-28 18:58:47,277 INFO L280 TraceCheckUtils]: 41: Hoare triple {22686#false} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {22686#false} is VALID [2020-07-28 18:58:47,277 INFO L280 TraceCheckUtils]: 42: Hoare triple {22686#false} 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; {22686#false} is VALID [2020-07-28 18:58:47,277 INFO L280 TraceCheckUtils]: 43: Hoare triple {22686#false} assume !(0 != test_~tmp___1~0); {22686#false} is VALID [2020-07-28 18:58:47,278 INFO L280 TraceCheckUtils]: 44: Hoare triple {22686#false} assume 0 != ~pumpRunning~0; {22686#false} is VALID [2020-07-28 18:58:47,278 INFO L280 TraceCheckUtils]: 45: Hoare triple {22686#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {22686#false} is VALID [2020-07-28 18:58:47,278 INFO L280 TraceCheckUtils]: 46: Hoare triple {22686#false} assume !(0 != ~systemActive~0); {22686#false} is VALID [2020-07-28 18:58:47,279 INFO L280 TraceCheckUtils]: 47: Hoare triple {22686#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {22686#false} is VALID [2020-07-28 18:58:47,279 INFO L280 TraceCheckUtils]: 48: Hoare triple {22686#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {22686#false} is VALID [2020-07-28 18:58:47,279 INFO L280 TraceCheckUtils]: 49: Hoare triple {22686#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {22686#false} is VALID [2020-07-28 18:58:47,280 INFO L280 TraceCheckUtils]: 50: Hoare triple {22686#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {22686#false} is VALID [2020-07-28 18:58:47,280 INFO L280 TraceCheckUtils]: 51: Hoare triple {22686#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {22686#false} is VALID [2020-07-28 18:58:47,280 INFO L280 TraceCheckUtils]: 52: Hoare triple {22686#false} assume !false; {22686#false} is VALID [2020-07-28 18:58:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 18:58:47,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795767432] [2020-07-28 18:58:47,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:58:47,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 18:58:47,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719074399] [2020-07-28 18:58:47,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-28 18:58:47,284 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:47,284 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 18:58:47,339 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:47,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 18:58:47,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:47,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 18:58:47,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:47,340 INFO L87 Difference]: Start difference. First operand 398 states and 517 transitions. Second operand 3 states. [2020-07-28 18:58:48,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:48,307 INFO L93 Difference]: Finished difference Result 676 states and 876 transitions. [2020-07-28 18:58:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 18:58:48,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-28 18:58:48,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 171 transitions. [2020-07-28 18:58:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 18:58:48,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 171 transitions. [2020-07-28 18:58:48,312 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 171 transitions. [2020-07-28 18:58:48,561 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:48,573 INFO L225 Difference]: With dead ends: 676 [2020-07-28 18:58:48,573 INFO L226 Difference]: Without dead ends: 284 [2020-07-28 18:58:48,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 18:58:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-07-28 18:58:49,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 276. [2020-07-28 18:58:49,201 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:49,201 INFO L82 GeneralOperation]: Start isEquivalent. First operand 284 states. Second operand 276 states. [2020-07-28 18:58:49,201 INFO L74 IsIncluded]: Start isIncluded. First operand 284 states. Second operand 276 states. [2020-07-28 18:58:49,201 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 276 states. [2020-07-28 18:58:49,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,207 INFO L93 Difference]: Finished difference Result 284 states and 361 transitions. [2020-07-28 18:58:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 361 transitions. [2020-07-28 18:58:49,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:49,207 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:49,208 INFO L74 IsIncluded]: Start isIncluded. First operand 276 states. Second operand 284 states. [2020-07-28 18:58:49,208 INFO L87 Difference]: Start difference. First operand 276 states. Second operand 284 states. [2020-07-28 18:58:49,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:49,213 INFO L93 Difference]: Finished difference Result 284 states and 361 transitions. [2020-07-28 18:58:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 361 transitions. [2020-07-28 18:58:49,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:49,214 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:49,214 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:49,214 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-07-28 18:58:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 353 transitions. [2020-07-28 18:58:49,220 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 353 transitions. Word has length 53 [2020-07-28 18:58:49,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:49,221 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 353 transitions. [2020-07-28 18:58:49,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 18:58:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 353 transitions. [2020-07-28 18:58:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 18:58:49,222 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:58:49,222 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 18:58:49,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 18:58:49,223 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:58:49,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:58:49,223 INFO L82 PathProgramCache]: Analyzing trace with hash 653132802, now seen corresponding path program 1 times [2020-07-28 18:58:49,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:58:49,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010886848] [2020-07-28 18:58:49,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:58:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:49,321 INFO L280 TraceCheckUtils]: 0: Hoare triple {24600#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {24600#true} is VALID [2020-07-28 18:58:49,321 INFO L280 TraceCheckUtils]: 1: Hoare triple {24600#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {24600#true} is VALID [2020-07-28 18:58:49,321 INFO L280 TraceCheckUtils]: 2: Hoare triple {24600#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {24600#true} is VALID [2020-07-28 18:58:49,322 INFO L280 TraceCheckUtils]: 3: Hoare triple {24600#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {24600#true} is VALID [2020-07-28 18:58:49,322 INFO L280 TraceCheckUtils]: 4: Hoare triple {24600#true} assume 0 != main_~tmp~0; {24600#true} is VALID [2020-07-28 18:58:49,322 INFO L280 TraceCheckUtils]: 5: Hoare triple {24600#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {24600#true} is VALID [2020-07-28 18:58:49,323 INFO L280 TraceCheckUtils]: 6: Hoare triple {24600#true} assume !false; {24600#true} is VALID [2020-07-28 18:58:49,323 INFO L280 TraceCheckUtils]: 7: Hoare triple {24600#true} assume test_~splverifierCounter~0 < 4; {24600#true} is VALID [2020-07-28 18:58:49,323 INFO L280 TraceCheckUtils]: 8: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {24600#true} is VALID [2020-07-28 18:58:49,324 INFO L280 TraceCheckUtils]: 9: Hoare triple {24600#true} assume 0 != test_~tmp~9; {24600#true} is VALID [2020-07-28 18:58:49,324 INFO L280 TraceCheckUtils]: 10: Hoare triple {24600#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {24600#true} is VALID [2020-07-28 18:58:49,324 INFO L280 TraceCheckUtils]: 11: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {24600#true} is VALID [2020-07-28 18:58:49,325 INFO L280 TraceCheckUtils]: 12: Hoare triple {24600#true} assume !(0 != test_~tmp___0~2); {24600#true} is VALID [2020-07-28 18:58:49,325 INFO L280 TraceCheckUtils]: 13: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {24600#true} is VALID [2020-07-28 18:58:49,326 INFO L280 TraceCheckUtils]: 14: Hoare triple {24600#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {24602#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:49,327 INFO L280 TraceCheckUtils]: 15: Hoare triple {24602#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {24602#(= 1 ~systemActive~0)} is VALID [2020-07-28 18:58:49,327 INFO L280 TraceCheckUtils]: 16: Hoare triple {24602#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {24600#true} is VALID [2020-07-28 18:58:49,328 INFO L280 TraceCheckUtils]: 17: Hoare triple {24600#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {24600#true} is VALID [2020-07-28 18:58:49,328 INFO L280 TraceCheckUtils]: 18: Hoare triple {24600#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {24600#true} is VALID [2020-07-28 18:58:49,328 INFO L280 TraceCheckUtils]: 19: Hoare triple {24600#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {24600#true} is VALID [2020-07-28 18:58:49,328 INFO L280 TraceCheckUtils]: 20: Hoare triple {24600#true} isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret68 && isHighWaterLevel_#t~ret68 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; {24600#true} is VALID [2020-07-28 18:58:49,329 INFO L280 TraceCheckUtils]: 21: Hoare triple {24600#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {24600#true} is VALID [2020-07-28 18:58:49,329 INFO L280 TraceCheckUtils]: 22: Hoare triple {24600#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {24600#true} is VALID [2020-07-28 18:58:49,329 INFO L280 TraceCheckUtils]: 23: Hoare triple {24600#true} processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret48 && processEnvironment__wrappee__methaneQuery_#t~ret48 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; {24600#true} is VALID [2020-07-28 18:58:49,329 INFO L280 TraceCheckUtils]: 24: Hoare triple {24600#true} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~5;havoc activatePump_#t~ret50, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {24600#true} is VALID [2020-07-28 18:58:49,329 INFO L280 TraceCheckUtils]: 25: Hoare triple {24600#true} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {24600#true} is VALID [2020-07-28 18:58:49,330 INFO L280 TraceCheckUtils]: 26: Hoare triple {24600#true} activatePump_#t~ret50 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret50 && activatePump_#t~ret50 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret50;havoc activatePump_#t~ret50; {24600#true} is VALID [2020-07-28 18:58:49,330 INFO L280 TraceCheckUtils]: 27: Hoare triple {24600#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {24600#true} is VALID [2020-07-28 18:58:49,330 INFO L280 TraceCheckUtils]: 28: Hoare triple {24600#true} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {24600#true} is VALID [2020-07-28 18:58:49,330 INFO L280 TraceCheckUtils]: 29: Hoare triple {24600#true} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {24600#true} is VALID [2020-07-28 18:58:49,330 INFO L280 TraceCheckUtils]: 30: Hoare triple {24600#true} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); {24600#true} is VALID [2020-07-28 18:58:49,330 INFO L280 TraceCheckUtils]: 31: Hoare triple {24600#true} assume !false; {24600#true} is VALID [2020-07-28 18:58:49,331 INFO L280 TraceCheckUtils]: 32: Hoare triple {24600#true} assume test_~splverifierCounter~0 < 4; {24600#true} is VALID [2020-07-28 18:58:49,331 INFO L280 TraceCheckUtils]: 33: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {24600#true} is VALID [2020-07-28 18:58:49,331 INFO L280 TraceCheckUtils]: 34: Hoare triple {24600#true} assume !(0 != test_~tmp~9); {24600#true} is VALID [2020-07-28 18:58:49,331 INFO L280 TraceCheckUtils]: 35: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {24600#true} is VALID [2020-07-28 18:58:49,332 INFO L280 TraceCheckUtils]: 36: Hoare triple {24600#true} assume 0 != test_~tmp___0~2; {24600#true} is VALID [2020-07-28 18:58:49,334 INFO L280 TraceCheckUtils]: 37: Hoare triple {24600#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {24603#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:49,334 INFO L280 TraceCheckUtils]: 38: Hoare triple {24603#(not (= 0 ~methaneLevelCritical~0))} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {24603#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:49,335 INFO L280 TraceCheckUtils]: 39: Hoare triple {24603#(not (= 0 ~methaneLevelCritical~0))} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {24603#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:49,336 INFO L280 TraceCheckUtils]: 40: Hoare triple {24603#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~pumpRunning~0; {24603#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:49,336 INFO L280 TraceCheckUtils]: 41: Hoare triple {24603#(not (= 0 ~methaneLevelCritical~0))} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {24603#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:49,337 INFO L280 TraceCheckUtils]: 42: Hoare triple {24603#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {24603#(not (= 0 ~methaneLevelCritical~0))} is VALID [2020-07-28 18:58:49,338 INFO L280 TraceCheckUtils]: 43: Hoare triple {24603#(not (= 0 ~methaneLevelCritical~0))} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {24604#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} is VALID [2020-07-28 18:58:49,339 INFO L280 TraceCheckUtils]: 44: Hoare triple {24604#(not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {24605#(not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|))} is VALID [2020-07-28 18:58:49,340 INFO L280 TraceCheckUtils]: 45: Hoare triple {24605#(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; {24606#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~6))} is VALID [2020-07-28 18:58:49,341 INFO L280 TraceCheckUtils]: 46: Hoare triple {24606#(not (= 0 ULTIMATE.start_processEnvironment_~tmp~6))} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {24601#false} is VALID [2020-07-28 18:58:49,341 INFO L280 TraceCheckUtils]: 47: Hoare triple {24601#false} assume !(0 == ~pumpRunning~0); {24601#false} is VALID [2020-07-28 18:58:49,342 INFO L280 TraceCheckUtils]: 48: Hoare triple {24601#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {24601#false} is VALID [2020-07-28 18:58:49,342 INFO L280 TraceCheckUtils]: 49: Hoare triple {24601#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {24601#false} is VALID [2020-07-28 18:58:49,342 INFO L280 TraceCheckUtils]: 50: Hoare triple {24601#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {24601#false} is VALID [2020-07-28 18:58:49,343 INFO L280 TraceCheckUtils]: 51: Hoare triple {24601#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {24601#false} is VALID [2020-07-28 18:58:49,343 INFO L280 TraceCheckUtils]: 52: Hoare triple {24601#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {24601#false} is VALID [2020-07-28 18:58:49,343 INFO L280 TraceCheckUtils]: 53: Hoare triple {24601#false} assume !false; {24601#false} is VALID [2020-07-28 18:58:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-28 18:58:49,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010886848] [2020-07-28 18:58:49,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549672474] [2020-07-28 18:58:49,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 18:58:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:49,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-28 18:58:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:58:49,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:58:49,821 INFO L280 TraceCheckUtils]: 0: Hoare triple {24600#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {24600#true} is VALID [2020-07-28 18:58:49,822 INFO L280 TraceCheckUtils]: 1: Hoare triple {24600#true} havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; {24600#true} is VALID [2020-07-28 18:58:49,822 INFO L280 TraceCheckUtils]: 2: Hoare triple {24600#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {24600#true} is VALID [2020-07-28 18:58:49,822 INFO L280 TraceCheckUtils]: 3: Hoare triple {24600#true} main_#t~ret10 := valid_product_#res;assume -2147483648 <= main_#t~ret10 && main_#t~ret10 <= 2147483647;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; {24600#true} is VALID [2020-07-28 18:58:49,822 INFO L280 TraceCheckUtils]: 4: Hoare triple {24600#true} assume 0 != main_~tmp~0; {24600#true} is VALID [2020-07-28 18:58:49,822 INFO L280 TraceCheckUtils]: 5: Hoare triple {24600#true} havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {24600#true} is VALID [2020-07-28 18:58:49,823 INFO L280 TraceCheckUtils]: 6: Hoare triple {24600#true} assume !false; {24600#true} is VALID [2020-07-28 18:58:49,823 INFO L280 TraceCheckUtils]: 7: Hoare triple {24600#true} assume test_~splverifierCounter~0 < 4; {24600#true} is VALID [2020-07-28 18:58:49,823 INFO L280 TraceCheckUtils]: 8: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {24600#true} is VALID [2020-07-28 18:58:49,825 INFO L280 TraceCheckUtils]: 9: Hoare triple {24600#true} assume 0 != test_~tmp~9; {24600#true} is VALID [2020-07-28 18:58:49,825 INFO L280 TraceCheckUtils]: 10: Hoare triple {24600#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {24600#true} is VALID [2020-07-28 18:58:49,825 INFO L280 TraceCheckUtils]: 11: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {24600#true} is VALID [2020-07-28 18:58:49,825 INFO L280 TraceCheckUtils]: 12: Hoare triple {24600#true} assume !(0 != test_~tmp___0~2); {24600#true} is VALID [2020-07-28 18:58:49,825 INFO L280 TraceCheckUtils]: 13: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {24600#true} is VALID [2020-07-28 18:58:49,826 INFO L280 TraceCheckUtils]: 14: Hoare triple {24600#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {24600#true} is VALID [2020-07-28 18:58:49,826 INFO L280 TraceCheckUtils]: 15: Hoare triple {24600#true} assume !(0 != ~pumpRunning~0); {24600#true} is VALID [2020-07-28 18:58:49,826 INFO L280 TraceCheckUtils]: 16: Hoare triple {24600#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {24600#true} is VALID [2020-07-28 18:58:49,828 INFO L280 TraceCheckUtils]: 17: Hoare triple {24600#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {24600#true} is VALID [2020-07-28 18:58:49,828 INFO L280 TraceCheckUtils]: 18: Hoare triple {24600#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret68, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; {24600#true} is VALID [2020-07-28 18:58:49,828 INFO L280 TraceCheckUtils]: 19: Hoare triple {24600#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; {24600#true} is VALID [2020-07-28 18:58:49,829 INFO L280 TraceCheckUtils]: 20: Hoare triple {24600#true} isHighWaterLevel_#t~ret68 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret68 && isHighWaterLevel_#t~ret68 <= 2147483647;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret68;havoc isHighWaterLevel_#t~ret68; {24600#true} is VALID [2020-07-28 18:58:49,829 INFO L280 TraceCheckUtils]: 21: Hoare triple {24600#true} assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~1 := 1; {24600#true} is VALID [2020-07-28 18:58:49,829 INFO L280 TraceCheckUtils]: 22: Hoare triple {24600#true} isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; {24600#true} is VALID [2020-07-28 18:58:49,829 INFO L280 TraceCheckUtils]: 23: Hoare triple {24600#true} processEnvironment__wrappee__methaneQuery_#t~ret48 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret48 && processEnvironment__wrappee__methaneQuery_#t~ret48 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~5 := processEnvironment__wrappee__methaneQuery_#t~ret48;havoc processEnvironment__wrappee__methaneQuery_#t~ret48; {24600#true} is VALID [2020-07-28 18:58:49,829 INFO L280 TraceCheckUtils]: 24: Hoare triple {24600#true} assume 0 != processEnvironment__wrappee__methaneQuery_~tmp~5;havoc activatePump_#t~ret50, activatePump_~tmp~7;havoc activatePump_~tmp~7;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {24600#true} is VALID [2020-07-28 18:58:49,830 INFO L280 TraceCheckUtils]: 25: Hoare triple {24600#true} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {24600#true} is VALID [2020-07-28 18:58:49,830 INFO L280 TraceCheckUtils]: 26: Hoare triple {24600#true} activatePump_#t~ret50 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret50 && activatePump_#t~ret50 <= 2147483647;activatePump_~tmp~7 := activatePump_#t~ret50;havoc activatePump_#t~ret50; {24600#true} is VALID [2020-07-28 18:58:49,830 INFO L280 TraceCheckUtils]: 27: Hoare triple {24600#true} assume !(0 != activatePump_~tmp~7);~pumpRunning~0 := 1; {24600#true} is VALID [2020-07-28 18:58:49,830 INFO L280 TraceCheckUtils]: 28: Hoare triple {24600#true} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {24600#true} is VALID [2020-07-28 18:58:49,830 INFO L280 TraceCheckUtils]: 29: Hoare triple {24600#true} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {24600#true} is VALID [2020-07-28 18:58:49,831 INFO L280 TraceCheckUtils]: 30: Hoare triple {24600#true} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); {24600#true} is VALID [2020-07-28 18:58:49,831 INFO L280 TraceCheckUtils]: 31: Hoare triple {24600#true} assume !false; {24600#true} is VALID [2020-07-28 18:58:49,831 INFO L280 TraceCheckUtils]: 32: Hoare triple {24600#true} assume test_~splverifierCounter~0 < 4; {24600#true} is VALID [2020-07-28 18:58:49,831 INFO L280 TraceCheckUtils]: 33: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet69 && test_#t~nondet69 <= 2147483647;test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; {24600#true} is VALID [2020-07-28 18:58:49,831 INFO L280 TraceCheckUtils]: 34: Hoare triple {24600#true} assume !(0 != test_~tmp~9); {24600#true} is VALID [2020-07-28 18:58:49,832 INFO L280 TraceCheckUtils]: 35: Hoare triple {24600#true} assume -2147483648 <= test_#t~nondet70 && test_#t~nondet70 <= 2147483647;test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; {24600#true} is VALID [2020-07-28 18:58:49,832 INFO L280 TraceCheckUtils]: 36: Hoare triple {24600#true} assume 0 != test_~tmp___0~2; {24600#true} is VALID [2020-07-28 18:58:49,833 INFO L280 TraceCheckUtils]: 37: Hoare triple {24600#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {24721#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,833 INFO L280 TraceCheckUtils]: 38: Hoare triple {24721#(<= 1 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet71 && test_#t~nondet71 <= 2147483647;test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; {24721#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,834 INFO L280 TraceCheckUtils]: 39: Hoare triple {24721#(<= 1 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {24721#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,834 INFO L280 TraceCheckUtils]: 40: Hoare triple {24721#(<= 1 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0; {24721#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,835 INFO L280 TraceCheckUtils]: 41: Hoare triple {24721#(<= 1 ~methaneLevelCritical~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {24721#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,835 INFO L280 TraceCheckUtils]: 42: Hoare triple {24721#(<= 1 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; {24721#(<= 1 ~methaneLevelCritical~0)} is VALID [2020-07-28 18:58:49,836 INFO L280 TraceCheckUtils]: 43: Hoare triple {24721#(<= 1 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret51, isMethaneAlarm_~retValue_acc~7;havoc isMethaneAlarm_~retValue_acc~7;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {24740#(<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 18:58:49,837 INFO L280 TraceCheckUtils]: 44: Hoare triple {24740#(<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)} isMethaneAlarm_#t~ret51 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret51 && isMethaneAlarm_#t~ret51 <= 2147483647;isMethaneAlarm_~retValue_acc~7 := isMethaneAlarm_#t~ret51;havoc isMethaneAlarm_#t~ret51;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~7; {24744#(<= 1 |ULTIMATE.start_isMethaneAlarm_#res|)} is VALID [2020-07-28 18:58:49,838 INFO L280 TraceCheckUtils]: 45: Hoare triple {24744#(<= 1 |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; {24748#(<= 1 ULTIMATE.start_processEnvironment_~tmp~6)} is VALID [2020-07-28 18:58:49,839 INFO L280 TraceCheckUtils]: 46: Hoare triple {24748#(<= 1 ULTIMATE.start_processEnvironment_~tmp~6)} assume !(0 != processEnvironment_~tmp~6);havoc processEnvironment__wrappee__methaneQuery_#t~ret48, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; {24601#false} is VALID [2020-07-28 18:58:49,839 INFO L280 TraceCheckUtils]: 47: Hoare triple {24601#false} assume !(0 == ~pumpRunning~0); {24601#false} is VALID [2020-07-28 18:58:49,839 INFO L280 TraceCheckUtils]: 48: Hoare triple {24601#false} havoc __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; {24601#false} is VALID [2020-07-28 18:58:49,839 INFO L280 TraceCheckUtils]: 49: Hoare triple {24601#false} __utac_acc__Specification1_spec__1_#t~ret46 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret46 && __utac_acc__Specification1_spec__1_#t~ret46 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret46;havoc __utac_acc__Specification1_spec__1_#t~ret46; {24601#false} is VALID [2020-07-28 18:58:49,839 INFO L280 TraceCheckUtils]: 50: Hoare triple {24601#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~4;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; {24601#false} is VALID [2020-07-28 18:58:49,840 INFO L280 TraceCheckUtils]: 51: Hoare triple {24601#false} __utac_acc__Specification1_spec__1_#t~ret47 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47 && __utac_acc__Specification1_spec__1_#t~ret47 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~0 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; {24601#false} is VALID [2020-07-28 18:58:49,840 INFO L280 TraceCheckUtils]: 52: Hoare triple {24601#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~0; {24601#false} is VALID [2020-07-28 18:58:49,840 INFO L280 TraceCheckUtils]: 53: Hoare triple {24601#false} assume !false; {24601#false} is VALID [2020-07-28 18:58:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-28 18:58:49,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 18:58:49,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2020-07-28 18:58:49,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111441337] [2020-07-28 18:58:49,844 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-28 18:58:49,844 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:58:49,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:58:49,907 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:49,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:58:49,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 18:58:49,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:58:49,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-07-28 18:58:49,908 INFO L87 Difference]: Start difference. First operand 276 states and 353 transitions. Second operand 6 states. [2020-07-28 18:58:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:52,756 INFO L93 Difference]: Finished difference Result 759 states and 974 transitions. [2020-07-28 18:58:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 18:58:52,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-28 18:58:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:58:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:52,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 422 transitions. [2020-07-28 18:58:52,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:58:52,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 422 transitions. [2020-07-28 18:58:52,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 422 transitions. [2020-07-28 18:58:53,194 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 422 edges. 422 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:58:53,194 INFO L225 Difference]: With dead ends: 759 [2020-07-28 18:58:53,195 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:58:53,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-07-28 18:58:53,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:58:53,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:58:53,197 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:58:53,197 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:53,197 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:53,198 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:53,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,198 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:58:53,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:53,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,199 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:53,199 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:53,199 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:58:53,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:58:53,199 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:58:53,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:53,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,200 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:58:53,200 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:58:53,200 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:58:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:58:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:58:53,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-07-28 18:58:53,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:58:53,202 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:58:53,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:58:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:58:53,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:58:53,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-28 18:58:53,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:58:53,596 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-07-28 18:58:53,829 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 98 [2020-07-28 18:58:54,116 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 86 [2020-07-28 18:58:54,657 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 158 [2020-07-28 18:58:55,128 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 151 [2020-07-28 18:58:55,293 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 98 [2020-07-28 18:58:55,783 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 159 [2020-07-28 18:58:56,132 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2020-07-28 18:58:56,489 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 159 [2020-07-28 18:58:56,813 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 15 [2020-07-28 18:58:57,196 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 27 [2020-07-28 18:58:57,558 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 15 [2020-07-28 18:58:58,323 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2020-07-28 18:58:59,100 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-07-28 18:58:59,495 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 27 [2020-07-28 18:59:00,377 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 21 [2020-07-28 18:59:01,116 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 13 [2020-07-28 18:59:01,994 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 21 [2020-07-28 18:59:02,310 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 23 [2020-07-28 18:59:02,379 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2020-07-28 18:59:02,380 INFO L264 CegarLoopResult]: At program point L135(lines 126 139) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~systemActive~0)) [2020-07-28 18:59:02,380 INFO L264 CegarLoopResult]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1 .cse2))) [2020-07-28 18:59:02,380 INFO L264 CegarLoopResult]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2020-07-28 18:59:02,381 INFO L264 CegarLoopResult]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2020-07-28 18:59:02,381 INFO L264 CegarLoopResult]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2020-07-28 18:59:02,381 INFO L264 CegarLoopResult]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2020-07-28 18:59:02,381 INFO L264 CegarLoopResult]: At program point L928(lines 877 929) the Hoare annotation is: false [2020-07-28 18:59:02,381 INFO L264 CegarLoopResult]: At program point L202(lines 198 204) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:02,382 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-28 18:59:02,382 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-28 18:59:02,382 INFO L268 CegarLoopResult]: For program point L863-2(line 863) no Hoare annotation was computed. [2020-07-28 18:59:02,382 INFO L264 CegarLoopResult]: At program point L831(lines 816 834) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~systemActive~0)) [2020-07-28 18:59:02,382 INFO L264 CegarLoopResult]: At program point L831-1(lines 816 834) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1 .cse2))) [2020-07-28 18:59:02,382 INFO L264 CegarLoopResult]: At program point L831-2(lines 816 834) the Hoare annotation is: false [2020-07-28 18:59:02,383 INFO L264 CegarLoopResult]: At program point L831-3(lines 816 834) the Hoare annotation is: false [2020-07-28 18:59:02,383 INFO L264 CegarLoopResult]: At program point L831-4(lines 816 834) the Hoare annotation is: false [2020-07-28 18:59:02,383 INFO L264 CegarLoopResult]: At program point L831-5(lines 816 834) the Hoare annotation is: false [2020-07-28 18:59:02,383 INFO L268 CegarLoopResult]: For program point L898(lines 898 904) no Hoare annotation was computed. [2020-07-28 18:59:02,383 INFO L264 CegarLoopResult]: At program point L898-1(lines 898 904) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse1 .cse5 .cse4))) [2020-07-28 18:59:02,383 INFO L271 CegarLoopResult]: At program point L238(lines 219 241) the Hoare annotation is: true [2020-07-28 18:59:02,383 INFO L264 CegarLoopResult]: At program point L767(lines 760 770) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1) (and (= 0 ~methaneLevelCritical~0) .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2020-07-28 18:59:02,384 INFO L264 CegarLoopResult]: At program point L767-1(lines 760 770) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~systemActive~0)) [2020-07-28 18:59:02,384 INFO L264 CegarLoopResult]: At program point L767-2(lines 760 770) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2))) [2020-07-28 18:59:02,384 INFO L264 CegarLoopResult]: At program point L767-3(lines 760 770) the Hoare annotation is: false [2020-07-28 18:59:02,384 INFO L264 CegarLoopResult]: At program point L767-4(lines 760 770) the Hoare annotation is: false [2020-07-28 18:59:02,384 INFO L264 CegarLoopResult]: At program point L767-5(lines 760 770) the Hoare annotation is: false [2020-07-28 18:59:02,385 INFO L264 CegarLoopResult]: At program point L767-6(lines 760 770) the Hoare annotation is: false [2020-07-28 18:59:02,385 INFO L264 CegarLoopResult]: At program point L767-7(lines 760 770) the Hoare annotation is: false [2020-07-28 18:59:02,385 INFO L264 CegarLoopResult]: At program point L767-8(lines 760 770) the Hoare annotation is: false [2020-07-28 18:59:02,385 INFO L264 CegarLoopResult]: At program point L967(lines 962 970) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:02,385 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2020-07-28 18:59:02,386 INFO L268 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2020-07-28 18:59:02,386 INFO L268 CegarLoopResult]: For program point L706(lines 706 723) no Hoare annotation was computed. [2020-07-28 18:59:02,386 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 723) no Hoare annotation was computed. [2020-07-28 18:59:02,386 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 723) no Hoare annotation was computed. [2020-07-28 18:59:02,386 INFO L268 CegarLoopResult]: For program point L839(lines 839 845) no Hoare annotation was computed. [2020-07-28 18:59:02,386 INFO L264 CegarLoopResult]: At program point L839-1(lines 839 845) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and .cse0 (= 1 ~methaneLevelCritical~0) .cse1))) [2020-07-28 18:59:02,386 INFO L268 CegarLoopResult]: For program point L742(lines 742 748) no Hoare annotation was computed. [2020-07-28 18:59:02,386 INFO L268 CegarLoopResult]: For program point L742-2(lines 742 748) no Hoare annotation was computed. [2020-07-28 18:59:02,387 INFO L268 CegarLoopResult]: For program point L742-4(lines 742 748) no Hoare annotation was computed. [2020-07-28 18:59:02,387 INFO L268 CegarLoopResult]: For program point L742-6(lines 742 748) no Hoare annotation was computed. [2020-07-28 18:59:02,387 INFO L268 CegarLoopResult]: For program point L742-8(lines 742 748) no Hoare annotation was computed. [2020-07-28 18:59:02,387 INFO L268 CegarLoopResult]: For program point L742-10(lines 742 748) no Hoare annotation was computed. [2020-07-28 18:59:02,387 INFO L268 CegarLoopResult]: For program point L908(lines 908 923) no Hoare annotation was computed. [2020-07-28 18:59:02,387 INFO L264 CegarLoopResult]: At program point L776(lines 771 779) the Hoare annotation is: (let ((.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0) .cse3 .cse4))) [2020-07-28 18:59:02,387 INFO L264 CegarLoopResult]: At program point L776-1(lines 771 779) the Hoare annotation is: false [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L710(lines 710 718) no Hoare annotation was computed. [2020-07-28 18:59:02,388 INFO L264 CegarLoopResult]: At program point L776-2(lines 771 779) the Hoare annotation is: false [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L710-1(lines 710 718) no Hoare annotation was computed. [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L710-2(lines 710 718) no Hoare annotation was computed. [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L680(lines 680 697) no Hoare annotation was computed. [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L680-1(lines 680 697) no Hoare annotation was computed. [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L680-2(lines 680 697) no Hoare annotation was computed. [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L680-3(lines 680 697) no Hoare annotation was computed. [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L680-4(lines 680 697) no Hoare annotation was computed. [2020-07-28 18:59:02,388 INFO L268 CegarLoopResult]: For program point L680-5(lines 680 697) no Hoare annotation was computed. [2020-07-28 18:59:02,389 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:59:02,389 INFO L268 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2020-07-28 18:59:02,389 INFO L268 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2020-07-28 18:59:02,389 INFO L268 CegarLoopResult]: For program point L879(lines 878 927) no Hoare annotation was computed. [2020-07-28 18:59:02,389 INFO L268 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2020-07-28 18:59:02,389 INFO L264 CegarLoopResult]: At program point L648(lines 647 666) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse1 .cse5 .cse4))) [2020-07-28 18:59:02,389 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2020-07-28 18:59:02,389 INFO L264 CegarLoopResult]: At program point L648-2(lines 647 666) the Hoare annotation is: false [2020-07-28 18:59:02,389 INFO L264 CegarLoopResult]: At program point L648-3(lines 647 666) the Hoare annotation is: false [2020-07-28 18:59:02,389 INFO L264 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: false [2020-07-28 18:59:02,389 INFO L268 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-07-28 18:59:02,390 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-28 18:59:02,390 INFO L268 CegarLoopResult]: For program point L684(lines 684 692) no Hoare annotation was computed. [2020-07-28 18:59:02,390 INFO L268 CegarLoopResult]: For program point L684-1(lines 684 692) no Hoare annotation was computed. [2020-07-28 18:59:02,390 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2020-07-28 18:59:02,390 INFO L268 CegarLoopResult]: For program point L684-3(lines 684 692) no Hoare annotation was computed. [2020-07-28 18:59:02,391 INFO L268 CegarLoopResult]: For program point L684-4(lines 684 692) no Hoare annotation was computed. [2020-07-28 18:59:02,391 INFO L268 CegarLoopResult]: For program point L684-5(lines 684 692) no Hoare annotation was computed. [2020-07-28 18:59:02,391 INFO L264 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) .cse1))) [2020-07-28 18:59:02,391 INFO L264 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~systemActive~0)) [2020-07-28 18:59:02,391 INFO L264 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 (= 1 ~methaneLevelCritical~0) .cse1 .cse2))) [2020-07-28 18:59:02,392 INFO L264 CegarLoopResult]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse5 .cse1 .cse3 .cse4 .cse6))) [2020-07-28 18:59:02,392 INFO L264 CegarLoopResult]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2020-07-28 18:59:02,392 INFO L264 CegarLoopResult]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2020-07-28 18:59:02,392 INFO L268 CegarLoopResult]: For program point L916(lines 916 922) no Hoare annotation was computed. [2020-07-28 18:59:02,392 INFO L264 CegarLoopResult]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2020-07-28 18:59:02,393 INFO L264 CegarLoopResult]: At program point L916-1(lines 648 654) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse1 .cse5 .cse4))) [2020-07-28 18:59:02,393 INFO L264 CegarLoopResult]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2020-07-28 18:59:02,393 INFO L264 CegarLoopResult]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2020-07-28 18:59:02,393 INFO L264 CegarLoopResult]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2020-07-28 18:59:02,393 INFO L264 CegarLoopResult]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2020-07-28 18:59:02,393 INFO L264 CegarLoopResult]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2020-07-28 18:59:02,394 INFO L268 CegarLoopResult]: For program point L619(lines 619 632) no Hoare annotation was computed. [2020-07-28 18:59:02,394 INFO L264 CegarLoopResult]: At program point L619-1(lines 1 970) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse7 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2 .cse6) (and .cse7 .cse1 .cse8 .cse5 .cse2) (and .cse7 .cse1 .cse8 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse6 .cse3))) [2020-07-28 18:59:02,394 INFO L268 CegarLoopResult]: For program point L619-2(lines 619 632) no Hoare annotation was computed. [2020-07-28 18:59:02,394 INFO L264 CegarLoopResult]: At program point L619-3(lines 1 970) the Hoare annotation is: false [2020-07-28 18:59:02,394 INFO L268 CegarLoopResult]: For program point L619-4(lines 619 632) no Hoare annotation was computed. [2020-07-28 18:59:02,395 INFO L264 CegarLoopResult]: At program point L619-5(lines 1 970) the Hoare annotation is: false [2020-07-28 18:59:02,395 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:59:02,395 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-28 18:59:02,395 INFO L268 CegarLoopResult]: For program point L157-1(lines 648 654) no Hoare annotation was computed. [2020-07-28 18:59:02,395 INFO L264 CegarLoopResult]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (and .cse1 .cse5 .cse4 .cse2) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse1 .cse5 .cse2 .cse3))) [2020-07-28 18:59:02,395 INFO L264 CegarLoopResult]: At program point L655-1(lines 655 661) the Hoare annotation is: false [2020-07-28 18:59:02,396 INFO L264 CegarLoopResult]: At program point L655-2(lines 655 661) the Hoare annotation is: false [2020-07-28 18:59:02,396 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:59:02,396 INFO L268 CegarLoopResult]: For program point L623(lines 623 629) no Hoare annotation was computed. [2020-07-28 18:59:02,396 INFO L268 CegarLoopResult]: For program point L623-2(lines 623 629) no Hoare annotation was computed. [2020-07-28 18:59:02,396 INFO L268 CegarLoopResult]: For program point L623-4(lines 623 629) no Hoare annotation was computed. [2020-07-28 18:59:02,396 INFO L268 CegarLoopResult]: For program point L888(lines 888 894) no Hoare annotation was computed. [2020-07-28 18:59:02,397 INFO L264 CegarLoopResult]: At program point L888-1(lines 888 894) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse7 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse8 (= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2 .cse6) (and .cse7 .cse1 .cse8 .cse5 .cse2) (and .cse7 .cse1 .cse8 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse6 .cse3))) [2020-07-28 18:59:02,397 INFO L268 CegarLoopResult]: For program point L229(lines 229 236) no Hoare annotation was computed. [2020-07-28 18:59:02,397 INFO L271 CegarLoopResult]: At program point L229-1(lines 229 236) the Hoare annotation is: true [2020-07-28 18:59:02,397 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-28 18:59:02,397 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2020-07-28 18:59:02,398 INFO L268 CegarLoopResult]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2020-07-28 18:59:02,398 INFO L268 CegarLoopResult]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2020-07-28 18:59:02,398 INFO L268 CegarLoopResult]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2020-07-28 18:59:02,398 INFO L268 CegarLoopResult]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2020-07-28 18:59:02,398 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-28 18:59:02,398 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:59:02,398 INFO L268 CegarLoopResult]: For program point L825(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,399 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2020-07-28 18:59:02,399 INFO L268 CegarLoopResult]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,399 INFO L268 CegarLoopResult]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,399 INFO L268 CegarLoopResult]: For program point L825-5(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,399 INFO L268 CegarLoopResult]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,399 INFO L268 CegarLoopResult]: For program point L825-8(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,400 INFO L268 CegarLoopResult]: For program point L825-9(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,400 INFO L268 CegarLoopResult]: For program point L825-11(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,400 INFO L268 CegarLoopResult]: For program point L825-12(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,400 INFO L268 CegarLoopResult]: For program point L825-14(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,400 INFO L268 CegarLoopResult]: For program point L825-15(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,400 INFO L268 CegarLoopResult]: For program point L825-17(lines 825 829) no Hoare annotation was computed. [2020-07-28 18:59:02,401 INFO L264 CegarLoopResult]: At program point L959(lines 1 970) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 18:59:02,404 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:59:02,404 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:59:02,405 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 18:59:02,405 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 18:59:02,405 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L648-1 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L648-1 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L648-1 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L880 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 18:59:02,407 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L706-1 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L888 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L706-1 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L706-1 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L898 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L680-3 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L680-3 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:59:02,408 WARN L170 areAnnotationChecker]: L898 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L898 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L710-1 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L130-3 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L130-3 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L619-2 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L77 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L908 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L710-1 has no Hoare annotation [2020-07-28 18:59:02,409 WARN L170 areAnnotationChecker]: L710-1 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L825-9 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L623-2 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L908 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L908 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L680-2 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L680-2 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L825-9 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L825-9 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L623-2 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L623-2 has no Hoare annotation [2020-07-28 18:59:02,410 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-28 18:59:02,411 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:59:02,415 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2020-07-28 18:59:02,415 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2020-07-28 18:59:02,415 WARN L170 areAnnotationChecker]: L130-2 has no Hoare annotation [2020-07-28 18:59:02,415 WARN L170 areAnnotationChecker]: L130-2 has no Hoare annotation [2020-07-28 18:59:02,416 WARN L170 areAnnotationChecker]: L825-11 has no Hoare annotation [2020-07-28 18:59:02,416 WARN L170 areAnnotationChecker]: L863-1 has no Hoare annotation [2020-07-28 18:59:02,416 WARN L170 areAnnotationChecker]: L863-1 has no Hoare annotation [2020-07-28 18:59:02,416 WARN L170 areAnnotationChecker]: L154 has no Hoare annotation [2020-07-28 18:59:02,416 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:59:02,416 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-28 18:59:02,416 WARN L170 areAnnotationChecker]: L706 has no Hoare annotation [2020-07-28 18:59:02,417 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-28 18:59:02,417 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-28 18:59:02,417 WARN L170 areAnnotationChecker]: L825-6 has no Hoare annotation [2020-07-28 18:59:02,417 WARN L170 areAnnotationChecker]: L684-3 has no Hoare annotation [2020-07-28 18:59:02,417 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2020-07-28 18:59:02,417 WARN L170 areAnnotationChecker]: L157 has no Hoare annotation [2020-07-28 18:59:02,417 WARN L170 areAnnotationChecker]: L706 has no Hoare annotation [2020-07-28 18:59:02,417 WARN L170 areAnnotationChecker]: L706 has no Hoare annotation [2020-07-28 18:59:02,419 WARN L170 areAnnotationChecker]: L825-6 has no Hoare annotation [2020-07-28 18:59:02,419 WARN L170 areAnnotationChecker]: L825-6 has no Hoare annotation [2020-07-28 18:59:02,419 WARN L170 areAnnotationChecker]: L684-3 has no Hoare annotation [2020-07-28 18:59:02,419 WARN L170 areAnnotationChecker]: L684-3 has no Hoare annotation [2020-07-28 18:59:02,419 WARN L170 areAnnotationChecker]: L157-1 has no Hoare annotation [2020-07-28 18:59:02,419 WARN L170 areAnnotationChecker]: L157-1 has no Hoare annotation [2020-07-28 18:59:02,420 WARN L170 areAnnotationChecker]: L680-1 has no Hoare annotation [2020-07-28 18:59:02,420 WARN L170 areAnnotationChecker]: L680-1 has no Hoare annotation [2020-07-28 18:59:02,420 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:59:02,420 WARN L170 areAnnotationChecker]: L825-8 has no Hoare annotation [2020-07-28 18:59:02,420 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 18:59:02,420 WARN L170 areAnnotationChecker]: L53-6 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L706-2 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L710 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L684-2 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L742-6 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L706-2 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L706-2 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L710 has no Hoare annotation [2020-07-28 18:59:02,421 WARN L170 areAnnotationChecker]: L710 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L825-3 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L684-2 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L684-2 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L742-6 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L742-6 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L680-5 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L680-5 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L680 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L680 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L825-3 has no Hoare annotation [2020-07-28 18:59:02,422 WARN L170 areAnnotationChecker]: L825-3 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L710-2 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L130-5 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L130-5 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L619-4 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L825-5 has no Hoare annotation [2020-07-28 18:59:02,423 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 18:59:02,424 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 18:59:02,424 WARN L170 areAnnotationChecker]: L742-4 has no Hoare annotation [2020-07-28 18:59:02,424 WARN L170 areAnnotationChecker]: L710-2 has no Hoare annotation [2020-07-28 18:59:02,424 WARN L170 areAnnotationChecker]: L710-2 has no Hoare annotation [2020-07-28 18:59:02,424 WARN L170 areAnnotationChecker]: L825-15 has no Hoare annotation [2020-07-28 18:59:02,424 WARN L170 areAnnotationChecker]: L623-4 has no Hoare annotation [2020-07-28 18:59:02,424 WARN L170 areAnnotationChecker]: L825 has no Hoare annotation [2020-07-28 18:59:02,424 WARN L170 areAnnotationChecker]: L684-1 has no Hoare annotation [2020-07-28 18:59:02,425 WARN L170 areAnnotationChecker]: L742-4 has no Hoare annotation [2020-07-28 18:59:02,425 WARN L170 areAnnotationChecker]: L742-4 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L680-4 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L680-4 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L825-15 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L825-15 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L623-4 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L623-4 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L825 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L825 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L684-1 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L684-1 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L130-4 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L130-4 has no Hoare annotation [2020-07-28 18:59:02,426 WARN L170 areAnnotationChecker]: L825-17 has no Hoare annotation [2020-07-28 18:59:02,427 WARN L170 areAnnotationChecker]: L863-2 has no Hoare annotation [2020-07-28 18:59:02,427 WARN L170 areAnnotationChecker]: L863-2 has no Hoare annotation [2020-07-28 18:59:02,427 WARN L170 areAnnotationChecker]: L825-2 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L825-12 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L684-5 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L684 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L742-2 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L825-12 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L825-12 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L684-5 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L684-5 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L684 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L684 has no Hoare annotation [2020-07-28 18:59:02,428 WARN L170 areAnnotationChecker]: L742-2 has no Hoare annotation [2020-07-28 18:59:02,429 WARN L170 areAnnotationChecker]: L742-2 has no Hoare annotation [2020-07-28 18:59:02,429 WARN L170 areAnnotationChecker]: L825-14 has no Hoare annotation [2020-07-28 18:59:02,429 WARN L170 areAnnotationChecker]: L684-4 has no Hoare annotation [2020-07-28 18:59:02,429 WARN L170 areAnnotationChecker]: L742-10 has no Hoare annotation [2020-07-28 18:59:02,429 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-28 18:59:02,429 WARN L170 areAnnotationChecker]: L684-4 has no Hoare annotation [2020-07-28 18:59:02,430 WARN L170 areAnnotationChecker]: L684-4 has no Hoare annotation [2020-07-28 18:59:02,430 WARN L170 areAnnotationChecker]: L742-10 has no Hoare annotation [2020-07-28 18:59:02,430 WARN L170 areAnnotationChecker]: L742-10 has no Hoare annotation [2020-07-28 18:59:02,430 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-28 18:59:02,430 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-28 18:59:02,430 WARN L170 areAnnotationChecker]: L742-8 has no Hoare annotation [2020-07-28 18:59:02,430 WARN L170 areAnnotationChecker]: L742-8 has no Hoare annotation [2020-07-28 18:59:02,430 WARN L170 areAnnotationChecker]: L742-8 has no Hoare annotation [2020-07-28 18:59:02,430 INFO L163 areAnnotationChecker]: CFG has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:59:02,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:59:02 BoogieIcfgContainer [2020-07-28 18:59:02,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:59:02,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:59:02,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:59:02,476 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:59:02,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:58:25" (3/4) ... [2020-07-28 18:59:02,480 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:59:02,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 18:59:02,500 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 18:59:02,501 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:59:02,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:59:02,504 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:59:02,505 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:02,506 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:59:02,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methaneLevelCritical && tmp == 0) && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) && 0 == \result)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methaneLevelCritical && tmp == 0) && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive) [2020-07-28 18:59:02,538 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methaneLevelCritical && tmp == 0) && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) && 0 == \result)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methaneLevelCritical && tmp == 0) && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive) [2020-07-28 18:59:02,540 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 18:59:02,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) && 0 == \result) [2020-07-28 18:59:02,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive) || (((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) [2020-07-28 18:59:02,543 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 == systemActive) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive) [2020-07-28 18:59:02,543 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == \result) && 0 == pumpRunning) [2020-07-28 18:59:02,546 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive [2020-07-28 18:59:02,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 18:59:02,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive [2020-07-28 18:59:02,547 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 18:59:02,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive [2020-07-28 18:59:02,549 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive [2020-07-28 18:59:02,636 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:59:02,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:59:02,639 INFO L168 Benchmark]: Toolchain (without parser) took 39649.26 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 645.4 MB). Free memory was 960.2 MB in the beginning and 1.3 GB in the end (delta: -299.1 MB). Peak memory consumption was 346.3 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,640 INFO L168 Benchmark]: CDTParser took 0.76 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 18:59:02,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.00 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,641 INFO L168 Benchmark]: Boogie Preprocessor took 59.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:59:02,642 INFO L168 Benchmark]: RCFGBuilder took 1666.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.3 MB in the end (delta: 198.1 MB). Peak memory consumption was 198.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,642 INFO L168 Benchmark]: TraceAbstraction took 36993.53 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 520.1 MB). Free memory was 900.3 MB in the beginning and 1.3 GB in the end (delta: -375.7 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,643 INFO L168 Benchmark]: Witness Printer took 161.08 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:59:02,645 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 0.76 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 637.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.00 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1666.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.3 MB in the end (delta: 198.1 MB). Peak memory consumption was 198.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36993.53 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 520.1 MB). Free memory was 900.3 MB in the beginning and 1.3 GB in the end (delta: -375.7 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. * Witness Printer took 161.08 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 863]: 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: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methaneLevelCritical && tmp == 0) && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) && 0 == \result)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methaneLevelCritical && tmp == 0) && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 == systemActive) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == systemActive)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || ((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 == systemActive) - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == \result) && 0 == pumpRunning) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) || (((((0 == methaneLevelCritical && tmp == 0) && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) && 0 == \result)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methaneLevelCritical && tmp == 0) && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == systemActive)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || ((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 == systemActive) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) || ((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == pumpRunning) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive) || (((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 == systemActive) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 == systemActive)) || (((0 == splverifierCounter && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning)) || ((0 == splverifierCounter && 1 == methaneLevelCritical) && 1 == systemActive) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || (((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == \result) && 1 == systemActive)) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) && 0 == \result) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive) || ((((1 == \result && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == \result) && 1 == systemActive - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.8s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1395 SDtfs, 1970 SDslu, 2534 SDs, 0 SdLazy, 372 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 2037 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 314 NumberOfFragments, 808 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1620224 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 238703 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 415 ConstructedInterpolants, 0 QuantifiedInterpolants, 24142 SizeOfPredicates, 6 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 40/42 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...