./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product63.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_spec4_product63.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 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:04:25,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:04:25,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:04:25,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:04:25,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:04:25,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:04:25,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:04:25,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:04:25,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:04:25,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:04:25,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:04:25,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:04:25,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:04:25,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:04:25,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:04:25,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:04:25,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:04:25,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:04:25,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:04:25,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:04:25,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:04:25,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:04:25,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:04:25,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:04:25,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:04:25,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:04:25,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:04:25,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:04:25,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:04:25,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:04:25,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:04:25,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:04:25,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:04:25,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:04:25,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:04:25,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:04:25,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:04:25,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:04:25,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:04:25,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:04:25,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:04:25,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:04:25,847 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:04:25,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:04:25,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:04:25,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:04:25,849 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:04:25,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:04:25,849 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:04:25,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:04:25,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:04:25,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:04:25,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:04:25,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:04:25,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:04:25,851 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:04:25,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:04:25,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:04:25,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:04:25,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:04:25,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:04:25,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:04:25,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:04:25,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:04:25,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:04:25,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:04:25,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:04:25,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:04:25,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:04:25,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:04:25,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:04:25,854 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 -> 3f5feda30a80cf6aabd7a2a811c7fc0f92333d0d [2020-07-28 19:04:26,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:04:26,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:04:26,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:04:26,172 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:04:26,173 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:04:26,173 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2020-07-28 19:04:26,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f88ec12b/a7f0bc0e7ab74abfa1bf4f477ccad1d4/FLAG0a8c87616 [2020-07-28 19:04:26,830 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:04:26,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product63.cil.c [2020-07-28 19:04:26,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f88ec12b/a7f0bc0e7ab74abfa1bf4f477ccad1d4/FLAG0a8c87616 [2020-07-28 19:04:27,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f88ec12b/a7f0bc0e7ab74abfa1bf4f477ccad1d4 [2020-07-28 19:04:27,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:04:27,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:04:27,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:04:27,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:04:27,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:04:27,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:27,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1897fb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27, skipping insertion in model container [2020-07-28 19:04:27,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:27,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:04:27,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:04:27,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:04:27,692 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:04:27,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:04:27,862 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:04:27,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27 WrapperNode [2020-07-28 19:04:27,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:04:27,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:04:27,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:04:27,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:04:27,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:27,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:27,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:04:27,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:04:27,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:04:27,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:04:28,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:28,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:28,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:28,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:28,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:28,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:28,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... [2020-07-28 19:04:28,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:04:28,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:04:28,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:04:28,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:04:28,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:04:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:04:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:04:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:04:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:04:30,590 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:04:30,591 INFO L295 CfgBuilder]: Removed 352 assume(true) statements. [2020-07-28 19:04:30,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:30 BoogieIcfgContainer [2020-07-28 19:04:30,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:04:30,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:04:30,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:04:30,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:04:30,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:04:27" (1/3) ... [2020-07-28 19:04:30,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368cbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:04:30, skipping insertion in model container [2020-07-28 19:04:30,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:27" (2/3) ... [2020-07-28 19:04:30,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368cbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:04:30, skipping insertion in model container [2020-07-28 19:04:30,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:30" (3/3) ... [2020-07-28 19:04:30,620 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-07-28 19:04:30,633 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:04:30,683 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:04:30,696 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:04:30,721 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:04:30,722 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:04:30,722 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:04:30,722 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:04:30,722 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:04:30,722 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:04:30,723 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:04:30,723 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:04:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-07-28 19:04:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:04:30,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:30,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:30,756 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:30,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:30,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1634761723, now seen corresponding path program 1 times [2020-07-28 19:04:30,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:30,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326632771] [2020-07-28 19:04:30,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:31,133 INFO L280 TraceCheckUtils]: 0: Hoare triple {230#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {230#true} is VALID [2020-07-28 19:04:31,134 INFO L280 TraceCheckUtils]: 1: Hoare triple {230#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {230#true} is VALID [2020-07-28 19:04:31,134 INFO L280 TraceCheckUtils]: 2: Hoare triple {230#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {230#true} is VALID [2020-07-28 19:04:31,134 INFO L280 TraceCheckUtils]: 3: Hoare triple {230#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {230#true} is VALID [2020-07-28 19:04:31,135 INFO L280 TraceCheckUtils]: 4: Hoare triple {230#true} assume 0 != main_~tmp~3; {230#true} is VALID [2020-07-28 19:04:31,135 INFO L280 TraceCheckUtils]: 5: Hoare triple {230#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {230#true} is VALID [2020-07-28 19:04:31,136 INFO L280 TraceCheckUtils]: 6: Hoare triple {230#true} assume false; {231#false} is VALID [2020-07-28 19:04:31,136 INFO L280 TraceCheckUtils]: 7: Hoare triple {231#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {231#false} is VALID [2020-07-28 19:04:31,137 INFO L280 TraceCheckUtils]: 8: Hoare triple {231#false} assume !(0 != ~pumpRunning~0); {231#false} is VALID [2020-07-28 19:04:31,137 INFO L280 TraceCheckUtils]: 9: Hoare triple {231#false} assume !(0 != ~systemActive~0); {231#false} is VALID [2020-07-28 19:04:31,137 INFO L280 TraceCheckUtils]: 10: Hoare triple {231#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {231#false} is VALID [2020-07-28 19:04:31,138 INFO L280 TraceCheckUtils]: 11: Hoare triple {231#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {231#false} is VALID [2020-07-28 19:04:31,138 INFO L280 TraceCheckUtils]: 12: Hoare triple {231#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {231#false} is VALID [2020-07-28 19:04:31,138 INFO L280 TraceCheckUtils]: 13: Hoare triple {231#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {231#false} is VALID [2020-07-28 19:04:31,139 INFO L280 TraceCheckUtils]: 14: Hoare triple {231#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {231#false} is VALID [2020-07-28 19:04:31,139 INFO L280 TraceCheckUtils]: 15: Hoare triple {231#false} assume !false; {231#false} is VALID [2020-07-28 19:04:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:31,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326632771] [2020-07-28 19:04:31,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:31,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:31,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261518031] [2020-07-28 19:04:31,153 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:04:31,154 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:31,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:04:31,204 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 19:04:31,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:04:31,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:31,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:04:31,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:04:31,221 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2020-07-28 19:04:31,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:31,729 INFO L93 Difference]: Finished difference Result 448 states and 671 transitions. [2020-07-28 19:04:31,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:04:31,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:04:31,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:31,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:04:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 671 transitions. [2020-07-28 19:04:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:04:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 671 transitions. [2020-07-28 19:04:31,756 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 671 transitions. [2020-07-28 19:04:32,471 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 671 edges. 671 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:32,497 INFO L225 Difference]: With dead ends: 448 [2020-07-28 19:04:32,497 INFO L226 Difference]: Without dead ends: 223 [2020-07-28 19:04:32,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:04:32,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-07-28 19:04:32,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-07-28 19:04:32,580 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:32,581 INFO L82 GeneralOperation]: Start isEquivalent. First operand 223 states. Second operand 223 states. [2020-07-28 19:04:32,581 INFO L74 IsIncluded]: Start isIncluded. First operand 223 states. Second operand 223 states. [2020-07-28 19:04:32,581 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 223 states. [2020-07-28 19:04:32,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:32,594 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2020-07-28 19:04:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2020-07-28 19:04:32,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:32,597 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:32,597 INFO L74 IsIncluded]: Start isIncluded. First operand 223 states. Second operand 223 states. [2020-07-28 19:04:32,597 INFO L87 Difference]: Start difference. First operand 223 states. Second operand 223 states. [2020-07-28 19:04:32,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:32,608 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2020-07-28 19:04:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2020-07-28 19:04:32,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:32,610 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:32,610 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:32,611 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-28 19:04:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 327 transitions. [2020-07-28 19:04:32,623 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 327 transitions. Word has length 16 [2020-07-28 19:04:32,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:32,624 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 327 transitions. [2020-07-28 19:04:32,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:04:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 327 transitions. [2020-07-28 19:04:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:04:32,626 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:32,626 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 19:04:32,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:04:32,627 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:32,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:32,627 INFO L82 PathProgramCache]: Analyzing trace with hash 588004826, now seen corresponding path program 1 times [2020-07-28 19:04:32,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:32,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109653451] [2020-07-28 19:04:32,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:32,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {1622#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1622#true} is VALID [2020-07-28 19:04:32,774 INFO L280 TraceCheckUtils]: 1: Hoare triple {1622#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {1622#true} is VALID [2020-07-28 19:04:32,774 INFO L280 TraceCheckUtils]: 2: Hoare triple {1622#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {1622#true} is VALID [2020-07-28 19:04:32,775 INFO L280 TraceCheckUtils]: 3: Hoare triple {1622#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {1622#true} is VALID [2020-07-28 19:04:32,775 INFO L280 TraceCheckUtils]: 4: Hoare triple {1622#true} assume 0 != main_~tmp~3; {1622#true} is VALID [2020-07-28 19:04:32,776 INFO L280 TraceCheckUtils]: 5: Hoare triple {1622#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1624#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:04:32,777 INFO L280 TraceCheckUtils]: 6: Hoare triple {1624#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1624#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:04:32,778 INFO L280 TraceCheckUtils]: 7: Hoare triple {1624#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1623#false} is VALID [2020-07-28 19:04:32,778 INFO L280 TraceCheckUtils]: 8: Hoare triple {1623#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1623#false} is VALID [2020-07-28 19:04:32,779 INFO L280 TraceCheckUtils]: 9: Hoare triple {1623#false} assume !(0 != ~pumpRunning~0); {1623#false} is VALID [2020-07-28 19:04:32,779 INFO L280 TraceCheckUtils]: 10: Hoare triple {1623#false} assume !(0 != ~systemActive~0); {1623#false} is VALID [2020-07-28 19:04:32,779 INFO L280 TraceCheckUtils]: 11: Hoare triple {1623#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {1623#false} is VALID [2020-07-28 19:04:32,780 INFO L280 TraceCheckUtils]: 12: Hoare triple {1623#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {1623#false} is VALID [2020-07-28 19:04:32,780 INFO L280 TraceCheckUtils]: 13: Hoare triple {1623#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {1623#false} is VALID [2020-07-28 19:04:32,780 INFO L280 TraceCheckUtils]: 14: Hoare triple {1623#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {1623#false} is VALID [2020-07-28 19:04:32,780 INFO L280 TraceCheckUtils]: 15: Hoare triple {1623#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {1623#false} is VALID [2020-07-28 19:04:32,781 INFO L280 TraceCheckUtils]: 16: Hoare triple {1623#false} assume !false; {1623#false} is VALID [2020-07-28 19:04:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:32,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109653451] [2020-07-28 19:04:32,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:32,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:32,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561949928] [2020-07-28 19:04:32,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:04:32,786 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:32,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:32,817 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 19:04:32,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:32,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:32,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:32,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:32,819 INFO L87 Difference]: Start difference. First operand 223 states and 327 transitions. Second operand 3 states. [2020-07-28 19:04:33,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:33,135 INFO L93 Difference]: Finished difference Result 223 states and 327 transitions. [2020-07-28 19:04:33,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:33,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:04:33,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2020-07-28 19:04:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:33,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2020-07-28 19:04:33,145 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 327 transitions. [2020-07-28 19:04:33,520 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 327 edges. 327 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:33,524 INFO L225 Difference]: With dead ends: 223 [2020-07-28 19:04:33,524 INFO L226 Difference]: Without dead ends: 85 [2020-07-28 19:04:33,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:33,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-28 19:04:33,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-28 19:04:33,575 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:33,575 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 85 states. [2020-07-28 19:04:33,576 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 85 states. [2020-07-28 19:04:33,576 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 85 states. [2020-07-28 19:04:33,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:33,579 INFO L93 Difference]: Finished difference Result 85 states and 124 transitions. [2020-07-28 19:04:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-07-28 19:04:33,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:33,581 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:33,581 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 85 states. [2020-07-28 19:04:33,581 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 85 states. [2020-07-28 19:04:33,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:33,585 INFO L93 Difference]: Finished difference Result 85 states and 124 transitions. [2020-07-28 19:04:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-07-28 19:04:33,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:33,586 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:33,586 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:33,586 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:33,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-28 19:04:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2020-07-28 19:04:33,590 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 17 [2020-07-28 19:04:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:33,591 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2020-07-28 19:04:33,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2020-07-28 19:04:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:04:33,592 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:33,592 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 19:04:33,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:04:33,593 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:33,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:33,593 INFO L82 PathProgramCache]: Analyzing trace with hash 614961122, now seen corresponding path program 1 times [2020-07-28 19:04:33,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:33,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972222307] [2020-07-28 19:04:33,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:33,705 INFO L280 TraceCheckUtils]: 0: Hoare triple {2229#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,706 INFO L280 TraceCheckUtils]: 1: Hoare triple {2231#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,708 INFO L280 TraceCheckUtils]: 2: Hoare triple {2231#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,709 INFO L280 TraceCheckUtils]: 3: Hoare triple {2231#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,710 INFO L280 TraceCheckUtils]: 4: Hoare triple {2231#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,711 INFO L280 TraceCheckUtils]: 5: Hoare triple {2231#(= 1 ~systemActive~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,711 INFO L280 TraceCheckUtils]: 6: Hoare triple {2231#(= 1 ~systemActive~0)} assume !false; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,712 INFO L280 TraceCheckUtils]: 7: Hoare triple {2231#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,713 INFO L280 TraceCheckUtils]: 8: Hoare triple {2231#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,714 INFO L280 TraceCheckUtils]: 9: Hoare triple {2231#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~11); {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,714 INFO L280 TraceCheckUtils]: 10: Hoare triple {2231#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,715 INFO L280 TraceCheckUtils]: 11: Hoare triple {2231#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~3); {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,716 INFO L280 TraceCheckUtils]: 12: Hoare triple {2231#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,721 INFO L280 TraceCheckUtils]: 13: Hoare triple {2231#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,722 INFO L280 TraceCheckUtils]: 14: Hoare triple {2231#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {2231#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:33,723 INFO L280 TraceCheckUtils]: 15: Hoare triple {2231#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {2230#false} is VALID [2020-07-28 19:04:33,723 INFO L280 TraceCheckUtils]: 16: Hoare triple {2230#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {2230#false} is VALID [2020-07-28 19:04:33,724 INFO L280 TraceCheckUtils]: 17: Hoare triple {2230#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {2230#false} is VALID [2020-07-28 19:04:33,724 INFO L280 TraceCheckUtils]: 18: Hoare triple {2230#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {2230#false} is VALID [2020-07-28 19:04:33,724 INFO L280 TraceCheckUtils]: 19: Hoare triple {2230#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {2230#false} is VALID [2020-07-28 19:04:33,725 INFO L280 TraceCheckUtils]: 20: Hoare triple {2230#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {2230#false} is VALID [2020-07-28 19:04:33,725 INFO L280 TraceCheckUtils]: 21: Hoare triple {2230#false} assume !false; {2230#false} is VALID [2020-07-28 19:04:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:33,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972222307] [2020-07-28 19:04:33,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:33,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:33,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770532698] [2020-07-28 19:04:33,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:04:33,735 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:33,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:33,767 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 19:04:33,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:33,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:33,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:33,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:33,769 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 3 states. [2020-07-28 19:04:34,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:34,200 INFO L93 Difference]: Finished difference Result 243 states and 360 transitions. [2020-07-28 19:04:34,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:34,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:04:34,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:34,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-28 19:04:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-28 19:04:34,208 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 360 transitions. [2020-07-28 19:04:34,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:34,610 INFO L225 Difference]: With dead ends: 243 [2020-07-28 19:04:34,611 INFO L226 Difference]: Without dead ends: 164 [2020-07-28 19:04:34,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:34,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-28 19:04:34,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2020-07-28 19:04:34,719 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:34,719 INFO L82 GeneralOperation]: Start isEquivalent. First operand 164 states. Second operand 160 states. [2020-07-28 19:04:34,720 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand 160 states. [2020-07-28 19:04:34,720 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 160 states. [2020-07-28 19:04:34,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:34,729 INFO L93 Difference]: Finished difference Result 164 states and 241 transitions. [2020-07-28 19:04:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 241 transitions. [2020-07-28 19:04:34,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:34,732 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:34,740 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand 164 states. [2020-07-28 19:04:34,742 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 164 states. [2020-07-28 19:04:34,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:34,752 INFO L93 Difference]: Finished difference Result 164 states and 241 transitions. [2020-07-28 19:04:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 241 transitions. [2020-07-28 19:04:34,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:34,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:34,753 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:34,753 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-28 19:04:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2020-07-28 19:04:34,764 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 22 [2020-07-28 19:04:34,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:34,766 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2020-07-28 19:04:34,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:34,766 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2020-07-28 19:04:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:04:34,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:34,768 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 19:04:34,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:04:34,768 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:34,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:34,769 INFO L82 PathProgramCache]: Analyzing trace with hash -95779936, now seen corresponding path program 1 times [2020-07-28 19:04:34,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:34,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009476767] [2020-07-28 19:04:34,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:34,858 INFO L280 TraceCheckUtils]: 0: Hoare triple {3125#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,859 INFO L280 TraceCheckUtils]: 1: Hoare triple {3127#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,860 INFO L280 TraceCheckUtils]: 2: Hoare triple {3127#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,860 INFO L280 TraceCheckUtils]: 3: Hoare triple {3127#(= 0 ~pumpRunning~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,861 INFO L280 TraceCheckUtils]: 4: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,862 INFO L280 TraceCheckUtils]: 5: Hoare triple {3127#(= 0 ~pumpRunning~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,862 INFO L280 TraceCheckUtils]: 6: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume !false; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,863 INFO L280 TraceCheckUtils]: 7: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,863 INFO L280 TraceCheckUtils]: 8: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,864 INFO L280 TraceCheckUtils]: 9: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~11); {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,865 INFO L280 TraceCheckUtils]: 10: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,865 INFO L280 TraceCheckUtils]: 11: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,866 INFO L280 TraceCheckUtils]: 12: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,866 INFO L280 TraceCheckUtils]: 13: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,867 INFO L280 TraceCheckUtils]: 14: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,867 INFO L280 TraceCheckUtils]: 15: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,868 INFO L280 TraceCheckUtils]: 16: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,869 INFO L280 TraceCheckUtils]: 17: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {3127#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:34,869 INFO L280 TraceCheckUtils]: 18: Hoare triple {3127#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {3126#false} is VALID [2020-07-28 19:04:34,870 INFO L280 TraceCheckUtils]: 19: Hoare triple {3126#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {3126#false} is VALID [2020-07-28 19:04:34,870 INFO L280 TraceCheckUtils]: 20: Hoare triple {3126#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {3126#false} is VALID [2020-07-28 19:04:34,870 INFO L280 TraceCheckUtils]: 21: Hoare triple {3126#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {3126#false} is VALID [2020-07-28 19:04:34,870 INFO L280 TraceCheckUtils]: 22: Hoare triple {3126#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {3126#false} is VALID [2020-07-28 19:04:34,871 INFO L280 TraceCheckUtils]: 23: Hoare triple {3126#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {3126#false} is VALID [2020-07-28 19:04:34,871 INFO L280 TraceCheckUtils]: 24: Hoare triple {3126#false} assume !false; {3126#false} is VALID [2020-07-28 19:04:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:34,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009476767] [2020-07-28 19:04:34,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:34,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:34,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923605858] [2020-07-28 19:04:34,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:04:34,874 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:34,874 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:34,905 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 19:04:34,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:34,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:34,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:34,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:34,906 INFO L87 Difference]: Start difference. First operand 160 states and 237 transitions. Second operand 3 states. [2020-07-28 19:04:35,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:35,259 INFO L93 Difference]: Finished difference Result 325 states and 486 transitions. [2020-07-28 19:04:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:35,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:04:35,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:35,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2020-07-28 19:04:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2020-07-28 19:04:35,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 253 transitions. [2020-07-28 19:04:35,533 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 253 edges. 253 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:35,537 INFO L225 Difference]: With dead ends: 325 [2020-07-28 19:04:35,537 INFO L226 Difference]: Without dead ends: 171 [2020-07-28 19:04:35,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:35,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-28 19:04:35,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-07-28 19:04:35,662 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:35,662 INFO L82 GeneralOperation]: Start isEquivalent. First operand 171 states. Second operand 169 states. [2020-07-28 19:04:35,663 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand 169 states. [2020-07-28 19:04:35,663 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 169 states. [2020-07-28 19:04:35,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:35,669 INFO L93 Difference]: Finished difference Result 171 states and 244 transitions. [2020-07-28 19:04:35,669 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 244 transitions. [2020-07-28 19:04:35,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:35,670 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:35,670 INFO L74 IsIncluded]: Start isIncluded. First operand 169 states. Second operand 171 states. [2020-07-28 19:04:35,670 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 171 states. [2020-07-28 19:04:35,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:35,676 INFO L93 Difference]: Finished difference Result 171 states and 244 transitions. [2020-07-28 19:04:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 244 transitions. [2020-07-28 19:04:35,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:35,677 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:35,677 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:35,677 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:35,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-28 19:04:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 243 transitions. [2020-07-28 19:04:35,684 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 243 transitions. Word has length 25 [2020-07-28 19:04:35,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:35,684 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 243 transitions. [2020-07-28 19:04:35,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 243 transitions. [2020-07-28 19:04:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:04:35,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:35,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:35,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:04:35,685 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:35,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:35,686 INFO L82 PathProgramCache]: Analyzing trace with hash -562945097, now seen corresponding path program 1 times [2020-07-28 19:04:35,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:35,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530622169] [2020-07-28 19:04:35,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:35,770 INFO L280 TraceCheckUtils]: 0: Hoare triple {4163#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,771 INFO L280 TraceCheckUtils]: 1: Hoare triple {4165#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,772 INFO L280 TraceCheckUtils]: 2: Hoare triple {4165#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,772 INFO L280 TraceCheckUtils]: 3: Hoare triple {4165#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,773 INFO L280 TraceCheckUtils]: 4: Hoare triple {4165#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,774 INFO L280 TraceCheckUtils]: 5: Hoare triple {4165#(= 1 ~waterLevel~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,774 INFO L280 TraceCheckUtils]: 6: Hoare triple {4165#(= 1 ~waterLevel~0)} assume !false; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,775 INFO L280 TraceCheckUtils]: 7: Hoare triple {4165#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,775 INFO L280 TraceCheckUtils]: 8: Hoare triple {4165#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,776 INFO L280 TraceCheckUtils]: 9: Hoare triple {4165#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~11); {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,776 INFO L280 TraceCheckUtils]: 10: Hoare triple {4165#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,777 INFO L280 TraceCheckUtils]: 11: Hoare triple {4165#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,777 INFO L280 TraceCheckUtils]: 12: Hoare triple {4165#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,778 INFO L280 TraceCheckUtils]: 13: Hoare triple {4165#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet75 && test_#t~nondet75 <= 2147483647;test_~tmp___1~0 := test_#t~nondet75;havoc test_#t~nondet75; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,779 INFO L280 TraceCheckUtils]: 14: Hoare triple {4165#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,779 INFO L280 TraceCheckUtils]: 15: Hoare triple {4165#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,780 INFO L280 TraceCheckUtils]: 16: Hoare triple {4165#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,780 INFO L280 TraceCheckUtils]: 17: Hoare triple {4165#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,781 INFO L280 TraceCheckUtils]: 18: Hoare triple {4165#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {4165#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:35,782 INFO L280 TraceCheckUtils]: 19: Hoare triple {4165#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {4166#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:35,782 INFO L280 TraceCheckUtils]: 20: Hoare triple {4166#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {4167#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} is VALID [2020-07-28 19:04:35,783 INFO L280 TraceCheckUtils]: 21: Hoare triple {4167#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {4164#false} is VALID [2020-07-28 19:04:35,783 INFO L280 TraceCheckUtils]: 22: Hoare triple {4164#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {4164#false} is VALID [2020-07-28 19:04:35,784 INFO L280 TraceCheckUtils]: 23: Hoare triple {4164#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {4164#false} is VALID [2020-07-28 19:04:35,784 INFO L280 TraceCheckUtils]: 24: Hoare triple {4164#false} assume !false; {4164#false} is VALID [2020-07-28 19:04:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:35,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530622169] [2020-07-28 19:04:35,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:35,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:35,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145318185] [2020-07-28 19:04:35,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:04:35,786 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:35,787 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:35,817 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 19:04:35,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:35,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:35,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:35,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:35,818 INFO L87 Difference]: Start difference. First operand 169 states and 243 transitions. Second operand 5 states. [2020-07-28 19:04:36,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:36,896 INFO L93 Difference]: Finished difference Result 593 states and 857 transitions. [2020-07-28 19:04:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:36,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:04:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 356 transitions. [2020-07-28 19:04:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 356 transitions. [2020-07-28 19:04:36,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 356 transitions. [2020-07-28 19:04:37,369 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 356 edges. 356 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:37,385 INFO L225 Difference]: With dead ends: 593 [2020-07-28 19:04:37,386 INFO L226 Difference]: Without dead ends: 430 [2020-07-28 19:04:37,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:04:37,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-07-28 19:04:37,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 260. [2020-07-28 19:04:37,619 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:37,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 430 states. Second operand 260 states. [2020-07-28 19:04:37,619 INFO L74 IsIncluded]: Start isIncluded. First operand 430 states. Second operand 260 states. [2020-07-28 19:04:37,619 INFO L87 Difference]: Start difference. First operand 430 states. Second operand 260 states. [2020-07-28 19:04:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:37,635 INFO L93 Difference]: Finished difference Result 430 states and 605 transitions. [2020-07-28 19:04:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 605 transitions. [2020-07-28 19:04:37,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:37,637 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:37,637 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 430 states. [2020-07-28 19:04:37,637 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 430 states. [2020-07-28 19:04:37,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:37,654 INFO L93 Difference]: Finished difference Result 430 states and 605 transitions. [2020-07-28 19:04:37,654 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 605 transitions. [2020-07-28 19:04:37,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:37,655 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:37,656 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:37,656 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-07-28 19:04:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 364 transitions. [2020-07-28 19:04:37,664 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 364 transitions. Word has length 25 [2020-07-28 19:04:37,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:37,665 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 364 transitions. [2020-07-28 19:04:37,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 364 transitions. [2020-07-28 19:04:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-28 19:04:37,666 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:37,666 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 19:04:37,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:04:37,666 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:37,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:37,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1772713209, now seen corresponding path program 1 times [2020-07-28 19:04:37,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:37,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609371455] [2020-07-28 19:04:37,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:37,758 INFO L280 TraceCheckUtils]: 0: Hoare triple {6233#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,759 INFO L280 TraceCheckUtils]: 1: Hoare triple {6235#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,760 INFO L280 TraceCheckUtils]: 2: Hoare triple {6235#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,761 INFO L280 TraceCheckUtils]: 3: Hoare triple {6235#(= 0 ~pumpRunning~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,762 INFO L280 TraceCheckUtils]: 4: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~3; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,762 INFO L280 TraceCheckUtils]: 5: Hoare triple {6235#(= 0 ~pumpRunning~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,763 INFO L280 TraceCheckUtils]: 6: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume !false; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,764 INFO L280 TraceCheckUtils]: 7: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,765 INFO L280 TraceCheckUtils]: 8: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,766 INFO L280 TraceCheckUtils]: 9: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp~11; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,767 INFO L280 TraceCheckUtils]: 10: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,767 INFO L280 TraceCheckUtils]: 11: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,768 INFO L280 TraceCheckUtils]: 12: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~3); {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,769 INFO L280 TraceCheckUtils]: 13: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,770 INFO L280 TraceCheckUtils]: 14: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet75 && test_#t~nondet75 <= 2147483647;test_~tmp___1~0 := test_#t~nondet75;havoc test_#t~nondet75; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,771 INFO L280 TraceCheckUtils]: 15: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___1~0; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,771 INFO L280 TraceCheckUtils]: 16: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,772 INFO L280 TraceCheckUtils]: 17: Hoare triple {6235#(= 0 ~pumpRunning~0)} ~systemActive~0 := 0; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,773 INFO L280 TraceCheckUtils]: 18: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,773 INFO L280 TraceCheckUtils]: 19: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume !(0 != ~systemActive~0); {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,774 INFO L280 TraceCheckUtils]: 20: Hoare triple {6235#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,775 INFO L280 TraceCheckUtils]: 21: Hoare triple {6235#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {6235#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:37,776 INFO L280 TraceCheckUtils]: 22: Hoare triple {6235#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {6236#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:04:37,777 INFO L280 TraceCheckUtils]: 23: Hoare triple {6236#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {6237#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} is VALID [2020-07-28 19:04:37,777 INFO L280 TraceCheckUtils]: 24: Hoare triple {6237#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~0)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {6234#false} is VALID [2020-07-28 19:04:37,778 INFO L280 TraceCheckUtils]: 25: Hoare triple {6234#false} assume !false; {6234#false} is VALID [2020-07-28 19:04:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:37,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609371455] [2020-07-28 19:04:37,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:37,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:37,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425626356] [2020-07-28 19:04:37,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 19:04:37,781 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:37,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:37,817 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 19:04:37,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:37,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:37,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:37,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:37,819 INFO L87 Difference]: Start difference. First operand 260 states and 364 transitions. Second operand 5 states. [2020-07-28 19:04:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:39,570 INFO L93 Difference]: Finished difference Result 592 states and 842 transitions. [2020-07-28 19:04:39,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:39,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-07-28 19:04:39,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 375 transitions. [2020-07-28 19:04:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 375 transitions. [2020-07-28 19:04:39,576 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 375 transitions. [2020-07-28 19:04:39,969 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 375 edges. 375 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:39,996 INFO L225 Difference]: With dead ends: 592 [2020-07-28 19:04:39,996 INFO L226 Difference]: Without dead ends: 590 [2020-07-28 19:04:39,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:39,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-07-28 19:04:40,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 260. [2020-07-28 19:04:40,363 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:40,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 590 states. Second operand 260 states. [2020-07-28 19:04:40,364 INFO L74 IsIncluded]: Start isIncluded. First operand 590 states. Second operand 260 states. [2020-07-28 19:04:40,364 INFO L87 Difference]: Start difference. First operand 590 states. Second operand 260 states. [2020-07-28 19:04:40,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:40,390 INFO L93 Difference]: Finished difference Result 590 states and 839 transitions. [2020-07-28 19:04:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 839 transitions. [2020-07-28 19:04:40,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:40,391 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:40,392 INFO L74 IsIncluded]: Start isIncluded. First operand 260 states. Second operand 590 states. [2020-07-28 19:04:40,392 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 590 states. [2020-07-28 19:04:40,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:40,420 INFO L93 Difference]: Finished difference Result 590 states and 839 transitions. [2020-07-28 19:04:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 839 transitions. [2020-07-28 19:04:40,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:40,422 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:40,422 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:40,422 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-07-28 19:04:40,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 362 transitions. [2020-07-28 19:04:40,430 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 362 transitions. Word has length 26 [2020-07-28 19:04:40,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:40,430 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 362 transitions. [2020-07-28 19:04:40,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 362 transitions. [2020-07-28 19:04:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 19:04:40,433 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:40,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:40,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:04:40,433 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:40,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:40,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1614567615, now seen corresponding path program 1 times [2020-07-28 19:04:40,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:40,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628023701] [2020-07-28 19:04:40,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:40,552 INFO L280 TraceCheckUtils]: 0: Hoare triple {8620#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,553 INFO L280 TraceCheckUtils]: 1: Hoare triple {8622#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,554 INFO L280 TraceCheckUtils]: 2: Hoare triple {8622#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,554 INFO L280 TraceCheckUtils]: 3: Hoare triple {8622#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,555 INFO L280 TraceCheckUtils]: 4: Hoare triple {8622#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,555 INFO L280 TraceCheckUtils]: 5: Hoare triple {8622#(= 1 ~waterLevel~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,556 INFO L280 TraceCheckUtils]: 6: Hoare triple {8622#(= 1 ~waterLevel~0)} assume !false; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,557 INFO L280 TraceCheckUtils]: 7: Hoare triple {8622#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,558 INFO L280 TraceCheckUtils]: 8: Hoare triple {8622#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,558 INFO L280 TraceCheckUtils]: 9: Hoare triple {8622#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~11; {8622#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,559 INFO L280 TraceCheckUtils]: 10: Hoare triple {8622#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,560 INFO L280 TraceCheckUtils]: 11: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,560 INFO L280 TraceCheckUtils]: 12: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,561 INFO L280 TraceCheckUtils]: 13: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,563 INFO L280 TraceCheckUtils]: 14: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,563 INFO L280 TraceCheckUtils]: 15: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,564 INFO L280 TraceCheckUtils]: 16: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,565 INFO L280 TraceCheckUtils]: 17: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,565 INFO L280 TraceCheckUtils]: 18: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,566 INFO L280 TraceCheckUtils]: 19: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {8623#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:40,566 INFO L280 TraceCheckUtils]: 20: Hoare triple {8623#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {8621#false} is VALID [2020-07-28 19:04:40,567 INFO L280 TraceCheckUtils]: 21: Hoare triple {8621#false} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {8621#false} is VALID [2020-07-28 19:04:40,567 INFO L280 TraceCheckUtils]: 22: Hoare triple {8621#false} assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~1 := 0; {8621#false} is VALID [2020-07-28 19:04:40,567 INFO L280 TraceCheckUtils]: 23: Hoare triple {8621#false} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {8621#false} is VALID [2020-07-28 19:04:40,567 INFO L280 TraceCheckUtils]: 24: Hoare triple {8621#false} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {8621#false} is VALID [2020-07-28 19:04:40,568 INFO L280 TraceCheckUtils]: 25: Hoare triple {8621#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8621#false} is VALID [2020-07-28 19:04:40,568 INFO L280 TraceCheckUtils]: 26: Hoare triple {8621#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {8621#false} is VALID [2020-07-28 19:04:40,568 INFO L280 TraceCheckUtils]: 27: Hoare triple {8621#false} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {8621#false} is VALID [2020-07-28 19:04:40,568 INFO L280 TraceCheckUtils]: 28: Hoare triple {8621#false} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {8621#false} is VALID [2020-07-28 19:04:40,569 INFO L280 TraceCheckUtils]: 29: Hoare triple {8621#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {8621#false} is VALID [2020-07-28 19:04:40,569 INFO L280 TraceCheckUtils]: 30: Hoare triple {8621#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {8621#false} is VALID [2020-07-28 19:04:40,569 INFO L280 TraceCheckUtils]: 31: Hoare triple {8621#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {8621#false} is VALID [2020-07-28 19:04:40,569 INFO L280 TraceCheckUtils]: 32: Hoare triple {8621#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {8621#false} is VALID [2020-07-28 19:04:40,570 INFO L280 TraceCheckUtils]: 33: Hoare triple {8621#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {8621#false} is VALID [2020-07-28 19:04:40,570 INFO L280 TraceCheckUtils]: 34: Hoare triple {8621#false} assume !false; {8621#false} is VALID [2020-07-28 19:04:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:40,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628023701] [2020-07-28 19:04:40,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:40,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:40,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699504508] [2020-07-28 19:04:40,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-28 19:04:40,577 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:40,577 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:04:40,621 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:40,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:04:40,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:40,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:04:40,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:40,622 INFO L87 Difference]: Start difference. First operand 260 states and 362 transitions. Second operand 4 states. [2020-07-28 19:04:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:41,694 INFO L93 Difference]: Finished difference Result 556 states and 785 transitions. [2020-07-28 19:04:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:04:41,694 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-28 19:04:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:41,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 306 transitions. [2020-07-28 19:04:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 306 transitions. [2020-07-28 19:04:41,701 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 306 transitions. [2020-07-28 19:04:42,021 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 306 edges. 306 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:42,034 INFO L225 Difference]: With dead ends: 556 [2020-07-28 19:04:42,035 INFO L226 Difference]: Without dead ends: 393 [2020-07-28 19:04:42,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:42,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2020-07-28 19:04:42,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2020-07-28 19:04:42,523 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:42,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 393 states. Second operand 389 states. [2020-07-28 19:04:42,523 INFO L74 IsIncluded]: Start isIncluded. First operand 393 states. Second operand 389 states. [2020-07-28 19:04:42,524 INFO L87 Difference]: Start difference. First operand 393 states. Second operand 389 states. [2020-07-28 19:04:42,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:42,536 INFO L93 Difference]: Finished difference Result 393 states and 542 transitions. [2020-07-28 19:04:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 542 transitions. [2020-07-28 19:04:42,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:42,538 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:42,538 INFO L74 IsIncluded]: Start isIncluded. First operand 389 states. Second operand 393 states. [2020-07-28 19:04:42,538 INFO L87 Difference]: Start difference. First operand 389 states. Second operand 393 states. [2020-07-28 19:04:42,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:42,551 INFO L93 Difference]: Finished difference Result 393 states and 542 transitions. [2020-07-28 19:04:42,552 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 542 transitions. [2020-07-28 19:04:42,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:42,553 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:42,553 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:42,553 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:42,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-07-28 19:04:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 539 transitions. [2020-07-28 19:04:42,569 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 539 transitions. Word has length 35 [2020-07-28 19:04:42,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:42,569 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 539 transitions. [2020-07-28 19:04:42,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:42,569 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 539 transitions. [2020-07-28 19:04:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 19:04:42,570 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:42,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:42,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:04:42,571 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:42,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:42,572 INFO L82 PathProgramCache]: Analyzing trace with hash 334703937, now seen corresponding path program 1 times [2020-07-28 19:04:42,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:42,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202547184] [2020-07-28 19:04:42,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:42,641 INFO L280 TraceCheckUtils]: 0: Hoare triple {10738#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {10738#true} is VALID [2020-07-28 19:04:42,642 INFO L280 TraceCheckUtils]: 1: Hoare triple {10738#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {10738#true} is VALID [2020-07-28 19:04:42,642 INFO L280 TraceCheckUtils]: 2: Hoare triple {10738#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {10738#true} is VALID [2020-07-28 19:04:42,643 INFO L280 TraceCheckUtils]: 3: Hoare triple {10738#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {10738#true} is VALID [2020-07-28 19:04:42,643 INFO L280 TraceCheckUtils]: 4: Hoare triple {10738#true} assume 0 != main_~tmp~3; {10738#true} is VALID [2020-07-28 19:04:42,643 INFO L280 TraceCheckUtils]: 5: Hoare triple {10738#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {10738#true} is VALID [2020-07-28 19:04:42,644 INFO L280 TraceCheckUtils]: 6: Hoare triple {10738#true} assume !false; {10738#true} is VALID [2020-07-28 19:04:42,644 INFO L280 TraceCheckUtils]: 7: Hoare triple {10738#true} assume test_~splverifierCounter~0 < 4; {10738#true} is VALID [2020-07-28 19:04:42,645 INFO L280 TraceCheckUtils]: 8: Hoare triple {10738#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {10738#true} is VALID [2020-07-28 19:04:42,645 INFO L280 TraceCheckUtils]: 9: Hoare triple {10738#true} assume 0 != test_~tmp~11; {10738#true} is VALID [2020-07-28 19:04:42,645 INFO L280 TraceCheckUtils]: 10: Hoare triple {10738#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {10738#true} is VALID [2020-07-28 19:04:42,646 INFO L280 TraceCheckUtils]: 11: Hoare triple {10738#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {10738#true} is VALID [2020-07-28 19:04:42,646 INFO L280 TraceCheckUtils]: 12: Hoare triple {10738#true} assume !(0 != test_~tmp___0~3); {10738#true} is VALID [2020-07-28 19:04:42,646 INFO L280 TraceCheckUtils]: 13: Hoare triple {10738#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {10738#true} is VALID [2020-07-28 19:04:42,647 INFO L280 TraceCheckUtils]: 14: Hoare triple {10738#true} assume 0 != test_~tmp___2~0; {10738#true} is VALID [2020-07-28 19:04:42,647 INFO L280 TraceCheckUtils]: 15: Hoare triple {10738#true} assume !(0 != ~pumpRunning~0); {10738#true} is VALID [2020-07-28 19:04:42,647 INFO L280 TraceCheckUtils]: 16: Hoare triple {10738#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {10738#true} is VALID [2020-07-28 19:04:42,648 INFO L280 TraceCheckUtils]: 17: Hoare triple {10738#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {10738#true} is VALID [2020-07-28 19:04:42,648 INFO L280 TraceCheckUtils]: 18: Hoare triple {10738#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {10738#true} is VALID [2020-07-28 19:04:42,648 INFO L280 TraceCheckUtils]: 19: Hoare triple {10738#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {10738#true} is VALID [2020-07-28 19:04:42,650 INFO L280 TraceCheckUtils]: 20: Hoare triple {10738#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {10740#(= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:04:42,651 INFO L280 TraceCheckUtils]: 21: Hoare triple {10740#(= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {10741#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)} is VALID [2020-07-28 19:04:42,652 INFO L280 TraceCheckUtils]: 22: Hoare triple {10741#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)} assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~1 := 0; {10739#false} is VALID [2020-07-28 19:04:42,652 INFO L280 TraceCheckUtils]: 23: Hoare triple {10739#false} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {10739#false} is VALID [2020-07-28 19:04:42,652 INFO L280 TraceCheckUtils]: 24: Hoare triple {10739#false} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {10739#false} is VALID [2020-07-28 19:04:42,653 INFO L280 TraceCheckUtils]: 25: Hoare triple {10739#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {10739#false} is VALID [2020-07-28 19:04:42,653 INFO L280 TraceCheckUtils]: 26: Hoare triple {10739#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {10739#false} is VALID [2020-07-28 19:04:42,653 INFO L280 TraceCheckUtils]: 27: Hoare triple {10739#false} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {10739#false} is VALID [2020-07-28 19:04:42,654 INFO L280 TraceCheckUtils]: 28: Hoare triple {10739#false} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {10739#false} is VALID [2020-07-28 19:04:42,654 INFO L280 TraceCheckUtils]: 29: Hoare triple {10739#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {10739#false} is VALID [2020-07-28 19:04:42,654 INFO L280 TraceCheckUtils]: 30: Hoare triple {10739#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {10739#false} is VALID [2020-07-28 19:04:42,654 INFO L280 TraceCheckUtils]: 31: Hoare triple {10739#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {10739#false} is VALID [2020-07-28 19:04:42,655 INFO L280 TraceCheckUtils]: 32: Hoare triple {10739#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {10739#false} is VALID [2020-07-28 19:04:42,655 INFO L280 TraceCheckUtils]: 33: Hoare triple {10739#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {10739#false} is VALID [2020-07-28 19:04:42,655 INFO L280 TraceCheckUtils]: 34: Hoare triple {10739#false} assume !false; {10739#false} is VALID [2020-07-28 19:04:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:42,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202547184] [2020-07-28 19:04:42,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:42,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:42,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346631701] [2020-07-28 19:04:42,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-28 19:04:42,658 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:42,658 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:04:42,711 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:42,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:04:42,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:42,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:04:42,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:42,712 INFO L87 Difference]: Start difference. First operand 389 states and 539 transitions. Second operand 4 states. [2020-07-28 19:04:44,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:44,745 INFO L93 Difference]: Finished difference Result 1122 states and 1572 transitions. [2020-07-28 19:04:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:44,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-28 19:04:44,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 357 transitions. [2020-07-28 19:04:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 357 transitions. [2020-07-28 19:04:44,751 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 357 transitions. [2020-07-28 19:04:45,147 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 357 edges. 357 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:45,184 INFO L225 Difference]: With dead ends: 1122 [2020-07-28 19:04:45,185 INFO L226 Difference]: Without dead ends: 828 [2020-07-28 19:04:45,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:45,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-07-28 19:04:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 389. [2020-07-28 19:04:45,791 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:45,791 INFO L82 GeneralOperation]: Start isEquivalent. First operand 828 states. Second operand 389 states. [2020-07-28 19:04:45,792 INFO L74 IsIncluded]: Start isIncluded. First operand 828 states. Second operand 389 states. [2020-07-28 19:04:45,792 INFO L87 Difference]: Start difference. First operand 828 states. Second operand 389 states. [2020-07-28 19:04:45,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:45,838 INFO L93 Difference]: Finished difference Result 828 states and 1152 transitions. [2020-07-28 19:04:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1152 transitions. [2020-07-28 19:04:45,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:45,841 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:45,841 INFO L74 IsIncluded]: Start isIncluded. First operand 389 states. Second operand 828 states. [2020-07-28 19:04:45,841 INFO L87 Difference]: Start difference. First operand 389 states. Second operand 828 states. [2020-07-28 19:04:45,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:45,905 INFO L93 Difference]: Finished difference Result 828 states and 1152 transitions. [2020-07-28 19:04:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1152 transitions. [2020-07-28 19:04:45,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:45,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:45,907 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:45,908 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:45,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-07-28 19:04:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 533 transitions. [2020-07-28 19:04:45,928 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 533 transitions. Word has length 35 [2020-07-28 19:04:45,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:45,929 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 533 transitions. [2020-07-28 19:04:45,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:45,929 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 533 transitions. [2020-07-28 19:04:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-28 19:04:45,930 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:45,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:45,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:04:45,931 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:45,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:45,932 INFO L82 PathProgramCache]: Analyzing trace with hash -252102077, now seen corresponding path program 1 times [2020-07-28 19:04:45,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:45,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568557137] [2020-07-28 19:04:45,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:46,070 INFO L280 TraceCheckUtils]: 0: Hoare triple {14521#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,071 INFO L280 TraceCheckUtils]: 1: Hoare triple {14523#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,073 INFO L280 TraceCheckUtils]: 2: Hoare triple {14523#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,073 INFO L280 TraceCheckUtils]: 3: Hoare triple {14523#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,078 INFO L280 TraceCheckUtils]: 4: Hoare triple {14523#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,079 INFO L280 TraceCheckUtils]: 5: Hoare triple {14523#(= 1 ~waterLevel~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,080 INFO L280 TraceCheckUtils]: 6: Hoare triple {14523#(= 1 ~waterLevel~0)} assume !false; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,080 INFO L280 TraceCheckUtils]: 7: Hoare triple {14523#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,081 INFO L280 TraceCheckUtils]: 8: Hoare triple {14523#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,081 INFO L280 TraceCheckUtils]: 9: Hoare triple {14523#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~11; {14523#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,082 INFO L280 TraceCheckUtils]: 10: Hoare triple {14523#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,082 INFO L280 TraceCheckUtils]: 11: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,083 INFO L280 TraceCheckUtils]: 12: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,083 INFO L280 TraceCheckUtils]: 13: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,084 INFO L280 TraceCheckUtils]: 14: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,085 INFO L280 TraceCheckUtils]: 15: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,085 INFO L280 TraceCheckUtils]: 16: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,086 INFO L280 TraceCheckUtils]: 17: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,087 INFO L280 TraceCheckUtils]: 18: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,088 INFO L280 TraceCheckUtils]: 19: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,088 INFO L280 TraceCheckUtils]: 20: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,089 INFO L280 TraceCheckUtils]: 21: Hoare triple {14524#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,089 INFO L280 TraceCheckUtils]: 22: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~1 := 1; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,090 INFO L280 TraceCheckUtils]: 23: Hoare triple {14524#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,090 INFO L280 TraceCheckUtils]: 24: Hoare triple {14524#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,091 INFO L280 TraceCheckUtils]: 25: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,091 INFO L280 TraceCheckUtils]: 26: Hoare triple {14524#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,092 INFO L280 TraceCheckUtils]: 27: Hoare triple {14524#(<= 2 ~waterLevel~0)} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,092 INFO L280 TraceCheckUtils]: 28: Hoare triple {14524#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {14524#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:46,093 INFO L280 TraceCheckUtils]: 29: Hoare triple {14524#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {14525#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:46,094 INFO L280 TraceCheckUtils]: 30: Hoare triple {14525#(<= 2 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {14526#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} is VALID [2020-07-28 19:04:46,094 INFO L280 TraceCheckUtils]: 31: Hoare triple {14526#(<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {14522#false} is VALID [2020-07-28 19:04:46,095 INFO L280 TraceCheckUtils]: 32: Hoare triple {14522#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {14522#false} is VALID [2020-07-28 19:04:46,095 INFO L280 TraceCheckUtils]: 33: Hoare triple {14522#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {14522#false} is VALID [2020-07-28 19:04:46,095 INFO L280 TraceCheckUtils]: 34: Hoare triple {14522#false} assume !false; {14522#false} is VALID [2020-07-28 19:04:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:46,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568557137] [2020-07-28 19:04:46,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:46,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:46,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966366268] [2020-07-28 19:04:46,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-28 19:04:46,101 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:46,101 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:46,145 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:46,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:46,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:46,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:46,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:46,146 INFO L87 Difference]: Start difference. First operand 389 states and 533 transitions. Second operand 6 states. [2020-07-28 19:04:48,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:48,255 INFO L93 Difference]: Finished difference Result 860 states and 1185 transitions. [2020-07-28 19:04:48,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:04:48,255 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-07-28 19:04:48,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 411 transitions. [2020-07-28 19:04:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 411 transitions. [2020-07-28 19:04:48,260 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 411 transitions. [2020-07-28 19:04:48,718 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 411 edges. 411 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:48,737 INFO L225 Difference]: With dead ends: 860 [2020-07-28 19:04:48,737 INFO L226 Difference]: Without dead ends: 566 [2020-07-28 19:04:48,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:04:48,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-07-28 19:04:49,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 381. [2020-07-28 19:04:49,362 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:49,363 INFO L82 GeneralOperation]: Start isEquivalent. First operand 566 states. Second operand 381 states. [2020-07-28 19:04:49,363 INFO L74 IsIncluded]: Start isIncluded. First operand 566 states. Second operand 381 states. [2020-07-28 19:04:49,363 INFO L87 Difference]: Start difference. First operand 566 states. Second operand 381 states. [2020-07-28 19:04:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:49,380 INFO L93 Difference]: Finished difference Result 566 states and 773 transitions. [2020-07-28 19:04:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 773 transitions. [2020-07-28 19:04:49,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:49,381 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:49,382 INFO L74 IsIncluded]: Start isIncluded. First operand 381 states. Second operand 566 states. [2020-07-28 19:04:49,382 INFO L87 Difference]: Start difference. First operand 381 states. Second operand 566 states. [2020-07-28 19:04:49,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:49,402 INFO L93 Difference]: Finished difference Result 566 states and 773 transitions. [2020-07-28 19:04:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 773 transitions. [2020-07-28 19:04:49,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:49,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:49,404 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:49,404 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-07-28 19:04:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 519 transitions. [2020-07-28 19:04:49,418 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 519 transitions. Word has length 35 [2020-07-28 19:04:49,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:49,419 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 519 transitions. [2020-07-28 19:04:49,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 519 transitions. [2020-07-28 19:04:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-28 19:04:49,420 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:49,420 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] [2020-07-28 19:04:49,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:04:49,421 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:49,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:49,421 INFO L82 PathProgramCache]: Analyzing trace with hash 940725121, now seen corresponding path program 1 times [2020-07-28 19:04:49,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:49,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797642983] [2020-07-28 19:04:49,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:49,507 INFO L280 TraceCheckUtils]: 0: Hoare triple {17417#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {17417#true} is VALID [2020-07-28 19:04:49,508 INFO L280 TraceCheckUtils]: 1: Hoare triple {17417#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {17417#true} is VALID [2020-07-28 19:04:49,508 INFO L280 TraceCheckUtils]: 2: Hoare triple {17417#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {17417#true} is VALID [2020-07-28 19:04:49,508 INFO L280 TraceCheckUtils]: 3: Hoare triple {17417#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {17417#true} is VALID [2020-07-28 19:04:49,508 INFO L280 TraceCheckUtils]: 4: Hoare triple {17417#true} assume 0 != main_~tmp~3; {17417#true} is VALID [2020-07-28 19:04:49,508 INFO L280 TraceCheckUtils]: 5: Hoare triple {17417#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {17417#true} is VALID [2020-07-28 19:04:49,509 INFO L280 TraceCheckUtils]: 6: Hoare triple {17417#true} assume !false; {17417#true} is VALID [2020-07-28 19:04:49,509 INFO L280 TraceCheckUtils]: 7: Hoare triple {17417#true} assume test_~splverifierCounter~0 < 4; {17417#true} is VALID [2020-07-28 19:04:49,509 INFO L280 TraceCheckUtils]: 8: Hoare triple {17417#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {17417#true} is VALID [2020-07-28 19:04:49,510 INFO L280 TraceCheckUtils]: 9: Hoare triple {17417#true} assume !(0 != test_~tmp~11); {17417#true} is VALID [2020-07-28 19:04:49,511 INFO L280 TraceCheckUtils]: 10: Hoare triple {17417#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {17417#true} is VALID [2020-07-28 19:04:49,511 INFO L280 TraceCheckUtils]: 11: Hoare triple {17417#true} assume !(0 != test_~tmp___0~3); {17417#true} is VALID [2020-07-28 19:04:49,511 INFO L280 TraceCheckUtils]: 12: Hoare triple {17417#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {17417#true} is VALID [2020-07-28 19:04:49,511 INFO L280 TraceCheckUtils]: 13: Hoare triple {17417#true} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet75 && test_#t~nondet75 <= 2147483647;test_~tmp___1~0 := test_#t~nondet75;havoc test_#t~nondet75; {17417#true} is VALID [2020-07-28 19:04:49,511 INFO L280 TraceCheckUtils]: 14: Hoare triple {17417#true} assume 0 != test_~tmp___1~0; {17417#true} is VALID [2020-07-28 19:04:49,512 INFO L280 TraceCheckUtils]: 15: Hoare triple {17417#true} assume !(0 != ~pumpRunning~0); {17417#true} is VALID [2020-07-28 19:04:49,514 INFO L280 TraceCheckUtils]: 16: Hoare triple {17417#true} ~systemActive~0 := 0; {17419#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:04:49,516 INFO L280 TraceCheckUtils]: 17: Hoare triple {17419#(= 0 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {17419#(= 0 ~systemActive~0)} is VALID [2020-07-28 19:04:49,517 INFO L280 TraceCheckUtils]: 18: Hoare triple {17419#(= 0 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {17418#false} is VALID [2020-07-28 19:04:49,517 INFO L280 TraceCheckUtils]: 19: Hoare triple {17418#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {17418#false} is VALID [2020-07-28 19:04:49,518 INFO L280 TraceCheckUtils]: 20: Hoare triple {17418#false} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {17418#false} is VALID [2020-07-28 19:04:49,518 INFO L280 TraceCheckUtils]: 21: Hoare triple {17418#false} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {17418#false} is VALID [2020-07-28 19:04:49,518 INFO L280 TraceCheckUtils]: 22: Hoare triple {17418#false} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {17418#false} is VALID [2020-07-28 19:04:49,520 INFO L280 TraceCheckUtils]: 23: Hoare triple {17418#false} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {17418#false} is VALID [2020-07-28 19:04:49,521 INFO L280 TraceCheckUtils]: 24: Hoare triple {17418#false} assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~1 := 0; {17418#false} is VALID [2020-07-28 19:04:49,521 INFO L280 TraceCheckUtils]: 25: Hoare triple {17418#false} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {17418#false} is VALID [2020-07-28 19:04:49,521 INFO L280 TraceCheckUtils]: 26: Hoare triple {17418#false} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {17418#false} is VALID [2020-07-28 19:04:49,521 INFO L280 TraceCheckUtils]: 27: Hoare triple {17418#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {17418#false} is VALID [2020-07-28 19:04:49,521 INFO L280 TraceCheckUtils]: 28: Hoare triple {17418#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {17418#false} is VALID [2020-07-28 19:04:49,522 INFO L280 TraceCheckUtils]: 29: Hoare triple {17418#false} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {17418#false} is VALID [2020-07-28 19:04:49,522 INFO L280 TraceCheckUtils]: 30: Hoare triple {17418#false} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {17418#false} is VALID [2020-07-28 19:04:49,522 INFO L280 TraceCheckUtils]: 31: Hoare triple {17418#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {17418#false} is VALID [2020-07-28 19:04:49,522 INFO L280 TraceCheckUtils]: 32: Hoare triple {17418#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {17418#false} is VALID [2020-07-28 19:04:49,523 INFO L280 TraceCheckUtils]: 33: Hoare triple {17418#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {17418#false} is VALID [2020-07-28 19:04:49,523 INFO L280 TraceCheckUtils]: 34: Hoare triple {17418#false} assume !false; {17418#false} is VALID [2020-07-28 19:04:49,523 INFO L280 TraceCheckUtils]: 35: Hoare triple {17418#false} assume test_~splverifierCounter~0 < 4; {17418#false} is VALID [2020-07-28 19:04:49,526 INFO L280 TraceCheckUtils]: 36: Hoare triple {17418#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {17418#false} is VALID [2020-07-28 19:04:49,527 INFO L280 TraceCheckUtils]: 37: Hoare triple {17418#false} assume !(0 != test_~tmp~11); {17418#false} is VALID [2020-07-28 19:04:49,527 INFO L280 TraceCheckUtils]: 38: Hoare triple {17418#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {17418#false} is VALID [2020-07-28 19:04:49,527 INFO L280 TraceCheckUtils]: 39: Hoare triple {17418#false} assume !(0 != test_~tmp___0~3); {17418#false} is VALID [2020-07-28 19:04:49,527 INFO L280 TraceCheckUtils]: 40: Hoare triple {17418#false} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {17418#false} is VALID [2020-07-28 19:04:49,527 INFO L280 TraceCheckUtils]: 41: Hoare triple {17418#false} assume 0 != test_~tmp___2~0; {17418#false} is VALID [2020-07-28 19:04:49,528 INFO L280 TraceCheckUtils]: 42: Hoare triple {17418#false} assume 0 != ~pumpRunning~0; {17418#false} is VALID [2020-07-28 19:04:49,528 INFO L280 TraceCheckUtils]: 43: Hoare triple {17418#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {17418#false} is VALID [2020-07-28 19:04:49,528 INFO L280 TraceCheckUtils]: 44: Hoare triple {17418#false} assume !(0 != ~systemActive~0); {17418#false} is VALID [2020-07-28 19:04:49,528 INFO L280 TraceCheckUtils]: 45: Hoare triple {17418#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {17418#false} is VALID [2020-07-28 19:04:49,528 INFO L280 TraceCheckUtils]: 46: Hoare triple {17418#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {17418#false} is VALID [2020-07-28 19:04:49,529 INFO L280 TraceCheckUtils]: 47: Hoare triple {17418#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {17418#false} is VALID [2020-07-28 19:04:49,529 INFO L280 TraceCheckUtils]: 48: Hoare triple {17418#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {17418#false} is VALID [2020-07-28 19:04:49,529 INFO L280 TraceCheckUtils]: 49: Hoare triple {17418#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {17418#false} is VALID [2020-07-28 19:04:49,532 INFO L280 TraceCheckUtils]: 50: Hoare triple {17418#false} assume !false; {17418#false} is VALID [2020-07-28 19:04:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-28 19:04:49,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797642983] [2020-07-28 19:04:49,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:49,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:49,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452962983] [2020-07-28 19:04:49,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-28 19:04:49,538 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:49,538 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:49,596 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:49,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:49,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:49,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:49,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:49,598 INFO L87 Difference]: Start difference. First operand 381 states and 519 transitions. Second operand 3 states. [2020-07-28 19:04:50,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:50,450 INFO L93 Difference]: Finished difference Result 448 states and 608 transitions. [2020-07-28 19:04:50,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:50,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-28 19:04:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:50,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2020-07-28 19:04:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2020-07-28 19:04:50,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 219 transitions. [2020-07-28 19:04:50,684 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 219 edges. 219 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:50,688 INFO L225 Difference]: With dead ends: 448 [2020-07-28 19:04:50,688 INFO L226 Difference]: Without dead ends: 190 [2020-07-28 19:04:50,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-28 19:04:51,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-07-28 19:04:51,055 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:51,055 INFO L82 GeneralOperation]: Start isEquivalent. First operand 190 states. Second operand 190 states. [2020-07-28 19:04:51,055 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 190 states. [2020-07-28 19:04:51,055 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 190 states. [2020-07-28 19:04:51,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:51,059 INFO L93 Difference]: Finished difference Result 190 states and 249 transitions. [2020-07-28 19:04:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 249 transitions. [2020-07-28 19:04:51,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:51,060 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:51,060 INFO L74 IsIncluded]: Start isIncluded. First operand 190 states. Second operand 190 states. [2020-07-28 19:04:51,061 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 190 states. [2020-07-28 19:04:51,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:51,065 INFO L93 Difference]: Finished difference Result 190 states and 249 transitions. [2020-07-28 19:04:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 249 transitions. [2020-07-28 19:04:51,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:51,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:51,066 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:51,066 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:51,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-07-28 19:04:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 249 transitions. [2020-07-28 19:04:51,070 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 249 transitions. Word has length 51 [2020-07-28 19:04:51,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:51,071 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 249 transitions. [2020-07-28 19:04:51,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 249 transitions. [2020-07-28 19:04:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-28 19:04:51,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:51,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:51,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-28 19:04:51,072 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:51,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:51,073 INFO L82 PathProgramCache]: Analyzing trace with hash 892761924, now seen corresponding path program 1 times [2020-07-28 19:04:51,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:51,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956984566] [2020-07-28 19:04:51,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:51,169 INFO L280 TraceCheckUtils]: 0: Hoare triple {18699#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {18699#true} is VALID [2020-07-28 19:04:51,170 INFO L280 TraceCheckUtils]: 1: Hoare triple {18699#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {18699#true} is VALID [2020-07-28 19:04:51,170 INFO L280 TraceCheckUtils]: 2: Hoare triple {18699#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {18699#true} is VALID [2020-07-28 19:04:51,170 INFO L280 TraceCheckUtils]: 3: Hoare triple {18699#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {18699#true} is VALID [2020-07-28 19:04:51,170 INFO L280 TraceCheckUtils]: 4: Hoare triple {18699#true} assume 0 != main_~tmp~3; {18699#true} is VALID [2020-07-28 19:04:51,170 INFO L280 TraceCheckUtils]: 5: Hoare triple {18699#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {18699#true} is VALID [2020-07-28 19:04:51,171 INFO L280 TraceCheckUtils]: 6: Hoare triple {18699#true} assume !false; {18699#true} is VALID [2020-07-28 19:04:51,171 INFO L280 TraceCheckUtils]: 7: Hoare triple {18699#true} assume test_~splverifierCounter~0 < 4; {18699#true} is VALID [2020-07-28 19:04:51,171 INFO L280 TraceCheckUtils]: 8: Hoare triple {18699#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {18699#true} is VALID [2020-07-28 19:04:51,172 INFO L280 TraceCheckUtils]: 9: Hoare triple {18699#true} assume !(0 != test_~tmp~11); {18699#true} is VALID [2020-07-28 19:04:51,172 INFO L280 TraceCheckUtils]: 10: Hoare triple {18699#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {18699#true} is VALID [2020-07-28 19:04:51,172 INFO L280 TraceCheckUtils]: 11: Hoare triple {18699#true} assume !(0 != test_~tmp___0~3); {18699#true} is VALID [2020-07-28 19:04:51,172 INFO L280 TraceCheckUtils]: 12: Hoare triple {18699#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {18699#true} is VALID [2020-07-28 19:04:51,173 INFO L280 TraceCheckUtils]: 13: Hoare triple {18699#true} assume 0 != test_~tmp___2~0; {18699#true} is VALID [2020-07-28 19:04:51,173 INFO L280 TraceCheckUtils]: 14: Hoare triple {18699#true} assume !(0 != ~pumpRunning~0); {18699#true} is VALID [2020-07-28 19:04:51,173 INFO L280 TraceCheckUtils]: 15: Hoare triple {18699#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {18699#true} is VALID [2020-07-28 19:04:51,173 INFO L280 TraceCheckUtils]: 16: Hoare triple {18699#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {18699#true} is VALID [2020-07-28 19:04:51,174 INFO L280 TraceCheckUtils]: 17: Hoare triple {18699#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {18699#true} is VALID [2020-07-28 19:04:51,174 INFO L280 TraceCheckUtils]: 18: Hoare triple {18699#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {18699#true} is VALID [2020-07-28 19:04:51,174 INFO L280 TraceCheckUtils]: 19: Hoare triple {18699#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {18699#true} is VALID [2020-07-28 19:04:51,175 INFO L280 TraceCheckUtils]: 20: Hoare triple {18699#true} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {18699#true} is VALID [2020-07-28 19:04:51,175 INFO L280 TraceCheckUtils]: 21: Hoare triple {18699#true} assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~1 := 0; {18701#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} is VALID [2020-07-28 19:04:51,176 INFO L280 TraceCheckUtils]: 22: Hoare triple {18701#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {18702#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:04:51,178 INFO L280 TraceCheckUtils]: 23: Hoare triple {18702#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {18703#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} is VALID [2020-07-28 19:04:51,179 INFO L280 TraceCheckUtils]: 24: Hoare triple {18703#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~5)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {18700#false} is VALID [2020-07-28 19:04:51,179 INFO L280 TraceCheckUtils]: 25: Hoare triple {18700#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {18700#false} is VALID [2020-07-28 19:04:51,180 INFO L280 TraceCheckUtils]: 26: Hoare triple {18700#false} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {18700#false} is VALID [2020-07-28 19:04:51,180 INFO L280 TraceCheckUtils]: 27: Hoare triple {18700#false} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {18700#false} is VALID [2020-07-28 19:04:51,180 INFO L280 TraceCheckUtils]: 28: Hoare triple {18700#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {18700#false} is VALID [2020-07-28 19:04:51,180 INFO L280 TraceCheckUtils]: 29: Hoare triple {18700#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {18700#false} is VALID [2020-07-28 19:04:51,180 INFO L280 TraceCheckUtils]: 30: Hoare triple {18700#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {18700#false} is VALID [2020-07-28 19:04:51,181 INFO L280 TraceCheckUtils]: 31: Hoare triple {18700#false} assume !false; {18700#false} is VALID [2020-07-28 19:04:51,181 INFO L280 TraceCheckUtils]: 32: Hoare triple {18700#false} assume test_~splverifierCounter~0 < 4; {18700#false} is VALID [2020-07-28 19:04:51,181 INFO L280 TraceCheckUtils]: 33: Hoare triple {18700#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {18700#false} is VALID [2020-07-28 19:04:51,182 INFO L280 TraceCheckUtils]: 34: Hoare triple {18700#false} assume !(0 != test_~tmp~11); {18700#false} is VALID [2020-07-28 19:04:51,182 INFO L280 TraceCheckUtils]: 35: Hoare triple {18700#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {18700#false} is VALID [2020-07-28 19:04:51,182 INFO L280 TraceCheckUtils]: 36: Hoare triple {18700#false} assume !(0 != test_~tmp___0~3); {18700#false} is VALID [2020-07-28 19:04:51,182 INFO L280 TraceCheckUtils]: 37: Hoare triple {18700#false} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {18700#false} is VALID [2020-07-28 19:04:51,183 INFO L280 TraceCheckUtils]: 38: Hoare triple {18700#false} assume 0 != test_~tmp___2~0; {18700#false} is VALID [2020-07-28 19:04:51,183 INFO L280 TraceCheckUtils]: 39: Hoare triple {18700#false} assume 0 != ~pumpRunning~0; {18700#false} is VALID [2020-07-28 19:04:51,183 INFO L280 TraceCheckUtils]: 40: Hoare triple {18700#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {18700#false} is VALID [2020-07-28 19:04:51,183 INFO L280 TraceCheckUtils]: 41: Hoare triple {18700#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {18700#false} is VALID [2020-07-28 19:04:51,184 INFO L280 TraceCheckUtils]: 42: Hoare triple {18700#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {18700#false} is VALID [2020-07-28 19:04:51,185 INFO L280 TraceCheckUtils]: 43: Hoare triple {18700#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {18700#false} is VALID [2020-07-28 19:04:51,185 INFO L280 TraceCheckUtils]: 44: Hoare triple {18700#false} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {18700#false} is VALID [2020-07-28 19:04:51,185 INFO L280 TraceCheckUtils]: 45: Hoare triple {18700#false} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {18700#false} is VALID [2020-07-28 19:04:51,185 INFO L280 TraceCheckUtils]: 46: Hoare triple {18700#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {18700#false} is VALID [2020-07-28 19:04:51,186 INFO L280 TraceCheckUtils]: 47: Hoare triple {18700#false} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {18700#false} is VALID [2020-07-28 19:04:51,186 INFO L280 TraceCheckUtils]: 48: Hoare triple {18700#false} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {18700#false} is VALID [2020-07-28 19:04:51,186 INFO L280 TraceCheckUtils]: 49: Hoare triple {18700#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {18700#false} is VALID [2020-07-28 19:04:51,186 INFO L280 TraceCheckUtils]: 50: Hoare triple {18700#false} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {18700#false} is VALID [2020-07-28 19:04:51,187 INFO L280 TraceCheckUtils]: 51: Hoare triple {18700#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {18700#false} is VALID [2020-07-28 19:04:51,187 INFO L280 TraceCheckUtils]: 52: Hoare triple {18700#false} assume !(0 == ~pumpRunning~0); {18700#false} is VALID [2020-07-28 19:04:51,187 INFO L280 TraceCheckUtils]: 53: Hoare triple {18700#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {18700#false} is VALID [2020-07-28 19:04:51,189 INFO L280 TraceCheckUtils]: 54: Hoare triple {18700#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {18700#false} is VALID [2020-07-28 19:04:51,189 INFO L280 TraceCheckUtils]: 55: Hoare triple {18700#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {18700#false} is VALID [2020-07-28 19:04:51,190 INFO L280 TraceCheckUtils]: 56: Hoare triple {18700#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {18700#false} is VALID [2020-07-28 19:04:51,190 INFO L280 TraceCheckUtils]: 57: Hoare triple {18700#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {18700#false} is VALID [2020-07-28 19:04:51,195 INFO L280 TraceCheckUtils]: 58: Hoare triple {18700#false} assume !false; {18700#false} is VALID [2020-07-28 19:04:51,200 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 19:04:51,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956984566] [2020-07-28 19:04:51,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:51,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:51,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145113638] [2020-07-28 19:04:51,202 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-28 19:04:51,202 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:51,203 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:51,274 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:51,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:51,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:51,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:51,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:51,275 INFO L87 Difference]: Start difference. First operand 190 states and 249 transitions. Second operand 5 states. [2020-07-28 19:04:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:52,448 INFO L93 Difference]: Finished difference Result 493 states and 642 transitions. [2020-07-28 19:04:52,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:52,449 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-28 19:04:52,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 247 transitions. [2020-07-28 19:04:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 247 transitions. [2020-07-28 19:04:52,452 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 247 transitions. [2020-07-28 19:04:52,743 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 247 edges. 247 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:52,751 INFO L225 Difference]: With dead ends: 493 [2020-07-28 19:04:52,751 INFO L226 Difference]: Without dead ends: 309 [2020-07-28 19:04:52,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:52,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-07-28 19:04:53,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 202. [2020-07-28 19:04:53,112 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:53,112 INFO L82 GeneralOperation]: Start isEquivalent. First operand 309 states. Second operand 202 states. [2020-07-28 19:04:53,112 INFO L74 IsIncluded]: Start isIncluded. First operand 309 states. Second operand 202 states. [2020-07-28 19:04:53,112 INFO L87 Difference]: Start difference. First operand 309 states. Second operand 202 states. [2020-07-28 19:04:53,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:53,119 INFO L93 Difference]: Finished difference Result 309 states and 395 transitions. [2020-07-28 19:04:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 395 transitions. [2020-07-28 19:04:53,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:53,119 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:53,120 INFO L74 IsIncluded]: Start isIncluded. First operand 202 states. Second operand 309 states. [2020-07-28 19:04:53,120 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 309 states. [2020-07-28 19:04:53,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:53,127 INFO L93 Difference]: Finished difference Result 309 states and 395 transitions. [2020-07-28 19:04:53,127 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 395 transitions. [2020-07-28 19:04:53,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:53,128 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:53,128 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:53,128 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-28 19:04:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 261 transitions. [2020-07-28 19:04:53,133 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 261 transitions. Word has length 59 [2020-07-28 19:04:53,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:53,133 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 261 transitions. [2020-07-28 19:04:53,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:53,133 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 261 transitions. [2020-07-28 19:04:53,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-28 19:04:53,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:53,134 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:53,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-28 19:04:53,134 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:53,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:53,135 INFO L82 PathProgramCache]: Analyzing trace with hash -136597374, now seen corresponding path program 1 times [2020-07-28 19:04:53,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:53,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710077403] [2020-07-28 19:04:53,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:53,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {20302#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,208 INFO L280 TraceCheckUtils]: 1: Hoare triple {20304#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,209 INFO L280 TraceCheckUtils]: 2: Hoare triple {20304#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,209 INFO L280 TraceCheckUtils]: 3: Hoare triple {20304#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,210 INFO L280 TraceCheckUtils]: 4: Hoare triple {20304#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,211 INFO L280 TraceCheckUtils]: 5: Hoare triple {20304#(= 1 ~systemActive~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,211 INFO L280 TraceCheckUtils]: 6: Hoare triple {20304#(= 1 ~systemActive~0)} assume !false; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,212 INFO L280 TraceCheckUtils]: 7: Hoare triple {20304#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,212 INFO L280 TraceCheckUtils]: 8: Hoare triple {20304#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,213 INFO L280 TraceCheckUtils]: 9: Hoare triple {20304#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~11); {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,213 INFO L280 TraceCheckUtils]: 10: Hoare triple {20304#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,214 INFO L280 TraceCheckUtils]: 11: Hoare triple {20304#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~3); {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,214 INFO L280 TraceCheckUtils]: 12: Hoare triple {20304#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,215 INFO L280 TraceCheckUtils]: 13: Hoare triple {20304#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,215 INFO L280 TraceCheckUtils]: 14: Hoare triple {20304#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {20304#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:53,216 INFO L280 TraceCheckUtils]: 15: Hoare triple {20304#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {20302#true} is VALID [2020-07-28 19:04:53,216 INFO L280 TraceCheckUtils]: 16: Hoare triple {20302#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {20302#true} is VALID [2020-07-28 19:04:53,216 INFO L280 TraceCheckUtils]: 17: Hoare triple {20302#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {20302#true} is VALID [2020-07-28 19:04:53,216 INFO L280 TraceCheckUtils]: 18: Hoare triple {20302#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {20302#true} is VALID [2020-07-28 19:04:53,218 INFO L280 TraceCheckUtils]: 19: Hoare triple {20302#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {20305#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} is VALID [2020-07-28 19:04:53,218 INFO L280 TraceCheckUtils]: 20: Hoare triple {20305#(not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|))} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {20306#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9))} is VALID [2020-07-28 19:04:53,220 INFO L280 TraceCheckUtils]: 21: Hoare triple {20306#(not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9))} assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~1 := 1; {20303#false} is VALID [2020-07-28 19:04:53,220 INFO L280 TraceCheckUtils]: 22: Hoare triple {20303#false} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {20303#false} is VALID [2020-07-28 19:04:53,221 INFO L280 TraceCheckUtils]: 23: Hoare triple {20303#false} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {20303#false} is VALID [2020-07-28 19:04:53,221 INFO L280 TraceCheckUtils]: 24: Hoare triple {20303#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {20303#false} is VALID [2020-07-28 19:04:53,221 INFO L280 TraceCheckUtils]: 25: Hoare triple {20303#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {20303#false} is VALID [2020-07-28 19:04:53,221 INFO L280 TraceCheckUtils]: 26: Hoare triple {20303#false} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {20303#false} is VALID [2020-07-28 19:04:53,221 INFO L280 TraceCheckUtils]: 27: Hoare triple {20303#false} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {20303#false} is VALID [2020-07-28 19:04:53,222 INFO L280 TraceCheckUtils]: 28: Hoare triple {20303#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {20303#false} is VALID [2020-07-28 19:04:53,222 INFO L280 TraceCheckUtils]: 29: Hoare triple {20303#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {20303#false} is VALID [2020-07-28 19:04:53,222 INFO L280 TraceCheckUtils]: 30: Hoare triple {20303#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {20303#false} is VALID [2020-07-28 19:04:53,222 INFO L280 TraceCheckUtils]: 31: Hoare triple {20303#false} assume !false; {20303#false} is VALID [2020-07-28 19:04:53,222 INFO L280 TraceCheckUtils]: 32: Hoare triple {20303#false} assume test_~splverifierCounter~0 < 4; {20303#false} is VALID [2020-07-28 19:04:53,223 INFO L280 TraceCheckUtils]: 33: Hoare triple {20303#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {20303#false} is VALID [2020-07-28 19:04:53,223 INFO L280 TraceCheckUtils]: 34: Hoare triple {20303#false} assume !(0 != test_~tmp~11); {20303#false} is VALID [2020-07-28 19:04:53,223 INFO L280 TraceCheckUtils]: 35: Hoare triple {20303#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {20303#false} is VALID [2020-07-28 19:04:53,223 INFO L280 TraceCheckUtils]: 36: Hoare triple {20303#false} assume !(0 != test_~tmp___0~3); {20303#false} is VALID [2020-07-28 19:04:53,226 INFO L280 TraceCheckUtils]: 37: Hoare triple {20303#false} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {20303#false} is VALID [2020-07-28 19:04:53,226 INFO L280 TraceCheckUtils]: 38: Hoare triple {20303#false} assume 0 != test_~tmp___2~0; {20303#false} is VALID [2020-07-28 19:04:53,226 INFO L280 TraceCheckUtils]: 39: Hoare triple {20303#false} assume 0 != ~pumpRunning~0; {20303#false} is VALID [2020-07-28 19:04:53,226 INFO L280 TraceCheckUtils]: 40: Hoare triple {20303#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {20303#false} is VALID [2020-07-28 19:04:53,226 INFO L280 TraceCheckUtils]: 41: Hoare triple {20303#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {20303#false} is VALID [2020-07-28 19:04:53,227 INFO L280 TraceCheckUtils]: 42: Hoare triple {20303#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {20303#false} is VALID [2020-07-28 19:04:53,227 INFO L280 TraceCheckUtils]: 43: Hoare triple {20303#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {20303#false} is VALID [2020-07-28 19:04:53,227 INFO L280 TraceCheckUtils]: 44: Hoare triple {20303#false} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {20303#false} is VALID [2020-07-28 19:04:53,227 INFO L280 TraceCheckUtils]: 45: Hoare triple {20303#false} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {20303#false} is VALID [2020-07-28 19:04:53,227 INFO L280 TraceCheckUtils]: 46: Hoare triple {20303#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {20303#false} is VALID [2020-07-28 19:04:53,228 INFO L280 TraceCheckUtils]: 47: Hoare triple {20303#false} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {20303#false} is VALID [2020-07-28 19:04:53,228 INFO L280 TraceCheckUtils]: 48: Hoare triple {20303#false} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {20303#false} is VALID [2020-07-28 19:04:53,228 INFO L280 TraceCheckUtils]: 49: Hoare triple {20303#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {20303#false} is VALID [2020-07-28 19:04:53,230 INFO L280 TraceCheckUtils]: 50: Hoare triple {20303#false} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {20303#false} is VALID [2020-07-28 19:04:53,230 INFO L280 TraceCheckUtils]: 51: Hoare triple {20303#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {20303#false} is VALID [2020-07-28 19:04:53,230 INFO L280 TraceCheckUtils]: 52: Hoare triple {20303#false} assume !(0 == ~pumpRunning~0); {20303#false} is VALID [2020-07-28 19:04:53,231 INFO L280 TraceCheckUtils]: 53: Hoare triple {20303#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {20303#false} is VALID [2020-07-28 19:04:53,231 INFO L280 TraceCheckUtils]: 54: Hoare triple {20303#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {20303#false} is VALID [2020-07-28 19:04:53,231 INFO L280 TraceCheckUtils]: 55: Hoare triple {20303#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {20303#false} is VALID [2020-07-28 19:04:53,231 INFO L280 TraceCheckUtils]: 56: Hoare triple {20303#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {20303#false} is VALID [2020-07-28 19:04:53,231 INFO L280 TraceCheckUtils]: 57: Hoare triple {20303#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {20303#false} is VALID [2020-07-28 19:04:53,231 INFO L280 TraceCheckUtils]: 58: Hoare triple {20303#false} assume !false; {20303#false} is VALID [2020-07-28 19:04:53,235 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 19:04:53,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710077403] [2020-07-28 19:04:53,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:53,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:53,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294643918] [2020-07-28 19:04:53,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-28 19:04:53,236 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:53,236 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:53,296 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:53,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:53,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:53,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:53,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:53,297 INFO L87 Difference]: Start difference. First operand 202 states and 261 transitions. Second operand 5 states. [2020-07-28 19:04:54,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:54,251 INFO L93 Difference]: Finished difference Result 407 states and 525 transitions. [2020-07-28 19:04:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:54,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-28 19:04:54,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:54,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 224 transitions. [2020-07-28 19:04:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 224 transitions. [2020-07-28 19:04:54,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 224 transitions. [2020-07-28 19:04:54,519 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 224 edges. 224 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:54,523 INFO L225 Difference]: With dead ends: 407 [2020-07-28 19:04:54,524 INFO L226 Difference]: Without dead ends: 211 [2020-07-28 19:04:54,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:54,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-28 19:04:54,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 163. [2020-07-28 19:04:54,864 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:54,864 INFO L82 GeneralOperation]: Start isEquivalent. First operand 211 states. Second operand 163 states. [2020-07-28 19:04:54,864 INFO L74 IsIncluded]: Start isIncluded. First operand 211 states. Second operand 163 states. [2020-07-28 19:04:54,864 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 163 states. [2020-07-28 19:04:54,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:54,868 INFO L93 Difference]: Finished difference Result 211 states and 266 transitions. [2020-07-28 19:04:54,868 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 266 transitions. [2020-07-28 19:04:54,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:54,869 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:54,869 INFO L74 IsIncluded]: Start isIncluded. First operand 163 states. Second operand 211 states. [2020-07-28 19:04:54,869 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 211 states. [2020-07-28 19:04:54,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:54,872 INFO L93 Difference]: Finished difference Result 211 states and 266 transitions. [2020-07-28 19:04:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 266 transitions. [2020-07-28 19:04:54,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:54,873 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:54,873 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:54,873 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-28 19:04:54,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 205 transitions. [2020-07-28 19:04:54,877 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 205 transitions. Word has length 59 [2020-07-28 19:04:54,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:54,877 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 205 transitions. [2020-07-28 19:04:54,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:54,877 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 205 transitions. [2020-07-28 19:04:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-28 19:04:54,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:54,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:54,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:04:54,878 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:54,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:54,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1139010814, now seen corresponding path program 1 times [2020-07-28 19:04:54,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:54,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303116667] [2020-07-28 19:04:54,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:54,991 INFO L280 TraceCheckUtils]: 0: Hoare triple {21527#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,992 INFO L280 TraceCheckUtils]: 1: Hoare triple {21529#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,993 INFO L280 TraceCheckUtils]: 2: Hoare triple {21529#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,994 INFO L280 TraceCheckUtils]: 3: Hoare triple {21529#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,994 INFO L280 TraceCheckUtils]: 4: Hoare triple {21529#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,995 INFO L280 TraceCheckUtils]: 5: Hoare triple {21529#(= 1 ~waterLevel~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,995 INFO L280 TraceCheckUtils]: 6: Hoare triple {21529#(= 1 ~waterLevel~0)} assume !false; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,996 INFO L280 TraceCheckUtils]: 7: Hoare triple {21529#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,997 INFO L280 TraceCheckUtils]: 8: Hoare triple {21529#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,997 INFO L280 TraceCheckUtils]: 9: Hoare triple {21529#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~11; {21529#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,998 INFO L280 TraceCheckUtils]: 10: Hoare triple {21529#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,998 INFO L280 TraceCheckUtils]: 11: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:54,999 INFO L280 TraceCheckUtils]: 12: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,000 INFO L280 TraceCheckUtils]: 13: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,000 INFO L280 TraceCheckUtils]: 14: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,001 INFO L280 TraceCheckUtils]: 15: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,001 INFO L280 TraceCheckUtils]: 16: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,002 INFO L280 TraceCheckUtils]: 17: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,002 INFO L280 TraceCheckUtils]: 18: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,003 INFO L280 TraceCheckUtils]: 19: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,003 INFO L280 TraceCheckUtils]: 20: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,004 INFO L280 TraceCheckUtils]: 21: Hoare triple {21530#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,004 INFO L280 TraceCheckUtils]: 22: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~1 := 1; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,005 INFO L280 TraceCheckUtils]: 23: Hoare triple {21530#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,006 INFO L280 TraceCheckUtils]: 24: Hoare triple {21530#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,006 INFO L280 TraceCheckUtils]: 25: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,007 INFO L280 TraceCheckUtils]: 26: Hoare triple {21530#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,007 INFO L280 TraceCheckUtils]: 27: Hoare triple {21530#(<= 2 ~waterLevel~0)} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,008 INFO L280 TraceCheckUtils]: 28: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,008 INFO L280 TraceCheckUtils]: 29: Hoare triple {21530#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,009 INFO L280 TraceCheckUtils]: 30: Hoare triple {21530#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,009 INFO L280 TraceCheckUtils]: 31: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,010 INFO L280 TraceCheckUtils]: 32: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !false; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,011 INFO L280 TraceCheckUtils]: 33: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,012 INFO L280 TraceCheckUtils]: 34: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,012 INFO L280 TraceCheckUtils]: 35: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~11); {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,012 INFO L280 TraceCheckUtils]: 36: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,013 INFO L280 TraceCheckUtils]: 37: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,013 INFO L280 TraceCheckUtils]: 38: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,014 INFO L280 TraceCheckUtils]: 39: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,014 INFO L280 TraceCheckUtils]: 40: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,015 INFO L280 TraceCheckUtils]: 41: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,015 INFO L280 TraceCheckUtils]: 42: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,015 INFO L280 TraceCheckUtils]: 43: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,016 INFO L280 TraceCheckUtils]: 44: Hoare triple {21531#(<= 1 ~waterLevel~0)} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,017 INFO L280 TraceCheckUtils]: 45: Hoare triple {21531#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,017 INFO L280 TraceCheckUtils]: 46: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,018 INFO L280 TraceCheckUtils]: 47: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,018 INFO L280 TraceCheckUtils]: 48: Hoare triple {21531#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,019 INFO L280 TraceCheckUtils]: 49: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,019 INFO L280 TraceCheckUtils]: 50: Hoare triple {21531#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,019 INFO L280 TraceCheckUtils]: 51: Hoare triple {21531#(<= 1 ~waterLevel~0)} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,020 INFO L280 TraceCheckUtils]: 52: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,020 INFO L280 TraceCheckUtils]: 53: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,021 INFO L280 TraceCheckUtils]: 54: Hoare triple {21531#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {21532#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:55,021 INFO L280 TraceCheckUtils]: 55: Hoare triple {21532#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {21533#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} is VALID [2020-07-28 19:04:55,022 INFO L280 TraceCheckUtils]: 56: Hoare triple {21533#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {21528#false} is VALID [2020-07-28 19:04:55,022 INFO L280 TraceCheckUtils]: 57: Hoare triple {21528#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {21528#false} is VALID [2020-07-28 19:04:55,022 INFO L280 TraceCheckUtils]: 58: Hoare triple {21528#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {21528#false} is VALID [2020-07-28 19:04:55,022 INFO L280 TraceCheckUtils]: 59: Hoare triple {21528#false} assume !false; {21528#false} is VALID [2020-07-28 19:04:55,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:04:55,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303116667] [2020-07-28 19:04:55,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330593876] [2020-07-28 19:04:55,026 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 19:04:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:55,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:04:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:55,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:55,465 INFO L280 TraceCheckUtils]: 0: Hoare triple {21527#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {21527#true} is VALID [2020-07-28 19:04:55,465 INFO L280 TraceCheckUtils]: 1: Hoare triple {21527#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {21527#true} is VALID [2020-07-28 19:04:55,465 INFO L280 TraceCheckUtils]: 2: Hoare triple {21527#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {21527#true} is VALID [2020-07-28 19:04:55,466 INFO L280 TraceCheckUtils]: 3: Hoare triple {21527#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {21527#true} is VALID [2020-07-28 19:04:55,466 INFO L280 TraceCheckUtils]: 4: Hoare triple {21527#true} assume 0 != main_~tmp~3; {21527#true} is VALID [2020-07-28 19:04:55,466 INFO L280 TraceCheckUtils]: 5: Hoare triple {21527#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {21527#true} is VALID [2020-07-28 19:04:55,467 INFO L280 TraceCheckUtils]: 6: Hoare triple {21527#true} assume !false; {21527#true} is VALID [2020-07-28 19:04:55,467 INFO L280 TraceCheckUtils]: 7: Hoare triple {21527#true} assume test_~splverifierCounter~0 < 4; {21527#true} is VALID [2020-07-28 19:04:55,467 INFO L280 TraceCheckUtils]: 8: Hoare triple {21527#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {21527#true} is VALID [2020-07-28 19:04:55,467 INFO L280 TraceCheckUtils]: 9: Hoare triple {21527#true} assume 0 != test_~tmp~11; {21527#true} is VALID [2020-07-28 19:04:55,467 INFO L280 TraceCheckUtils]: 10: Hoare triple {21527#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {21527#true} is VALID [2020-07-28 19:04:55,467 INFO L280 TraceCheckUtils]: 11: Hoare triple {21527#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {21527#true} is VALID [2020-07-28 19:04:55,468 INFO L280 TraceCheckUtils]: 12: Hoare triple {21527#true} assume !(0 != test_~tmp___0~3); {21527#true} is VALID [2020-07-28 19:04:55,468 INFO L280 TraceCheckUtils]: 13: Hoare triple {21527#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {21527#true} is VALID [2020-07-28 19:04:55,468 INFO L280 TraceCheckUtils]: 14: Hoare triple {21527#true} assume 0 != test_~tmp___2~0; {21527#true} is VALID [2020-07-28 19:04:55,468 INFO L280 TraceCheckUtils]: 15: Hoare triple {21527#true} assume !(0 != ~pumpRunning~0); {21527#true} is VALID [2020-07-28 19:04:55,468 INFO L280 TraceCheckUtils]: 16: Hoare triple {21527#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {21527#true} is VALID [2020-07-28 19:04:55,468 INFO L280 TraceCheckUtils]: 17: Hoare triple {21527#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {21527#true} is VALID [2020-07-28 19:04:55,469 INFO L280 TraceCheckUtils]: 18: Hoare triple {21527#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {21527#true} is VALID [2020-07-28 19:04:55,469 INFO L280 TraceCheckUtils]: 19: Hoare triple {21527#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {21527#true} is VALID [2020-07-28 19:04:55,470 INFO L280 TraceCheckUtils]: 20: Hoare triple {21527#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,471 INFO L280 TraceCheckUtils]: 21: Hoare triple {21530#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,472 INFO L280 TraceCheckUtils]: 22: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~1 := 1; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,472 INFO L280 TraceCheckUtils]: 23: Hoare triple {21530#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,473 INFO L280 TraceCheckUtils]: 24: Hoare triple {21530#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,474 INFO L280 TraceCheckUtils]: 25: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,474 INFO L280 TraceCheckUtils]: 26: Hoare triple {21530#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,475 INFO L280 TraceCheckUtils]: 27: Hoare triple {21530#(<= 2 ~waterLevel~0)} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,476 INFO L280 TraceCheckUtils]: 28: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,476 INFO L280 TraceCheckUtils]: 29: Hoare triple {21530#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,477 INFO L280 TraceCheckUtils]: 30: Hoare triple {21530#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,478 INFO L280 TraceCheckUtils]: 31: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,479 INFO L280 TraceCheckUtils]: 32: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !false; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,479 INFO L280 TraceCheckUtils]: 33: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,480 INFO L280 TraceCheckUtils]: 34: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,481 INFO L280 TraceCheckUtils]: 35: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~11); {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,481 INFO L280 TraceCheckUtils]: 36: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,482 INFO L280 TraceCheckUtils]: 37: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,482 INFO L280 TraceCheckUtils]: 38: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,483 INFO L280 TraceCheckUtils]: 39: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,484 INFO L280 TraceCheckUtils]: 40: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {21530#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,485 INFO L280 TraceCheckUtils]: 41: Hoare triple {21530#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,486 INFO L280 TraceCheckUtils]: 42: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,487 INFO L280 TraceCheckUtils]: 43: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,488 INFO L280 TraceCheckUtils]: 44: Hoare triple {21531#(<= 1 ~waterLevel~0)} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,488 INFO L280 TraceCheckUtils]: 45: Hoare triple {21531#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,489 INFO L280 TraceCheckUtils]: 46: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,508 INFO L280 TraceCheckUtils]: 47: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,509 INFO L280 TraceCheckUtils]: 48: Hoare triple {21531#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,509 INFO L280 TraceCheckUtils]: 49: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,510 INFO L280 TraceCheckUtils]: 50: Hoare triple {21531#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,511 INFO L280 TraceCheckUtils]: 51: Hoare triple {21531#(<= 1 ~waterLevel~0)} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,512 INFO L280 TraceCheckUtils]: 52: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,513 INFO L280 TraceCheckUtils]: 53: Hoare triple {21531#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {21531#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:55,514 INFO L280 TraceCheckUtils]: 54: Hoare triple {21531#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {21532#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:55,515 INFO L280 TraceCheckUtils]: 55: Hoare triple {21532#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {21533#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} is VALID [2020-07-28 19:04:55,516 INFO L280 TraceCheckUtils]: 56: Hoare triple {21533#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {21528#false} is VALID [2020-07-28 19:04:55,516 INFO L280 TraceCheckUtils]: 57: Hoare triple {21528#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {21528#false} is VALID [2020-07-28 19:04:55,516 INFO L280 TraceCheckUtils]: 58: Hoare triple {21528#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {21528#false} is VALID [2020-07-28 19:04:55,517 INFO L280 TraceCheckUtils]: 59: Hoare triple {21528#false} assume !false; {21528#false} is VALID [2020-07-28 19:04:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:04:55,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:04:55,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-07-28 19:04:55,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904848742] [2020-07-28 19:04:55,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-28 19:04:55,527 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:55,528 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:04:55,617 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:55,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:04:55,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:55,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:04:55,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:55,618 INFO L87 Difference]: Start difference. First operand 163 states and 205 transitions. Second operand 7 states. [2020-07-28 19:04:57,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:57,765 INFO L93 Difference]: Finished difference Result 541 states and 695 transitions. [2020-07-28 19:04:57,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-28 19:04:57,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-28 19:04:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 471 transitions. [2020-07-28 19:04:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:57,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 471 transitions. [2020-07-28 19:04:57,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 471 transitions. [2020-07-28 19:04:58,302 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 471 edges. 471 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:58,324 INFO L225 Difference]: With dead ends: 541 [2020-07-28 19:04:58,325 INFO L226 Difference]: Without dead ends: 409 [2020-07-28 19:04:58,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-07-28 19:04:58,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-07-28 19:04:58,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 224. [2020-07-28 19:04:58,872 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:58,872 INFO L82 GeneralOperation]: Start isEquivalent. First operand 409 states. Second operand 224 states. [2020-07-28 19:04:58,872 INFO L74 IsIncluded]: Start isIncluded. First operand 409 states. Second operand 224 states. [2020-07-28 19:04:58,873 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 224 states. [2020-07-28 19:04:58,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:58,883 INFO L93 Difference]: Finished difference Result 409 states and 517 transitions. [2020-07-28 19:04:58,884 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 517 transitions. [2020-07-28 19:04:58,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:58,885 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:58,885 INFO L74 IsIncluded]: Start isIncluded. First operand 224 states. Second operand 409 states. [2020-07-28 19:04:58,885 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 409 states. [2020-07-28 19:04:58,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:58,898 INFO L93 Difference]: Finished difference Result 409 states and 517 transitions. [2020-07-28 19:04:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 517 transitions. [2020-07-28 19:04:58,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:58,899 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:58,899 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:58,899 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-28 19:04:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 286 transitions. [2020-07-28 19:04:58,905 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 286 transitions. Word has length 60 [2020-07-28 19:04:58,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:58,905 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 286 transitions. [2020-07-28 19:04:58,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:04:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 286 transitions. [2020-07-28 19:04:58,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-28 19:04:58,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:58,907 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:59,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-28 19:04:59,122 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:59,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:59,123 INFO L82 PathProgramCache]: Analyzing trace with hash 444677923, now seen corresponding path program 2 times [2020-07-28 19:04:59,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:59,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702961815] [2020-07-28 19:04:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:59,378 INFO L280 TraceCheckUtils]: 0: Hoare triple {23607#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,379 INFO L280 TraceCheckUtils]: 1: Hoare triple {23609#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,380 INFO L280 TraceCheckUtils]: 2: Hoare triple {23609#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,381 INFO L280 TraceCheckUtils]: 3: Hoare triple {23609#(= 1 ~waterLevel~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,382 INFO L280 TraceCheckUtils]: 4: Hoare triple {23609#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~3; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,382 INFO L280 TraceCheckUtils]: 5: Hoare triple {23609#(= 1 ~waterLevel~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,383 INFO L280 TraceCheckUtils]: 6: Hoare triple {23609#(= 1 ~waterLevel~0)} assume !false; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,384 INFO L280 TraceCheckUtils]: 7: Hoare triple {23609#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,384 INFO L280 TraceCheckUtils]: 8: Hoare triple {23609#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,385 INFO L280 TraceCheckUtils]: 9: Hoare triple {23609#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~11; {23609#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,386 INFO L280 TraceCheckUtils]: 10: Hoare triple {23609#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,387 INFO L280 TraceCheckUtils]: 11: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,388 INFO L280 TraceCheckUtils]: 12: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,388 INFO L280 TraceCheckUtils]: 13: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,389 INFO L280 TraceCheckUtils]: 14: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,390 INFO L280 TraceCheckUtils]: 15: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,391 INFO L280 TraceCheckUtils]: 16: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,391 INFO L280 TraceCheckUtils]: 17: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,392 INFO L280 TraceCheckUtils]: 18: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,393 INFO L280 TraceCheckUtils]: 19: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,394 INFO L280 TraceCheckUtils]: 20: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,394 INFO L280 TraceCheckUtils]: 21: Hoare triple {23610#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,395 INFO L280 TraceCheckUtils]: 22: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~1 := 1; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,396 INFO L280 TraceCheckUtils]: 23: Hoare triple {23610#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,397 INFO L280 TraceCheckUtils]: 24: Hoare triple {23610#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,398 INFO L280 TraceCheckUtils]: 25: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,398 INFO L280 TraceCheckUtils]: 26: Hoare triple {23610#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,399 INFO L280 TraceCheckUtils]: 27: Hoare triple {23610#(<= 2 ~waterLevel~0)} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,400 INFO L280 TraceCheckUtils]: 28: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,400 INFO L280 TraceCheckUtils]: 29: Hoare triple {23610#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,401 INFO L280 TraceCheckUtils]: 30: Hoare triple {23610#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,401 INFO L280 TraceCheckUtils]: 31: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,402 INFO L280 TraceCheckUtils]: 32: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !false; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,402 INFO L280 TraceCheckUtils]: 33: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,403 INFO L280 TraceCheckUtils]: 34: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,403 INFO L280 TraceCheckUtils]: 35: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~11); {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,404 INFO L280 TraceCheckUtils]: 36: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,405 INFO L280 TraceCheckUtils]: 37: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,405 INFO L280 TraceCheckUtils]: 38: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,406 INFO L280 TraceCheckUtils]: 39: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,407 INFO L280 TraceCheckUtils]: 40: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {23610#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,408 INFO L280 TraceCheckUtils]: 41: Hoare triple {23610#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {23611#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,408 INFO L280 TraceCheckUtils]: 42: Hoare triple {23611#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {23611#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,409 INFO L280 TraceCheckUtils]: 43: Hoare triple {23611#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {23611#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,410 INFO L280 TraceCheckUtils]: 44: Hoare triple {23611#(<= 1 ~waterLevel~0)} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {23611#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,411 INFO L280 TraceCheckUtils]: 45: Hoare triple {23611#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {23611#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,411 INFO L280 TraceCheckUtils]: 46: Hoare triple {23611#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {23611#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,413 INFO L280 TraceCheckUtils]: 47: Hoare triple {23611#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {23612#(and (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))} is VALID [2020-07-28 19:04:59,414 INFO L280 TraceCheckUtils]: 48: Hoare triple {23612#(and (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {23613#(and (<= ULTIMATE.start_isLowWaterLevel_~tmp~10 0) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10))} is VALID [2020-07-28 19:04:59,415 INFO L280 TraceCheckUtils]: 49: Hoare triple {23613#(and (<= ULTIMATE.start_isLowWaterLevel_~tmp~10 0) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10))} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {23608#false} is VALID [2020-07-28 19:04:59,415 INFO L280 TraceCheckUtils]: 50: Hoare triple {23608#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {23608#false} is VALID [2020-07-28 19:04:59,415 INFO L280 TraceCheckUtils]: 51: Hoare triple {23608#false} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {23608#false} is VALID [2020-07-28 19:04:59,416 INFO L280 TraceCheckUtils]: 52: Hoare triple {23608#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {23608#false} is VALID [2020-07-28 19:04:59,416 INFO L280 TraceCheckUtils]: 53: Hoare triple {23608#false} assume !(0 == ~pumpRunning~0); {23608#false} is VALID [2020-07-28 19:04:59,416 INFO L280 TraceCheckUtils]: 54: Hoare triple {23608#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {23608#false} is VALID [2020-07-28 19:04:59,416 INFO L280 TraceCheckUtils]: 55: Hoare triple {23608#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {23608#false} is VALID [2020-07-28 19:04:59,417 INFO L280 TraceCheckUtils]: 56: Hoare triple {23608#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {23608#false} is VALID [2020-07-28 19:04:59,417 INFO L280 TraceCheckUtils]: 57: Hoare triple {23608#false} assume !false; {23608#false} is VALID [2020-07-28 19:04:59,417 INFO L280 TraceCheckUtils]: 58: Hoare triple {23608#false} assume test_~splverifierCounter~0 < 4; {23608#false} is VALID [2020-07-28 19:04:59,417 INFO L280 TraceCheckUtils]: 59: Hoare triple {23608#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {23608#false} is VALID [2020-07-28 19:04:59,418 INFO L280 TraceCheckUtils]: 60: Hoare triple {23608#false} assume !(0 != test_~tmp~11); {23608#false} is VALID [2020-07-28 19:04:59,418 INFO L280 TraceCheckUtils]: 61: Hoare triple {23608#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {23608#false} is VALID [2020-07-28 19:04:59,418 INFO L280 TraceCheckUtils]: 62: Hoare triple {23608#false} assume !(0 != test_~tmp___0~3); {23608#false} is VALID [2020-07-28 19:04:59,418 INFO L280 TraceCheckUtils]: 63: Hoare triple {23608#false} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {23608#false} is VALID [2020-07-28 19:04:59,419 INFO L280 TraceCheckUtils]: 64: Hoare triple {23608#false} assume 0 != test_~tmp___2~0; {23608#false} is VALID [2020-07-28 19:04:59,419 INFO L280 TraceCheckUtils]: 65: Hoare triple {23608#false} assume 0 != ~pumpRunning~0; {23608#false} is VALID [2020-07-28 19:04:59,419 INFO L280 TraceCheckUtils]: 66: Hoare triple {23608#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {23608#false} is VALID [2020-07-28 19:04:59,420 INFO L280 TraceCheckUtils]: 67: Hoare triple {23608#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {23608#false} is VALID [2020-07-28 19:04:59,420 INFO L280 TraceCheckUtils]: 68: Hoare triple {23608#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {23608#false} is VALID [2020-07-28 19:04:59,420 INFO L280 TraceCheckUtils]: 69: Hoare triple {23608#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {23608#false} is VALID [2020-07-28 19:04:59,420 INFO L280 TraceCheckUtils]: 70: Hoare triple {23608#false} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {23608#false} is VALID [2020-07-28 19:04:59,421 INFO L280 TraceCheckUtils]: 71: Hoare triple {23608#false} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {23608#false} is VALID [2020-07-28 19:04:59,421 INFO L280 TraceCheckUtils]: 72: Hoare triple {23608#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {23608#false} is VALID [2020-07-28 19:04:59,421 INFO L280 TraceCheckUtils]: 73: Hoare triple {23608#false} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {23608#false} is VALID [2020-07-28 19:04:59,421 INFO L280 TraceCheckUtils]: 74: Hoare triple {23608#false} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {23608#false} is VALID [2020-07-28 19:04:59,422 INFO L280 TraceCheckUtils]: 75: Hoare triple {23608#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {23608#false} is VALID [2020-07-28 19:04:59,422 INFO L280 TraceCheckUtils]: 76: Hoare triple {23608#false} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {23608#false} is VALID [2020-07-28 19:04:59,422 INFO L280 TraceCheckUtils]: 77: Hoare triple {23608#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {23608#false} is VALID [2020-07-28 19:04:59,422 INFO L280 TraceCheckUtils]: 78: Hoare triple {23608#false} assume !(0 == ~pumpRunning~0); {23608#false} is VALID [2020-07-28 19:04:59,423 INFO L280 TraceCheckUtils]: 79: Hoare triple {23608#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {23608#false} is VALID [2020-07-28 19:04:59,423 INFO L280 TraceCheckUtils]: 80: Hoare triple {23608#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {23608#false} is VALID [2020-07-28 19:04:59,423 INFO L280 TraceCheckUtils]: 81: Hoare triple {23608#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {23608#false} is VALID [2020-07-28 19:04:59,423 INFO L280 TraceCheckUtils]: 82: Hoare triple {23608#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {23608#false} is VALID [2020-07-28 19:04:59,424 INFO L280 TraceCheckUtils]: 83: Hoare triple {23608#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {23608#false} is VALID [2020-07-28 19:04:59,424 INFO L280 TraceCheckUtils]: 84: Hoare triple {23608#false} assume !false; {23608#false} is VALID [2020-07-28 19:04:59,434 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 35 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-28 19:04:59,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702961815] [2020-07-28 19:04:59,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112953159] [2020-07-28 19:04:59,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:04:59,634 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-28 19:04:59,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 19:04:59,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 19:04:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:59,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:59,784 INFO L342 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-28 19:04:59,785 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 19:04:59,848 INFO L280 TraceCheckUtils]: 0: Hoare triple {23607#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {23607#true} is VALID [2020-07-28 19:04:59,848 INFO L280 TraceCheckUtils]: 1: Hoare triple {23607#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {23607#true} is VALID [2020-07-28 19:04:59,848 INFO L280 TraceCheckUtils]: 2: Hoare triple {23607#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {23607#true} is VALID [2020-07-28 19:04:59,848 INFO L280 TraceCheckUtils]: 3: Hoare triple {23607#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {23607#true} is VALID [2020-07-28 19:04:59,849 INFO L280 TraceCheckUtils]: 4: Hoare triple {23607#true} assume 0 != main_~tmp~3; {23607#true} is VALID [2020-07-28 19:04:59,849 INFO L280 TraceCheckUtils]: 5: Hoare triple {23607#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {23607#true} is VALID [2020-07-28 19:04:59,849 INFO L280 TraceCheckUtils]: 6: Hoare triple {23607#true} assume !false; {23607#true} is VALID [2020-07-28 19:04:59,849 INFO L280 TraceCheckUtils]: 7: Hoare triple {23607#true} assume test_~splverifierCounter~0 < 4; {23607#true} is VALID [2020-07-28 19:04:59,849 INFO L280 TraceCheckUtils]: 8: Hoare triple {23607#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {23607#true} is VALID [2020-07-28 19:04:59,850 INFO L280 TraceCheckUtils]: 9: Hoare triple {23607#true} assume 0 != test_~tmp~11; {23607#true} is VALID [2020-07-28 19:04:59,850 INFO L280 TraceCheckUtils]: 10: Hoare triple {23607#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {23607#true} is VALID [2020-07-28 19:04:59,851 INFO L280 TraceCheckUtils]: 11: Hoare triple {23607#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {23607#true} is VALID [2020-07-28 19:04:59,851 INFO L280 TraceCheckUtils]: 12: Hoare triple {23607#true} assume !(0 != test_~tmp___0~3); {23607#true} is VALID [2020-07-28 19:04:59,851 INFO L280 TraceCheckUtils]: 13: Hoare triple {23607#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {23607#true} is VALID [2020-07-28 19:04:59,851 INFO L280 TraceCheckUtils]: 14: Hoare triple {23607#true} assume 0 != test_~tmp___2~0; {23607#true} is VALID [2020-07-28 19:04:59,851 INFO L280 TraceCheckUtils]: 15: Hoare triple {23607#true} assume !(0 != ~pumpRunning~0); {23607#true} is VALID [2020-07-28 19:04:59,852 INFO L280 TraceCheckUtils]: 16: Hoare triple {23607#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {23607#true} is VALID [2020-07-28 19:04:59,852 INFO L280 TraceCheckUtils]: 17: Hoare triple {23607#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {23607#true} is VALID [2020-07-28 19:04:59,852 INFO L280 TraceCheckUtils]: 18: Hoare triple {23607#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {23607#true} is VALID [2020-07-28 19:04:59,853 INFO L280 TraceCheckUtils]: 19: Hoare triple {23607#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {23607#true} is VALID [2020-07-28 19:04:59,853 INFO L280 TraceCheckUtils]: 20: Hoare triple {23607#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {23607#true} is VALID [2020-07-28 19:04:59,853 INFO L280 TraceCheckUtils]: 21: Hoare triple {23607#true} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {23607#true} is VALID [2020-07-28 19:04:59,853 INFO L280 TraceCheckUtils]: 22: Hoare triple {23607#true} assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~1 := 1; {23607#true} is VALID [2020-07-28 19:04:59,853 INFO L280 TraceCheckUtils]: 23: Hoare triple {23607#true} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {23607#true} is VALID [2020-07-28 19:04:59,854 INFO L280 TraceCheckUtils]: 24: Hoare triple {23607#true} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {23607#true} is VALID [2020-07-28 19:04:59,854 INFO L280 TraceCheckUtils]: 25: Hoare triple {23607#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {23607#true} is VALID [2020-07-28 19:04:59,854 INFO L280 TraceCheckUtils]: 26: Hoare triple {23607#true} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {23607#true} is VALID [2020-07-28 19:04:59,855 INFO L280 TraceCheckUtils]: 27: Hoare triple {23607#true} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {23607#true} is VALID [2020-07-28 19:04:59,855 INFO L280 TraceCheckUtils]: 28: Hoare triple {23607#true} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {23607#true} is VALID [2020-07-28 19:04:59,855 INFO L280 TraceCheckUtils]: 29: Hoare triple {23607#true} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {23607#true} is VALID [2020-07-28 19:04:59,855 INFO L280 TraceCheckUtils]: 30: Hoare triple {23607#true} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {23607#true} is VALID [2020-07-28 19:04:59,856 INFO L280 TraceCheckUtils]: 31: Hoare triple {23607#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {23607#true} is VALID [2020-07-28 19:04:59,856 INFO L280 TraceCheckUtils]: 32: Hoare triple {23607#true} assume !false; {23607#true} is VALID [2020-07-28 19:04:59,856 INFO L280 TraceCheckUtils]: 33: Hoare triple {23607#true} assume test_~splverifierCounter~0 < 4; {23607#true} is VALID [2020-07-28 19:04:59,857 INFO L280 TraceCheckUtils]: 34: Hoare triple {23607#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {23607#true} is VALID [2020-07-28 19:04:59,857 INFO L280 TraceCheckUtils]: 35: Hoare triple {23607#true} assume !(0 != test_~tmp~11); {23607#true} is VALID [2020-07-28 19:04:59,857 INFO L280 TraceCheckUtils]: 36: Hoare triple {23607#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {23607#true} is VALID [2020-07-28 19:04:59,857 INFO L280 TraceCheckUtils]: 37: Hoare triple {23607#true} assume !(0 != test_~tmp___0~3); {23607#true} is VALID [2020-07-28 19:04:59,858 INFO L280 TraceCheckUtils]: 38: Hoare triple {23607#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {23607#true} is VALID [2020-07-28 19:04:59,858 INFO L280 TraceCheckUtils]: 39: Hoare triple {23607#true} assume 0 != test_~tmp___2~0; {23607#true} is VALID [2020-07-28 19:04:59,858 INFO L280 TraceCheckUtils]: 40: Hoare triple {23607#true} assume 0 != ~pumpRunning~0; {23607#true} is VALID [2020-07-28 19:04:59,859 INFO L280 TraceCheckUtils]: 41: Hoare triple {23607#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {23607#true} is VALID [2020-07-28 19:04:59,859 INFO L280 TraceCheckUtils]: 42: Hoare triple {23607#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {23607#true} is VALID [2020-07-28 19:04:59,859 INFO L280 TraceCheckUtils]: 43: Hoare triple {23607#true} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {23607#true} is VALID [2020-07-28 19:04:59,859 INFO L280 TraceCheckUtils]: 44: Hoare triple {23607#true} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {23607#true} is VALID [2020-07-28 19:04:59,860 INFO L280 TraceCheckUtils]: 45: Hoare triple {23607#true} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {23607#true} is VALID [2020-07-28 19:04:59,860 INFO L280 TraceCheckUtils]: 46: Hoare triple {23607#true} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {23607#true} is VALID [2020-07-28 19:04:59,861 INFO L280 TraceCheckUtils]: 47: Hoare triple {23607#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {23758#(or (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0))) (and (= 1 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0)))} is VALID [2020-07-28 19:04:59,863 INFO L280 TraceCheckUtils]: 48: Hoare triple {23758#(or (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0))) (and (= 1 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0)))} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {23762#(or (and (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~10) (= 0 ~waterLevel~0)) (and (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10) (not (= 0 ~waterLevel~0))))} is VALID [2020-07-28 19:04:59,863 INFO L280 TraceCheckUtils]: 49: Hoare triple {23762#(or (and (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~10) (= 0 ~waterLevel~0)) (and (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10) (not (= 0 ~waterLevel~0))))} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,864 INFO L280 TraceCheckUtils]: 50: Hoare triple {23766#(= 0 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,865 INFO L280 TraceCheckUtils]: 51: Hoare triple {23766#(= 0 ~waterLevel~0)} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,865 INFO L280 TraceCheckUtils]: 52: Hoare triple {23766#(= 0 ~waterLevel~0)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,866 INFO L280 TraceCheckUtils]: 53: Hoare triple {23766#(= 0 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,879 INFO L280 TraceCheckUtils]: 54: Hoare triple {23766#(= 0 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,879 INFO L280 TraceCheckUtils]: 55: Hoare triple {23766#(= 0 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,880 INFO L280 TraceCheckUtils]: 56: Hoare triple {23766#(= 0 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,886 INFO L280 TraceCheckUtils]: 57: Hoare triple {23766#(= 0 ~waterLevel~0)} assume !false; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,886 INFO L280 TraceCheckUtils]: 58: Hoare triple {23766#(= 0 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,887 INFO L280 TraceCheckUtils]: 59: Hoare triple {23766#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,890 INFO L280 TraceCheckUtils]: 60: Hoare triple {23766#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp~11); {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,894 INFO L280 TraceCheckUtils]: 61: Hoare triple {23766#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,895 INFO L280 TraceCheckUtils]: 62: Hoare triple {23766#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp___0~3); {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,896 INFO L280 TraceCheckUtils]: 63: Hoare triple {23766#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,896 INFO L280 TraceCheckUtils]: 64: Hoare triple {23766#(= 0 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,897 INFO L280 TraceCheckUtils]: 65: Hoare triple {23766#(= 0 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {23766#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:59,898 INFO L280 TraceCheckUtils]: 66: Hoare triple {23766#(= 0 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {23608#false} is VALID [2020-07-28 19:04:59,898 INFO L280 TraceCheckUtils]: 67: Hoare triple {23608#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {23608#false} is VALID [2020-07-28 19:04:59,898 INFO L280 TraceCheckUtils]: 68: Hoare triple {23608#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {23608#false} is VALID [2020-07-28 19:04:59,899 INFO L280 TraceCheckUtils]: 69: Hoare triple {23608#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {23608#false} is VALID [2020-07-28 19:04:59,899 INFO L280 TraceCheckUtils]: 70: Hoare triple {23608#false} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {23608#false} is VALID [2020-07-28 19:04:59,899 INFO L280 TraceCheckUtils]: 71: Hoare triple {23608#false} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {23608#false} is VALID [2020-07-28 19:04:59,899 INFO L280 TraceCheckUtils]: 72: Hoare triple {23608#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {23608#false} is VALID [2020-07-28 19:04:59,900 INFO L280 TraceCheckUtils]: 73: Hoare triple {23608#false} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {23608#false} is VALID [2020-07-28 19:04:59,900 INFO L280 TraceCheckUtils]: 74: Hoare triple {23608#false} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {23608#false} is VALID [2020-07-28 19:04:59,900 INFO L280 TraceCheckUtils]: 75: Hoare triple {23608#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {23608#false} is VALID [2020-07-28 19:04:59,900 INFO L280 TraceCheckUtils]: 76: Hoare triple {23608#false} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {23608#false} is VALID [2020-07-28 19:04:59,901 INFO L280 TraceCheckUtils]: 77: Hoare triple {23608#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {23608#false} is VALID [2020-07-28 19:04:59,901 INFO L280 TraceCheckUtils]: 78: Hoare triple {23608#false} assume !(0 == ~pumpRunning~0); {23608#false} is VALID [2020-07-28 19:04:59,901 INFO L280 TraceCheckUtils]: 79: Hoare triple {23608#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {23608#false} is VALID [2020-07-28 19:04:59,901 INFO L280 TraceCheckUtils]: 80: Hoare triple {23608#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {23608#false} is VALID [2020-07-28 19:04:59,901 INFO L280 TraceCheckUtils]: 81: Hoare triple {23608#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {23608#false} is VALID [2020-07-28 19:04:59,902 INFO L280 TraceCheckUtils]: 82: Hoare triple {23608#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {23608#false} is VALID [2020-07-28 19:04:59,902 INFO L280 TraceCheckUtils]: 83: Hoare triple {23608#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {23608#false} is VALID [2020-07-28 19:04:59,907 INFO L280 TraceCheckUtils]: 84: Hoare triple {23608#false} assume !false; {23608#false} is VALID [2020-07-28 19:04:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:04:59,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:04:59,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2020-07-28 19:04:59,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412477551] [2020-07-28 19:04:59,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-28 19:04:59,949 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:59,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:00,042 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:00,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:00,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:00,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:00,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-28 19:05:00,043 INFO L87 Difference]: Start difference. First operand 224 states and 286 transitions. Second operand 5 states. [2020-07-28 19:05:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:02,648 INFO L93 Difference]: Finished difference Result 730 states and 935 transitions. [2020-07-28 19:05:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:05:02,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-28 19:05:02,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:02,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 316 transitions. [2020-07-28 19:05:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 316 transitions. [2020-07-28 19:05:02,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 316 transitions. [2020-07-28 19:05:03,099 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 316 edges. 316 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:03,116 INFO L225 Difference]: With dead ends: 730 [2020-07-28 19:05:03,117 INFO L226 Difference]: Without dead ends: 511 [2020-07-28 19:05:03,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-07-28 19:05:03,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-07-28 19:05:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 307. [2020-07-28 19:05:04,070 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:04,070 INFO L82 GeneralOperation]: Start isEquivalent. First operand 511 states. Second operand 307 states. [2020-07-28 19:05:04,070 INFO L74 IsIncluded]: Start isIncluded. First operand 511 states. Second operand 307 states. [2020-07-28 19:05:04,070 INFO L87 Difference]: Start difference. First operand 511 states. Second operand 307 states. [2020-07-28 19:05:04,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:04,086 INFO L93 Difference]: Finished difference Result 511 states and 642 transitions. [2020-07-28 19:05:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 642 transitions. [2020-07-28 19:05:04,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:04,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:04,087 INFO L74 IsIncluded]: Start isIncluded. First operand 307 states. Second operand 511 states. [2020-07-28 19:05:04,087 INFO L87 Difference]: Start difference. First operand 307 states. Second operand 511 states. [2020-07-28 19:05:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:04,104 INFO L93 Difference]: Finished difference Result 511 states and 642 transitions. [2020-07-28 19:05:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 642 transitions. [2020-07-28 19:05:04,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:04,105 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:04,105 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:04,105 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-07-28 19:05:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 389 transitions. [2020-07-28 19:05:04,114 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 389 transitions. Word has length 85 [2020-07-28 19:05:04,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:04,115 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 389 transitions. [2020-07-28 19:05:04,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 389 transitions. [2020-07-28 19:05:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-28 19:05:04,116 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:05:04,116 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:05:04,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-28 19:05:04,331 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:05:04,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:05:04,332 INFO L82 PathProgramCache]: Analyzing trace with hash 50311137, now seen corresponding path program 1 times [2020-07-28 19:05:04,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:05:04,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144793623] [2020-07-28 19:05:04,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:05:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:04,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {26326#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,435 INFO L280 TraceCheckUtils]: 1: Hoare triple {26328#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,436 INFO L280 TraceCheckUtils]: 2: Hoare triple {26328#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,436 INFO L280 TraceCheckUtils]: 3: Hoare triple {26328#(= 1 ~systemActive~0)} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,437 INFO L280 TraceCheckUtils]: 4: Hoare triple {26328#(= 1 ~systemActive~0)} assume 0 != main_~tmp~3; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,438 INFO L280 TraceCheckUtils]: 5: Hoare triple {26328#(= 1 ~systemActive~0)} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,438 INFO L280 TraceCheckUtils]: 6: Hoare triple {26328#(= 1 ~systemActive~0)} assume !false; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,439 INFO L280 TraceCheckUtils]: 7: Hoare triple {26328#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,439 INFO L280 TraceCheckUtils]: 8: Hoare triple {26328#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,440 INFO L280 TraceCheckUtils]: 9: Hoare triple {26328#(= 1 ~systemActive~0)} assume 0 != test_~tmp~11; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,441 INFO L280 TraceCheckUtils]: 10: Hoare triple {26328#(= 1 ~systemActive~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,441 INFO L280 TraceCheckUtils]: 11: Hoare triple {26328#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,442 INFO L280 TraceCheckUtils]: 12: Hoare triple {26328#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~3); {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,442 INFO L280 TraceCheckUtils]: 13: Hoare triple {26328#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,443 INFO L280 TraceCheckUtils]: 14: Hoare triple {26328#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,444 INFO L280 TraceCheckUtils]: 15: Hoare triple {26328#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {26328#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:05:04,444 INFO L280 TraceCheckUtils]: 16: Hoare triple {26328#(= 1 ~systemActive~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {26326#true} is VALID [2020-07-28 19:05:04,444 INFO L280 TraceCheckUtils]: 17: Hoare triple {26326#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {26326#true} is VALID [2020-07-28 19:05:04,444 INFO L280 TraceCheckUtils]: 18: Hoare triple {26326#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {26326#true} is VALID [2020-07-28 19:05:04,444 INFO L280 TraceCheckUtils]: 19: Hoare triple {26326#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {26326#true} is VALID [2020-07-28 19:05:04,445 INFO L280 TraceCheckUtils]: 20: Hoare triple {26326#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {26326#true} is VALID [2020-07-28 19:05:04,445 INFO L280 TraceCheckUtils]: 21: Hoare triple {26326#true} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {26326#true} is VALID [2020-07-28 19:05:04,445 INFO L280 TraceCheckUtils]: 22: Hoare triple {26326#true} assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~1 := 1; {26326#true} is VALID [2020-07-28 19:05:04,446 INFO L280 TraceCheckUtils]: 23: Hoare triple {26326#true} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {26326#true} is VALID [2020-07-28 19:05:04,446 INFO L280 TraceCheckUtils]: 24: Hoare triple {26326#true} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {26326#true} is VALID [2020-07-28 19:05:04,446 INFO L280 TraceCheckUtils]: 25: Hoare triple {26326#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {26326#true} is VALID [2020-07-28 19:05:04,446 INFO L280 TraceCheckUtils]: 26: Hoare triple {26326#true} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {26326#true} is VALID [2020-07-28 19:05:04,446 INFO L280 TraceCheckUtils]: 27: Hoare triple {26326#true} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {26326#true} is VALID [2020-07-28 19:05:04,446 INFO L280 TraceCheckUtils]: 28: Hoare triple {26326#true} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {26326#true} is VALID [2020-07-28 19:05:04,447 INFO L280 TraceCheckUtils]: 29: Hoare triple {26326#true} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {26326#true} is VALID [2020-07-28 19:05:04,447 INFO L280 TraceCheckUtils]: 30: Hoare triple {26326#true} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {26326#true} is VALID [2020-07-28 19:05:04,447 INFO L280 TraceCheckUtils]: 31: Hoare triple {26326#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {26326#true} is VALID [2020-07-28 19:05:04,447 INFO L280 TraceCheckUtils]: 32: Hoare triple {26326#true} assume !false; {26326#true} is VALID [2020-07-28 19:05:04,448 INFO L280 TraceCheckUtils]: 33: Hoare triple {26326#true} assume test_~splverifierCounter~0 < 4; {26326#true} is VALID [2020-07-28 19:05:04,448 INFO L280 TraceCheckUtils]: 34: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {26326#true} is VALID [2020-07-28 19:05:04,448 INFO L280 TraceCheckUtils]: 35: Hoare triple {26326#true} assume !(0 != test_~tmp~11); {26326#true} is VALID [2020-07-28 19:05:04,448 INFO L280 TraceCheckUtils]: 36: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {26326#true} is VALID [2020-07-28 19:05:04,448 INFO L280 TraceCheckUtils]: 37: Hoare triple {26326#true} assume !(0 != test_~tmp___0~3); {26326#true} is VALID [2020-07-28 19:05:04,449 INFO L280 TraceCheckUtils]: 38: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {26326#true} is VALID [2020-07-28 19:05:04,449 INFO L280 TraceCheckUtils]: 39: Hoare triple {26326#true} assume 0 != test_~tmp___2~0; {26326#true} is VALID [2020-07-28 19:05:04,449 INFO L280 TraceCheckUtils]: 40: Hoare triple {26326#true} assume 0 != ~pumpRunning~0; {26326#true} is VALID [2020-07-28 19:05:04,449 INFO L280 TraceCheckUtils]: 41: Hoare triple {26326#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {26326#true} is VALID [2020-07-28 19:05:04,449 INFO L280 TraceCheckUtils]: 42: Hoare triple {26326#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {26326#true} is VALID [2020-07-28 19:05:04,449 INFO L280 TraceCheckUtils]: 43: Hoare triple {26326#true} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {26326#true} is VALID [2020-07-28 19:05:04,449 INFO L280 TraceCheckUtils]: 44: Hoare triple {26326#true} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {26326#true} is VALID [2020-07-28 19:05:04,450 INFO L280 TraceCheckUtils]: 45: Hoare triple {26326#true} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {26326#true} is VALID [2020-07-28 19:05:04,450 INFO L280 TraceCheckUtils]: 46: Hoare triple {26326#true} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {26326#true} is VALID [2020-07-28 19:05:04,450 INFO L280 TraceCheckUtils]: 47: Hoare triple {26326#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {26326#true} is VALID [2020-07-28 19:05:04,450 INFO L280 TraceCheckUtils]: 48: Hoare triple {26326#true} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {26326#true} is VALID [2020-07-28 19:05:04,451 INFO L280 TraceCheckUtils]: 49: Hoare triple {26326#true} assume !(0 != isLowWaterLevel_~tmp~10);isLowWaterLevel_~tmp___0~2 := 1; {26329#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))} is VALID [2020-07-28 19:05:04,452 INFO L280 TraceCheckUtils]: 50: Hoare triple {26329#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2))} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {26330#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 19:05:04,453 INFO L280 TraceCheckUtils]: 51: Hoare triple {26330#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {26331#(not (= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~6))} is VALID [2020-07-28 19:05:04,454 INFO L280 TraceCheckUtils]: 52: Hoare triple {26331#(not (= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~6))} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {26327#false} is VALID [2020-07-28 19:05:04,454 INFO L280 TraceCheckUtils]: 53: Hoare triple {26327#false} assume !(0 == ~pumpRunning~0); {26327#false} is VALID [2020-07-28 19:05:04,454 INFO L280 TraceCheckUtils]: 54: Hoare triple {26327#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {26327#false} is VALID [2020-07-28 19:05:04,454 INFO L280 TraceCheckUtils]: 55: Hoare triple {26327#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {26327#false} is VALID [2020-07-28 19:05:04,455 INFO L280 TraceCheckUtils]: 56: Hoare triple {26327#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {26327#false} is VALID [2020-07-28 19:05:04,455 INFO L280 TraceCheckUtils]: 57: Hoare triple {26327#false} assume !false; {26327#false} is VALID [2020-07-28 19:05:04,455 INFO L280 TraceCheckUtils]: 58: Hoare triple {26327#false} assume test_~splverifierCounter~0 < 4; {26327#false} is VALID [2020-07-28 19:05:04,455 INFO L280 TraceCheckUtils]: 59: Hoare triple {26327#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {26327#false} is VALID [2020-07-28 19:05:04,455 INFO L280 TraceCheckUtils]: 60: Hoare triple {26327#false} assume !(0 != test_~tmp~11); {26327#false} is VALID [2020-07-28 19:05:04,455 INFO L280 TraceCheckUtils]: 61: Hoare triple {26327#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {26327#false} is VALID [2020-07-28 19:05:04,455 INFO L280 TraceCheckUtils]: 62: Hoare triple {26327#false} assume !(0 != test_~tmp___0~3); {26327#false} is VALID [2020-07-28 19:05:04,456 INFO L280 TraceCheckUtils]: 63: Hoare triple {26327#false} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {26327#false} is VALID [2020-07-28 19:05:04,456 INFO L280 TraceCheckUtils]: 64: Hoare triple {26327#false} assume 0 != test_~tmp___2~0; {26327#false} is VALID [2020-07-28 19:05:04,456 INFO L280 TraceCheckUtils]: 65: Hoare triple {26327#false} assume 0 != ~pumpRunning~0; {26327#false} is VALID [2020-07-28 19:05:04,456 INFO L280 TraceCheckUtils]: 66: Hoare triple {26327#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {26327#false} is VALID [2020-07-28 19:05:04,456 INFO L280 TraceCheckUtils]: 67: Hoare triple {26327#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {26327#false} is VALID [2020-07-28 19:05:04,456 INFO L280 TraceCheckUtils]: 68: Hoare triple {26327#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {26327#false} is VALID [2020-07-28 19:05:04,457 INFO L280 TraceCheckUtils]: 69: Hoare triple {26327#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {26327#false} is VALID [2020-07-28 19:05:04,457 INFO L280 TraceCheckUtils]: 70: Hoare triple {26327#false} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {26327#false} is VALID [2020-07-28 19:05:04,457 INFO L280 TraceCheckUtils]: 71: Hoare triple {26327#false} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {26327#false} is VALID [2020-07-28 19:05:04,457 INFO L280 TraceCheckUtils]: 72: Hoare triple {26327#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {26327#false} is VALID [2020-07-28 19:05:04,458 INFO L280 TraceCheckUtils]: 73: Hoare triple {26327#false} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {26327#false} is VALID [2020-07-28 19:05:04,458 INFO L280 TraceCheckUtils]: 74: Hoare triple {26327#false} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {26327#false} is VALID [2020-07-28 19:05:04,458 INFO L280 TraceCheckUtils]: 75: Hoare triple {26327#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {26327#false} is VALID [2020-07-28 19:05:04,459 INFO L280 TraceCheckUtils]: 76: Hoare triple {26327#false} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {26327#false} is VALID [2020-07-28 19:05:04,459 INFO L280 TraceCheckUtils]: 77: Hoare triple {26327#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {26327#false} is VALID [2020-07-28 19:05:04,459 INFO L280 TraceCheckUtils]: 78: Hoare triple {26327#false} assume !(0 == ~pumpRunning~0); {26327#false} is VALID [2020-07-28 19:05:04,459 INFO L280 TraceCheckUtils]: 79: Hoare triple {26327#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {26327#false} is VALID [2020-07-28 19:05:04,460 INFO L280 TraceCheckUtils]: 80: Hoare triple {26327#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {26327#false} is VALID [2020-07-28 19:05:04,460 INFO L280 TraceCheckUtils]: 81: Hoare triple {26327#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {26327#false} is VALID [2020-07-28 19:05:04,460 INFO L280 TraceCheckUtils]: 82: Hoare triple {26327#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {26327#false} is VALID [2020-07-28 19:05:04,460 INFO L280 TraceCheckUtils]: 83: Hoare triple {26327#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {26327#false} is VALID [2020-07-28 19:05:04,460 INFO L280 TraceCheckUtils]: 84: Hoare triple {26327#false} assume !false; {26327#false} is VALID [2020-07-28 19:05:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-28 19:05:04,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144793623] [2020-07-28 19:05:04,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818030567] [2020-07-28 19:05:04,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:05:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:04,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-28 19:05:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:05:04,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:05:04,859 INFO L280 TraceCheckUtils]: 0: Hoare triple {26326#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string42.base, #t~string42.offset, 1);call write~init~int(77, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(101, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(116, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(104, #t~string42.base, 4 + #t~string42.offset, 1);call write~init~int(58, #t~string42.base, 5 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 6 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string44.base, #t~string44.offset, 1);call write~init~int(82, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(73, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(84, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 4 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(75, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string48.base, #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 1 + #t~string48.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {26326#true} is VALID [2020-07-28 19:05:04,859 INFO L280 TraceCheckUtils]: 1: Hoare triple {26326#true} havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; {26326#true} is VALID [2020-07-28 19:05:04,859 INFO L280 TraceCheckUtils]: 2: Hoare triple {26326#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; {26326#true} is VALID [2020-07-28 19:05:04,859 INFO L280 TraceCheckUtils]: 3: Hoare triple {26326#true} main_#t~ret35 := valid_product_#res;assume -2147483648 <= main_#t~ret35 && main_#t~ret35 <= 2147483647;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; {26326#true} is VALID [2020-07-28 19:05:04,860 INFO L280 TraceCheckUtils]: 4: Hoare triple {26326#true} assume 0 != main_~tmp~3; {26326#true} is VALID [2020-07-28 19:05:04,860 INFO L280 TraceCheckUtils]: 5: Hoare triple {26326#true} havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~11, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {26326#true} is VALID [2020-07-28 19:05:04,860 INFO L280 TraceCheckUtils]: 6: Hoare triple {26326#true} assume !false; {26326#true} is VALID [2020-07-28 19:05:04,860 INFO L280 TraceCheckUtils]: 7: Hoare triple {26326#true} assume test_~splverifierCounter~0 < 4; {26326#true} is VALID [2020-07-28 19:05:04,860 INFO L280 TraceCheckUtils]: 8: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {26326#true} is VALID [2020-07-28 19:05:04,861 INFO L280 TraceCheckUtils]: 9: Hoare triple {26326#true} assume 0 != test_~tmp~11; {26326#true} is VALID [2020-07-28 19:05:04,861 INFO L280 TraceCheckUtils]: 10: Hoare triple {26326#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {26326#true} is VALID [2020-07-28 19:05:04,861 INFO L280 TraceCheckUtils]: 11: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {26326#true} is VALID [2020-07-28 19:05:04,861 INFO L280 TraceCheckUtils]: 12: Hoare triple {26326#true} assume !(0 != test_~tmp___0~3); {26326#true} is VALID [2020-07-28 19:05:04,861 INFO L280 TraceCheckUtils]: 13: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {26326#true} is VALID [2020-07-28 19:05:04,861 INFO L280 TraceCheckUtils]: 14: Hoare triple {26326#true} assume 0 != test_~tmp___2~0; {26326#true} is VALID [2020-07-28 19:05:04,862 INFO L280 TraceCheckUtils]: 15: Hoare triple {26326#true} assume !(0 != ~pumpRunning~0); {26326#true} is VALID [2020-07-28 19:05:04,862 INFO L280 TraceCheckUtils]: 16: Hoare triple {26326#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {26326#true} is VALID [2020-07-28 19:05:04,862 INFO L280 TraceCheckUtils]: 17: Hoare triple {26326#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {26326#true} is VALID [2020-07-28 19:05:04,862 INFO L280 TraceCheckUtils]: 18: Hoare triple {26326#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {26326#true} is VALID [2020-07-28 19:05:04,862 INFO L280 TraceCheckUtils]: 19: Hoare triple {26326#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret70, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {26326#true} is VALID [2020-07-28 19:05:04,863 INFO L280 TraceCheckUtils]: 20: Hoare triple {26326#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {26326#true} is VALID [2020-07-28 19:05:04,863 INFO L280 TraceCheckUtils]: 21: Hoare triple {26326#true} isHighWaterLevel_#t~ret70 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret70 && isHighWaterLevel_#t~ret70 <= 2147483647;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret70;havoc isHighWaterLevel_#t~ret70; {26326#true} is VALID [2020-07-28 19:05:04,863 INFO L280 TraceCheckUtils]: 22: Hoare triple {26326#true} assume !(0 != isHighWaterLevel_~tmp~9);isHighWaterLevel_~tmp___0~1 := 1; {26326#true} is VALID [2020-07-28 19:05:04,863 INFO L280 TraceCheckUtils]: 23: Hoare triple {26326#true} isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; {26326#true} is VALID [2020-07-28 19:05:04,863 INFO L280 TraceCheckUtils]: 24: Hoare triple {26326#true} processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret49 && processEnvironment__wrappee__highWaterSensor_#t~ret49 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~5 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; {26326#true} is VALID [2020-07-28 19:05:04,863 INFO L280 TraceCheckUtils]: 25: Hoare triple {26326#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc activatePump_#t~ret52, activatePump_~tmp~8;havoc activatePump_~tmp~8;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {26326#true} is VALID [2020-07-28 19:05:04,864 INFO L280 TraceCheckUtils]: 26: Hoare triple {26326#true} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {26326#true} is VALID [2020-07-28 19:05:04,864 INFO L280 TraceCheckUtils]: 27: Hoare triple {26326#true} activatePump_#t~ret52 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret52 && activatePump_#t~ret52 <= 2147483647;activatePump_~tmp~8 := activatePump_#t~ret52;havoc activatePump_#t~ret52; {26326#true} is VALID [2020-07-28 19:05:04,864 INFO L280 TraceCheckUtils]: 28: Hoare triple {26326#true} assume !(0 != activatePump_~tmp~8);~pumpRunning~0 := 1; {26326#true} is VALID [2020-07-28 19:05:04,864 INFO L280 TraceCheckUtils]: 29: Hoare triple {26326#true} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {26326#true} is VALID [2020-07-28 19:05:04,864 INFO L280 TraceCheckUtils]: 30: Hoare triple {26326#true} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {26326#true} is VALID [2020-07-28 19:05:04,864 INFO L280 TraceCheckUtils]: 31: Hoare triple {26326#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {26326#true} is VALID [2020-07-28 19:05:04,865 INFO L280 TraceCheckUtils]: 32: Hoare triple {26326#true} assume !false; {26326#true} is VALID [2020-07-28 19:05:04,865 INFO L280 TraceCheckUtils]: 33: Hoare triple {26326#true} assume test_~splverifierCounter~0 < 4; {26326#true} is VALID [2020-07-28 19:05:04,865 INFO L280 TraceCheckUtils]: 34: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {26326#true} is VALID [2020-07-28 19:05:04,865 INFO L280 TraceCheckUtils]: 35: Hoare triple {26326#true} assume !(0 != test_~tmp~11); {26326#true} is VALID [2020-07-28 19:05:04,865 INFO L280 TraceCheckUtils]: 36: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {26326#true} is VALID [2020-07-28 19:05:04,865 INFO L280 TraceCheckUtils]: 37: Hoare triple {26326#true} assume !(0 != test_~tmp___0~3); {26326#true} is VALID [2020-07-28 19:05:04,866 INFO L280 TraceCheckUtils]: 38: Hoare triple {26326#true} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {26326#true} is VALID [2020-07-28 19:05:04,866 INFO L280 TraceCheckUtils]: 39: Hoare triple {26326#true} assume 0 != test_~tmp___2~0; {26326#true} is VALID [2020-07-28 19:05:04,866 INFO L280 TraceCheckUtils]: 40: Hoare triple {26326#true} assume 0 != ~pumpRunning~0; {26326#true} is VALID [2020-07-28 19:05:04,866 INFO L280 TraceCheckUtils]: 41: Hoare triple {26326#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {26326#true} is VALID [2020-07-28 19:05:04,866 INFO L280 TraceCheckUtils]: 42: Hoare triple {26326#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {26326#true} is VALID [2020-07-28 19:05:04,866 INFO L280 TraceCheckUtils]: 43: Hoare triple {26326#true} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {26326#true} is VALID [2020-07-28 19:05:04,867 INFO L280 TraceCheckUtils]: 44: Hoare triple {26326#true} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {26326#true} is VALID [2020-07-28 19:05:04,867 INFO L280 TraceCheckUtils]: 45: Hoare triple {26326#true} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {26326#true} is VALID [2020-07-28 19:05:04,867 INFO L280 TraceCheckUtils]: 46: Hoare triple {26326#true} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {26326#true} is VALID [2020-07-28 19:05:04,867 INFO L280 TraceCheckUtils]: 47: Hoare triple {26326#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {26326#true} is VALID [2020-07-28 19:05:04,867 INFO L280 TraceCheckUtils]: 48: Hoare triple {26326#true} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {26326#true} is VALID [2020-07-28 19:05:04,869 INFO L280 TraceCheckUtils]: 49: Hoare triple {26326#true} assume !(0 != isLowWaterLevel_~tmp~10);isLowWaterLevel_~tmp___0~2 := 1; {26482#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)} is VALID [2020-07-28 19:05:04,869 INFO L280 TraceCheckUtils]: 50: Hoare triple {26482#(<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {26486#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} is VALID [2020-07-28 19:05:04,870 INFO L280 TraceCheckUtils]: 51: Hoare triple {26486#(<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {26490#(<= 1 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~6)} is VALID [2020-07-28 19:05:04,870 INFO L280 TraceCheckUtils]: 52: Hoare triple {26490#(<= 1 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~6)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {26327#false} is VALID [2020-07-28 19:05:04,871 INFO L280 TraceCheckUtils]: 53: Hoare triple {26327#false} assume !(0 == ~pumpRunning~0); {26327#false} is VALID [2020-07-28 19:05:04,871 INFO L280 TraceCheckUtils]: 54: Hoare triple {26327#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {26327#false} is VALID [2020-07-28 19:05:04,871 INFO L280 TraceCheckUtils]: 55: Hoare triple {26327#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {26327#false} is VALID [2020-07-28 19:05:04,871 INFO L280 TraceCheckUtils]: 56: Hoare triple {26327#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); {26327#false} is VALID [2020-07-28 19:05:04,871 INFO L280 TraceCheckUtils]: 57: Hoare triple {26327#false} assume !false; {26327#false} is VALID [2020-07-28 19:05:04,872 INFO L280 TraceCheckUtils]: 58: Hoare triple {26327#false} assume test_~splverifierCounter~0 < 4; {26327#false} is VALID [2020-07-28 19:05:04,872 INFO L280 TraceCheckUtils]: 59: Hoare triple {26327#false} assume -2147483648 <= test_#t~nondet72 && test_#t~nondet72 <= 2147483647;test_~tmp~11 := test_#t~nondet72;havoc test_#t~nondet72; {26327#false} is VALID [2020-07-28 19:05:04,872 INFO L280 TraceCheckUtils]: 60: Hoare triple {26327#false} assume !(0 != test_~tmp~11); {26327#false} is VALID [2020-07-28 19:05:04,872 INFO L280 TraceCheckUtils]: 61: Hoare triple {26327#false} assume -2147483648 <= test_#t~nondet73 && test_#t~nondet73 <= 2147483647;test_~tmp___0~3 := test_#t~nondet73;havoc test_#t~nondet73; {26327#false} is VALID [2020-07-28 19:05:04,872 INFO L280 TraceCheckUtils]: 62: Hoare triple {26327#false} assume !(0 != test_~tmp___0~3); {26327#false} is VALID [2020-07-28 19:05:04,873 INFO L280 TraceCheckUtils]: 63: Hoare triple {26327#false} assume -2147483648 <= test_#t~nondet74 && test_#t~nondet74 <= 2147483647;test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; {26327#false} is VALID [2020-07-28 19:05:04,873 INFO L280 TraceCheckUtils]: 64: Hoare triple {26327#false} assume 0 != test_~tmp___2~0; {26327#false} is VALID [2020-07-28 19:05:04,873 INFO L280 TraceCheckUtils]: 65: Hoare triple {26327#false} assume 0 != ~pumpRunning~0; {26327#false} is VALID [2020-07-28 19:05:04,873 INFO L280 TraceCheckUtils]: 66: Hoare triple {26327#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {26327#false} is VALID [2020-07-28 19:05:04,873 INFO L280 TraceCheckUtils]: 67: Hoare triple {26327#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; {26327#false} is VALID [2020-07-28 19:05:04,873 INFO L280 TraceCheckUtils]: 68: Hoare triple {26327#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret53, isMethaneAlarm_~retValue_acc~10;havoc isMethaneAlarm_~retValue_acc~10;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {26327#false} is VALID [2020-07-28 19:05:04,874 INFO L280 TraceCheckUtils]: 69: Hoare triple {26327#false} isMethaneAlarm_#t~ret53 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret53 && isMethaneAlarm_#t~ret53 <= 2147483647;isMethaneAlarm_~retValue_acc~10 := isMethaneAlarm_#t~ret53;havoc isMethaneAlarm_#t~ret53;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~10; {26327#false} is VALID [2020-07-28 19:05:04,874 INFO L280 TraceCheckUtils]: 70: Hoare triple {26327#false} processEnvironment_#t~ret51 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret51 && processEnvironment_#t~ret51 <= 2147483647;processEnvironment_~tmp~7 := processEnvironment_#t~ret51;havoc processEnvironment_#t~ret51; {26327#false} is VALID [2020-07-28 19:05:04,874 INFO L280 TraceCheckUtils]: 71: Hoare triple {26327#false} assume !(0 != processEnvironment_~tmp~7);havoc processEnvironment__wrappee__methaneQuery_#t~ret50, processEnvironment__wrappee__methaneQuery_~tmp~6;havoc processEnvironment__wrappee__methaneQuery_~tmp~6; {26327#false} is VALID [2020-07-28 19:05:04,874 INFO L280 TraceCheckUtils]: 72: Hoare triple {26327#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret71, isLowWaterLevel_~retValue_acc~13, isLowWaterLevel_~tmp~10, isLowWaterLevel_~tmp___0~2;havoc isLowWaterLevel_~retValue_acc~13;havoc isLowWaterLevel_~tmp~10;havoc isLowWaterLevel_~tmp___0~2;havoc isLowWaterSensorDry_#res;havoc isLowWaterSensorDry_~retValue_acc~9;havoc isLowWaterSensorDry_~retValue_acc~9;isLowWaterSensorDry_~retValue_acc~9 := (if 0 == ~waterLevel~0 then 1 else 0);isLowWaterSensorDry_#res := isLowWaterSensorDry_~retValue_acc~9; {26327#false} is VALID [2020-07-28 19:05:04,874 INFO L280 TraceCheckUtils]: 73: Hoare triple {26327#false} isLowWaterLevel_#t~ret71 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret71 && isLowWaterLevel_#t~ret71 <= 2147483647;isLowWaterLevel_~tmp~10 := isLowWaterLevel_#t~ret71;havoc isLowWaterLevel_#t~ret71; {26327#false} is VALID [2020-07-28 19:05:04,875 INFO L280 TraceCheckUtils]: 74: Hoare triple {26327#false} assume 0 != isLowWaterLevel_~tmp~10;isLowWaterLevel_~tmp___0~2 := 0; {26327#false} is VALID [2020-07-28 19:05:04,875 INFO L280 TraceCheckUtils]: 75: Hoare triple {26327#false} isLowWaterLevel_~retValue_acc~13 := isLowWaterLevel_~tmp___0~2;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~13; {26327#false} is VALID [2020-07-28 19:05:04,875 INFO L280 TraceCheckUtils]: 76: Hoare triple {26327#false} processEnvironment__wrappee__methaneQuery_#t~ret50 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret50 && processEnvironment__wrappee__methaneQuery_#t~ret50 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~6 := processEnvironment__wrappee__methaneQuery_#t~ret50;havoc processEnvironment__wrappee__methaneQuery_#t~ret50; {26327#false} is VALID [2020-07-28 19:05:04,875 INFO L280 TraceCheckUtils]: 77: Hoare triple {26327#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6);havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~5;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5; {26327#false} is VALID [2020-07-28 19:05:04,875 INFO L280 TraceCheckUtils]: 78: Hoare triple {26327#false} assume !(0 == ~pumpRunning~0); {26327#false} is VALID [2020-07-28 19:05:04,875 INFO L280 TraceCheckUtils]: 79: Hoare triple {26327#false} havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {26327#false} is VALID [2020-07-28 19:05:04,876 INFO L280 TraceCheckUtils]: 80: Hoare triple {26327#false} __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret37 && __utac_acc__Specification4_spec__1_#t~ret37 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; {26327#false} is VALID [2020-07-28 19:05:04,876 INFO L280 TraceCheckUtils]: 81: Hoare triple {26327#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; {26327#false} is VALID [2020-07-28 19:05:04,876 INFO L280 TraceCheckUtils]: 82: Hoare triple {26327#false} __utac_acc__Specification4_spec__1_#t~ret38 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~0 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {26327#false} is VALID [2020-07-28 19:05:04,876 INFO L280 TraceCheckUtils]: 83: Hoare triple {26327#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~0; {26327#false} is VALID [2020-07-28 19:05:04,876 INFO L280 TraceCheckUtils]: 84: Hoare triple {26327#false} assume !false; {26327#false} is VALID [2020-07-28 19:05:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-28 19:05:04,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:05:04,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-07-28 19:05:04,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847576396] [2020-07-28 19:05:04,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-28 19:05:04,883 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:05:04,883 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:05:04,962 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:04,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:05:04,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:05:04,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:05:04,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-28 19:05:04,963 INFO L87 Difference]: Start difference. First operand 307 states and 389 transitions. Second operand 5 states. [2020-07-28 19:05:06,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:06,377 INFO L93 Difference]: Finished difference Result 576 states and 725 transitions. [2020-07-28 19:05:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:05:06,377 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-28 19:05:06,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 255 transitions. [2020-07-28 19:05:06,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:05:06,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 255 transitions. [2020-07-28 19:05:06,379 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 255 transitions. [2020-07-28 19:05:06,688 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 255 edges. 255 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:06,688 INFO L225 Difference]: With dead ends: 576 [2020-07-28 19:05:06,688 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:05:06,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-07-28 19:05:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:05:06,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:05:06,691 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:06,691 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:06,691 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:06,691 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:06,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:06,691 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:06,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:06,692 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:06,692 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:06,692 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:06,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:06,692 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:06,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:06,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:06,693 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:06,693 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:05:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:05:06,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-07-28 19:05:06,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:06,694 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:05:06,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:05:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:06,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:06,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-28 19:05:06,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:05:07,016 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2020-07-28 19:05:07,344 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 91 [2020-07-28 19:05:07,541 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 91 [2020-07-28 19:05:07,975 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 95 [2020-07-28 19:05:08,113 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 100 [2020-07-28 19:05:08,321 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 91 [2020-07-28 19:05:08,596 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 26 [2020-07-28 19:05:08,835 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2020-07-28 19:05:09,074 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 26 [2020-07-28 19:05:09,393 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 18 [2020-07-28 19:05:09,752 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 18 [2020-07-28 19:05:10,177 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-07-28 19:05:10,576 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2020-07-28 19:05:10,950 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 19 [2020-07-28 19:05:11,272 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 22 [2020-07-28 19:05:11,609 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 15 [2020-07-28 19:05:11,909 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 18 [2020-07-28 19:05:11,934 INFO L268 CegarLoopResult]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2020-07-28 19:05:11,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2020-07-28 19:05:11,935 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-28 19:05:11,935 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:05:11,935 INFO L268 CegarLoopResult]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:05:11,935 INFO L268 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:05:11,936 INFO L268 CegarLoopResult]: For program point L763-3(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:05:11,936 INFO L268 CegarLoopResult]: For program point L763-4(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:05:11,936 INFO L268 CegarLoopResult]: For program point L763-5(lines 763 771) no Hoare annotation was computed. [2020-07-28 19:05:11,936 INFO L264 CegarLoopResult]: At program point L701(lines 700 719) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) (and .cse0 (<= 1 ~waterLevel~0) (= 1 ~systemActive~0)))) [2020-07-28 19:05:11,936 INFO L268 CegarLoopResult]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2020-07-28 19:05:11,937 INFO L264 CegarLoopResult]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2020-07-28 19:05:11,937 INFO L264 CegarLoopResult]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2020-07-28 19:05:11,937 INFO L271 CegarLoopResult]: At program point L505(lines 486 508) the Hoare annotation is: true [2020-07-28 19:05:11,937 INFO L268 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2020-07-28 19:05:11,937 INFO L264 CegarLoopResult]: At program point L969-1(lines 969 975) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse2))) [2020-07-28 19:05:11,937 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,937 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,937 INFO L268 CegarLoopResult]: For program point L904-3(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-5(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-6(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-8(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-9(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-11(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-12(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-14(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-15(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-17(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,938 INFO L268 CegarLoopResult]: For program point L904-18(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-20(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-21(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-23(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-24(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-26(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-27(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-29(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-30(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-32(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-33(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,939 INFO L268 CegarLoopResult]: For program point L904-35(lines 904 908) no Hoare annotation was computed. [2020-07-28 19:05:11,940 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and (<= 2 ~waterLevel~0) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse2) (and .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2))) [2020-07-28 19:05:11,940 INFO L264 CegarLoopResult]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2020-07-28 19:05:11,940 INFO L264 CegarLoopResult]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2020-07-28 19:05:11,940 INFO L264 CegarLoopResult]: At program point L910(lines 895 913) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,940 INFO L264 CegarLoopResult]: At program point L910-1(lines 895 913) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 (not .cse1) .cse3 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 1 ~waterLevel~0) (not .cse2) .cse4))) [2020-07-28 19:05:11,940 INFO L264 CegarLoopResult]: At program point L910-2(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-3(lines 895 913) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 (not .cse1) .cse3 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 1 ~waterLevel~0) (not .cse2) .cse4))) [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-4(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-5(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-6(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-7(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-8(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-9(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-10(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,941 INFO L264 CegarLoopResult]: At program point L910-11(lines 895 913) the Hoare annotation is: false [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846(lines 839 849) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846-1(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846-2(lines 839 849) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846-3(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846-4(lines 839 849) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846-5(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846-6(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846-7(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,942 INFO L264 CegarLoopResult]: At program point L846-8(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,943 INFO L264 CegarLoopResult]: At program point L846-9(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,943 INFO L264 CegarLoopResult]: At program point L846-10(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,943 INFO L264 CegarLoopResult]: At program point L846-11(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,943 INFO L264 CegarLoopResult]: At program point L846-12(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,943 INFO L264 CegarLoopResult]: At program point L846-13(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,943 INFO L264 CegarLoopResult]: At program point L846-14(lines 839 849) the Hoare annotation is: false [2020-07-28 19:05:11,943 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-28 19:05:11,943 INFO L264 CegarLoopResult]: At program point L979-1(lines 979 985) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse2))) [2020-07-28 19:05:11,943 INFO L268 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2020-07-28 19:05:11,943 INFO L268 CegarLoopResult]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2020-07-28 19:05:11,944 INFO L268 CegarLoopResult]: For program point L585-6(lines 585 589) no Hoare annotation was computed. [2020-07-28 19:05:11,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:05:11,944 INFO L268 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2020-07-28 19:05:11,944 INFO L268 CegarLoopResult]: For program point L785-1(lines 785 802) no Hoare annotation was computed. [2020-07-28 19:05:11,944 INFO L268 CegarLoopResult]: For program point L785-2(lines 785 802) no Hoare annotation was computed. [2020-07-28 19:05:11,944 INFO L264 CegarLoopResult]: At program point L654(lines 649 657) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2020-07-28 19:05:11,944 INFO L264 CegarLoopResult]: At program point L654-1(lines 649 657) the Hoare annotation is: false [2020-07-28 19:05:11,944 INFO L264 CegarLoopResult]: At program point L654-2(lines 649 657) the Hoare annotation is: false [2020-07-28 19:05:11,944 INFO L264 CegarLoopResult]: At program point L855(lines 850 858) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~systemActive~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0)) [2020-07-28 19:05:11,944 INFO L264 CegarLoopResult]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L789(lines 789 797) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L264 CegarLoopResult]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L789-1(lines 789 797) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L789-2(lines 789 797) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L923-5(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L923-8(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,945 INFO L268 CegarLoopResult]: For program point L923-9(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point L923-11(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point L923-12(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point L923-14(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point L923-15(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point L923-17(lines 923 927) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,946 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-2(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-3(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-4(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-5(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-6(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-7(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-8(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-9(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-10(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L662-11(lines 662 668) no Hoare annotation was computed. [2020-07-28 19:05:11,947 INFO L268 CegarLoopResult]: For program point L597(lines 597 601) no Hoare annotation was computed. [2020-07-28 19:05:11,948 INFO L264 CegarLoopResult]: At program point L532(lines 1 1014) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,948 INFO L268 CegarLoopResult]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2020-07-28 19:05:11,948 INFO L264 CegarLoopResult]: At program point L995-1(lines 701 707) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse2))) [2020-07-28 19:05:11,948 INFO L264 CegarLoopResult]: At program point L929(lines 914 932) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,948 INFO L264 CegarLoopResult]: At program point L929-1(lines 914 932) the Hoare annotation is: false [2020-07-28 19:05:11,948 INFO L264 CegarLoopResult]: At program point L929-2(lines 914 932) the Hoare annotation is: false [2020-07-28 19:05:11,948 INFO L264 CegarLoopResult]: At program point L929-3(lines 914 932) the Hoare annotation is: false [2020-07-28 19:05:11,949 INFO L264 CegarLoopResult]: At program point L929-4(lines 914 932) the Hoare annotation is: false [2020-07-28 19:05:11,949 INFO L264 CegarLoopResult]: At program point L929-5(lines 914 932) the Hoare annotation is: false [2020-07-28 19:05:11,949 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,949 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,949 INFO L264 CegarLoopResult]: At program point L667(lines 658 671) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~10) (= 1 ~waterLevel~0) (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,949 INFO L268 CegarLoopResult]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,949 INFO L264 CegarLoopResult]: At program point L667-1(lines 658 671) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) (not .cse2) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse2 .cse1 .cse3))) [2020-07-28 19:05:11,949 INFO L268 CegarLoopResult]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,949 INFO L264 CegarLoopResult]: At program point L667-2(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,949 INFO L268 CegarLoopResult]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,950 INFO L264 CegarLoopResult]: At program point L667-3(lines 658 671) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) (not .cse2) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse2 .cse1 .cse3))) [2020-07-28 19:05:11,950 INFO L268 CegarLoopResult]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,950 INFO L264 CegarLoopResult]: At program point L667-4(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,950 INFO L268 CegarLoopResult]: For program point L733-6(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,950 INFO L264 CegarLoopResult]: At program point L667-5(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,950 INFO L268 CegarLoopResult]: For program point L733-7(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,950 INFO L264 CegarLoopResult]: At program point L469(lines 465 471) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,950 INFO L264 CegarLoopResult]: At program point L667-6(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,951 INFO L268 CegarLoopResult]: For program point L733-8(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,951 INFO L264 CegarLoopResult]: At program point L667-7(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,951 INFO L268 CegarLoopResult]: For program point L733-9(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,951 INFO L264 CegarLoopResult]: At program point L667-8(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,951 INFO L268 CegarLoopResult]: For program point L733-10(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,951 INFO L264 CegarLoopResult]: At program point L667-9(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,951 INFO L268 CegarLoopResult]: For program point L733-11(lines 733 750) no Hoare annotation was computed. [2020-07-28 19:05:11,951 INFO L264 CegarLoopResult]: At program point L667-10(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,951 INFO L264 CegarLoopResult]: At program point L667-11(lines 658 671) the Hoare annotation is: false [2020-07-28 19:05:11,951 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-6(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-7(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-8(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,952 INFO L268 CegarLoopResult]: For program point L737-9(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,953 INFO L268 CegarLoopResult]: For program point L737-10(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,953 INFO L268 CegarLoopResult]: For program point L737-11(lines 737 745) no Hoare annotation was computed. [2020-07-28 19:05:11,953 INFO L264 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,953 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-28 19:05:11,953 INFO L264 CegarLoopResult]: At program point L937-1(lines 937 943) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0)) [2020-07-28 19:05:11,953 INFO L268 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-07-28 19:05:11,953 INFO L264 CegarLoopResult]: At program point L1007(lines 958 1008) the Hoare annotation is: false [2020-07-28 19:05:11,953 INFO L264 CegarLoopResult]: At program point L677(lines 672 680) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,954 INFO L264 CegarLoopResult]: At program point L677-1(lines 672 680) the Hoare annotation is: false [2020-07-28 19:05:11,954 INFO L264 CegarLoopResult]: At program point L677-2(lines 672 680) the Hoare annotation is: false [2020-07-28 19:05:11,954 INFO L264 CegarLoopResult]: At program point L677-3(lines 672 680) the Hoare annotation is: false [2020-07-28 19:05:11,954 INFO L264 CegarLoopResult]: At program point L677-4(lines 672 680) the Hoare annotation is: false [2020-07-28 19:05:11,954 INFO L264 CegarLoopResult]: At program point L677-5(lines 672 680) the Hoare annotation is: false [2020-07-28 19:05:11,954 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:05:11,954 INFO L264 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: false [2020-07-28 19:05:11,954 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-28 19:05:11,954 INFO L268 CegarLoopResult]: For program point L686(line 686) no Hoare annotation was computed. [2020-07-28 19:05:11,954 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-07-28 19:05:11,954 INFO L268 CegarLoopResult]: For program point L686-2(line 686) no Hoare annotation was computed. [2020-07-28 19:05:11,955 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-28 19:05:11,955 INFO L268 CegarLoopResult]: For program point L422-1(lines 701 707) no Hoare annotation was computed. [2020-07-28 19:05:11,955 INFO L264 CegarLoopResult]: At program point L622(lines 617 625) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,955 INFO L264 CegarLoopResult]: At program point L622-1(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,955 INFO L264 CegarLoopResult]: At program point L622-2(lines 617 625) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,955 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-07-28 19:05:11,955 INFO L264 CegarLoopResult]: At program point L622-3(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,955 INFO L264 CegarLoopResult]: At program point L556-1(lines 1 1014) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2))) [2020-07-28 19:05:11,955 INFO L264 CegarLoopResult]: At program point L622-4(lines 617 625) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:11,956 INFO L268 CegarLoopResult]: For program point L556-2(lines 556 569) no Hoare annotation was computed. [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L622-5(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L556-3(lines 1 1014) the Hoare annotation is: false [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L622-6(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,956 INFO L268 CegarLoopResult]: For program point L556-4(lines 556 569) no Hoare annotation was computed. [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L622-7(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L556-5(lines 1 1014) the Hoare annotation is: false [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L622-8(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L622-9(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L622-10(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,956 INFO L264 CegarLoopResult]: At program point L622-11(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,957 INFO L264 CegarLoopResult]: At program point L622-12(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,957 INFO L264 CegarLoopResult]: At program point L622-13(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,957 INFO L264 CegarLoopResult]: At program point L622-14(lines 617 625) the Hoare annotation is: false [2020-07-28 19:05:11,957 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:05:11,957 INFO L268 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,957 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,957 INFO L268 CegarLoopResult]: For program point L821-4(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,957 INFO L268 CegarLoopResult]: For program point L821-6(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,957 INFO L268 CegarLoopResult]: For program point L821-8(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,957 INFO L268 CegarLoopResult]: For program point L821-10(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,957 INFO L268 CegarLoopResult]: For program point L821-12(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L821-14(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L821-16(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L821-18(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L821-20(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L821-22(lines 821 827) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:05:11,958 INFO L268 CegarLoopResult]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:05:11,959 INFO L268 CegarLoopResult]: For program point L759-3(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:05:11,959 INFO L268 CegarLoopResult]: For program point L759-4(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:05:11,959 INFO L268 CegarLoopResult]: For program point L759-5(lines 759 776) no Hoare annotation was computed. [2020-07-28 19:05:11,959 INFO L268 CegarLoopResult]: For program point L496(lines 496 503) no Hoare annotation was computed. [2020-07-28 19:05:11,959 INFO L271 CegarLoopResult]: At program point L496-1(lines 496 503) the Hoare annotation is: true [2020-07-28 19:05:11,962 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:05:11,962 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:05:11,963 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 19:05:11,963 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 19:05:11,963 WARN L170 areAnnotationChecker]: L496 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L701-1 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L961 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L585-3 has no Hoare annotation [2020-07-28 19:05:11,965 WARN L170 areAnnotationChecker]: L585-3 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L785-1 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L969 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L969 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L785-1 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L785-1 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L597 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L979 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L759-3 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L759-3 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L556-2 has no Hoare annotation [2020-07-28 19:05:11,966 WARN L170 areAnnotationChecker]: L979 has no Hoare annotation [2020-07-28 19:05:11,967 WARN L170 areAnnotationChecker]: L979 has no Hoare annotation [2020-07-28 19:05:11,967 WARN L170 areAnnotationChecker]: L789-1 has no Hoare annotation [2020-07-28 19:05:11,967 WARN L170 areAnnotationChecker]: L923-9 has no Hoare annotation [2020-07-28 19:05:11,967 WARN L170 areAnnotationChecker]: L733-7 has no Hoare annotation [2020-07-28 19:05:11,967 WARN L170 areAnnotationChecker]: L733-7 has no Hoare annotation [2020-07-28 19:05:11,967 WARN L170 areAnnotationChecker]: L556-2 has no Hoare annotation [2020-07-28 19:05:11,967 WARN L170 areAnnotationChecker]: L556-2 has no Hoare annotation [2020-07-28 19:05:11,967 WARN L170 areAnnotationChecker]: L609 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L609 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L989 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L789-1 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L789-1 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L923-9 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L923-9 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L662-7 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L662-7 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L989 has no Hoare annotation [2020-07-28 19:05:11,968 WARN L170 areAnnotationChecker]: L989 has no Hoare annotation [2020-07-28 19:05:11,969 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:05:11,969 WARN L170 areAnnotationChecker]: L759-2 has no Hoare annotation [2020-07-28 19:05:11,969 WARN L170 areAnnotationChecker]: L923-11 has no Hoare annotation [2020-07-28 19:05:11,969 WARN L170 areAnnotationChecker]: L904-21 has no Hoare annotation [2020-07-28 19:05:11,969 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation [2020-07-28 19:05:11,969 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation [2020-07-28 19:05:11,969 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-28 19:05:11,969 WARN L170 areAnnotationChecker]: L585 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L995 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L995 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L923-6 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L733-5 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L733-5 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L763-3 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L904-21 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L904-21 has no Hoare annotation [2020-07-28 19:05:11,971 WARN L170 areAnnotationChecker]: L686-1 has no Hoare annotation [2020-07-28 19:05:11,972 WARN L170 areAnnotationChecker]: L686-1 has no Hoare annotation [2020-07-28 19:05:11,972 WARN L170 areAnnotationChecker]: L419 has no Hoare annotation [2020-07-28 19:05:11,972 WARN L170 areAnnotationChecker]: L585 has no Hoare annotation [2020-07-28 19:05:11,972 WARN L170 areAnnotationChecker]: L585 has no Hoare annotation [2020-07-28 19:05:11,972 WARN L170 areAnnotationChecker]: L785 has no Hoare annotation [2020-07-28 19:05:11,973 WARN L170 areAnnotationChecker]: L937 has no Hoare annotation [2020-07-28 19:05:11,973 WARN L170 areAnnotationChecker]: L937 has no Hoare annotation [2020-07-28 19:05:11,973 WARN L170 areAnnotationChecker]: L923-6 has no Hoare annotation [2020-07-28 19:05:11,973 WARN L170 areAnnotationChecker]: L923-6 has no Hoare annotation [2020-07-28 19:05:11,973 WARN L170 areAnnotationChecker]: L662-5 has no Hoare annotation [2020-07-28 19:05:11,974 WARN L170 areAnnotationChecker]: L662-5 has no Hoare annotation [2020-07-28 19:05:11,974 WARN L170 areAnnotationChecker]: L763-3 has no Hoare annotation [2020-07-28 19:05:11,974 WARN L170 areAnnotationChecker]: L763-3 has no Hoare annotation [2020-07-28 19:05:11,974 WARN L170 areAnnotationChecker]: L904-23 has no Hoare annotation [2020-07-28 19:05:11,974 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 19:05:11,974 WARN L170 areAnnotationChecker]: L422 has no Hoare annotation [2020-07-28 19:05:11,974 WARN L170 areAnnotationChecker]: L785 has no Hoare annotation [2020-07-28 19:05:11,974 WARN L170 areAnnotationChecker]: L785 has no Hoare annotation [2020-07-28 19:05:11,975 WARN L170 areAnnotationChecker]: L923-8 has no Hoare annotation [2020-07-28 19:05:11,975 WARN L170 areAnnotationChecker]: L904-15 has no Hoare annotation [2020-07-28 19:05:11,975 WARN L170 areAnnotationChecker]: L733-6 has no Hoare annotation [2020-07-28 19:05:11,975 WARN L170 areAnnotationChecker]: L733-6 has no Hoare annotation [2020-07-28 19:05:11,976 WARN L170 areAnnotationChecker]: L737-7 has no Hoare annotation [2020-07-28 19:05:11,976 WARN L170 areAnnotationChecker]: L422-1 has no Hoare annotation [2020-07-28 19:05:11,976 WARN L170 areAnnotationChecker]: L422-1 has no Hoare annotation [2020-07-28 19:05:11,976 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:05:11,976 WARN L170 areAnnotationChecker]: L759-1 has no Hoare annotation [2020-07-28 19:05:11,976 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 19:05:11,976 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:05:11,977 WARN L170 areAnnotationChecker]: L904-15 has no Hoare annotation [2020-07-28 19:05:11,977 WARN L170 areAnnotationChecker]: L904-15 has no Hoare annotation [2020-07-28 19:05:11,977 WARN L170 areAnnotationChecker]: L662-6 has no Hoare annotation [2020-07-28 19:05:11,977 WARN L170 areAnnotationChecker]: L662-6 has no Hoare annotation [2020-07-28 19:05:11,977 WARN L170 areAnnotationChecker]: L737-7 has no Hoare annotation [2020-07-28 19:05:11,977 WARN L170 areAnnotationChecker]: L737-7 has no Hoare annotation [2020-07-28 19:05:11,977 WARN L170 areAnnotationChecker]: L585-6 has no Hoare annotation [2020-07-28 19:05:11,977 WARN L170 areAnnotationChecker]: L585-6 has no Hoare annotation [2020-07-28 19:05:11,978 WARN L170 areAnnotationChecker]: L785-2 has no Hoare annotation [2020-07-28 19:05:11,978 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-28 19:05:11,978 WARN L170 areAnnotationChecker]: L923-3 has no Hoare annotation [2020-07-28 19:05:11,978 WARN L170 areAnnotationChecker]: L733-3 has no Hoare annotation [2020-07-28 19:05:11,978 WARN L170 areAnnotationChecker]: L733-3 has no Hoare annotation [2020-07-28 19:05:11,978 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 19:05:11,978 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-28 19:05:11,979 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:05:11,979 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:05:11,979 WARN L170 areAnnotationChecker]: L904-17 has no Hoare annotation [2020-07-28 19:05:11,979 WARN L170 areAnnotationChecker]: L904-18 has no Hoare annotation [2020-07-28 19:05:11,979 WARN L170 areAnnotationChecker]: L785-2 has no Hoare annotation [2020-07-28 19:05:11,979 WARN L170 areAnnotationChecker]: L785-2 has no Hoare annotation [2020-07-28 19:05:11,979 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L923-3 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L923-3 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L662-3 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L662-3 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L733-4 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L733-4 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L904-18 has no Hoare annotation [2020-07-28 19:05:11,980 WARN L170 areAnnotationChecker]: L904-18 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L821-14 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L759-5 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L759-5 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L556-4 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L923-5 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L904-9 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L662-4 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L662-4 has no Hoare annotation [2020-07-28 19:05:11,981 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L737-5 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L904-20 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L821-14 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L821-14 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L789-2 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L923-15 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L733-11 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L733-11 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L556-4 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L556-4 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L923 has no Hoare annotation [2020-07-28 19:05:11,982 WARN L170 areAnnotationChecker]: L733-1 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L733-1 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L904-9 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L904-9 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L686 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L686 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L904-12 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L737-6 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L789-2 has no Hoare annotation [2020-07-28 19:05:11,983 WARN L170 areAnnotationChecker]: L789-2 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L923-15 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L923-15 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L662-11 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L662-11 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L560-4 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L923 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L923 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L662-1 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L662-1 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:05:11,984 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L904-11 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L904-12 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L904-12 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L821-10 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L737-6 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L737-6 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L759-4 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L759-4 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L923-17 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L904-33 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L560-4 has no Hoare annotation [2020-07-28 19:05:11,985 WARN L170 areAnnotationChecker]: L560-4 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L923-2 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L904-3 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L733-2 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L733-2 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L904-14 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L821-10 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L821-10 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L923-12 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L733-9 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L733-9 has no Hoare annotation [2020-07-28 19:05:11,986 WARN L170 areAnnotationChecker]: L763-5 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L904-33 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L904-33 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L686-2 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L686-2 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L904-3 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L904-3 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L662-2 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L662-2 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L737-3 has no Hoare annotation [2020-07-28 19:05:11,987 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L821-12 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L923-12 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L923-12 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L662-9 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L662-9 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L763-5 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L763-5 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L904-35 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L904-5 has no Hoare annotation [2020-07-28 19:05:11,988 WARN L170 areAnnotationChecker]: L904-6 has no Hoare annotation [2020-07-28 19:05:11,989 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:05:11,989 WARN L170 areAnnotationChecker]: L737-4 has no Hoare annotation [2020-07-28 19:05:11,989 WARN L170 areAnnotationChecker]: L821-12 has no Hoare annotation [2020-07-28 19:05:11,989 WARN L170 areAnnotationChecker]: L821-12 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L923-14 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L904-27 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L733-10 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L733-10 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L737-11 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L904-6 has no Hoare annotation [2020-07-28 19:05:11,990 WARN L170 areAnnotationChecker]: L904-6 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L821-6 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L763-4 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L904-27 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L904-27 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L662-10 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L662-10 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L737-11 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L737-11 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:05:11,991 WARN L170 areAnnotationChecker]: L737-1 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L904-8 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L821-6 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L821-6 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L821-8 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L763-4 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L763-4 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L904-29 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L904-30 has no Hoare annotation [2020-07-28 19:05:11,992 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-28 19:05:11,993 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:05:11,993 WARN L170 areAnnotationChecker]: L821-8 has no Hoare annotation [2020-07-28 19:05:11,993 WARN L170 areAnnotationChecker]: L821-8 has no Hoare annotation [2020-07-28 19:05:11,993 WARN L170 areAnnotationChecker]: L733-8 has no Hoare annotation [2020-07-28 19:05:11,993 WARN L170 areAnnotationChecker]: L733-8 has no Hoare annotation [2020-07-28 19:05:11,993 WARN L170 areAnnotationChecker]: L737-9 has no Hoare annotation [2020-07-28 19:05:11,993 WARN L170 areAnnotationChecker]: L904-30 has no Hoare annotation [2020-07-28 19:05:11,993 WARN L170 areAnnotationChecker]: L904-30 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L821-22 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L821-2 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L737-2 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L662-8 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L662-8 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L737-9 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L737-9 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L904-32 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L821-22 has no Hoare annotation [2020-07-28 19:05:11,994 WARN L170 areAnnotationChecker]: L821-22 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L904-2 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L821-2 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L821-2 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L904-24 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L737-10 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L821-4 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L904-24 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L904-24 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L821-18 has no Hoare annotation [2020-07-28 19:05:11,995 WARN L170 areAnnotationChecker]: L737-10 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L737-10 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L821-4 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L821-4 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L904-26 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L821-18 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L821-18 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L737-8 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L821-20 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 19:05:11,996 WARN L170 areAnnotationChecker]: L737-8 has no Hoare annotation [2020-07-28 19:05:11,997 WARN L170 areAnnotationChecker]: L737-8 has no Hoare annotation [2020-07-28 19:05:11,997 WARN L170 areAnnotationChecker]: L821-20 has no Hoare annotation [2020-07-28 19:05:11,997 WARN L170 areAnnotationChecker]: L821-20 has no Hoare annotation [2020-07-28 19:05:11,997 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 19:05:11,997 WARN L170 areAnnotationChecker]: L821 has no Hoare annotation [2020-07-28 19:05:11,997 WARN L170 areAnnotationChecker]: L821-16 has no Hoare annotation [2020-07-28 19:05:11,997 WARN L170 areAnnotationChecker]: L821-16 has no Hoare annotation [2020-07-28 19:05:11,997 WARN L170 areAnnotationChecker]: L821-16 has no Hoare annotation [2020-07-28 19:05:11,997 INFO L163 areAnnotationChecker]: CFG has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:05:12,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:05:12 BoogieIcfgContainer [2020-07-28 19:05:12,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:05:12,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:05:12,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:05:12,031 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:05:12,032 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:30" (3/4) ... [2020-07-28 19:05:12,036 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:05:12,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:05:12,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:05:12,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:05:12,072 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:05:12,074 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:05:12,076 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:12,078 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:12,117 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((1 <= tmp && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || ((((((2 <= waterLevel && 2 <= tmp) && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 2 <= \result) && 1 == systemActive) [2020-07-28 19:05:12,119 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 1 == systemActive)) || (((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:12,121 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((0 == splverifierCounter && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 2 <= \result) && 1 == systemActive) [2020-07-28 19:05:12,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == systemActive) && 0 == \result) && 0 == pumpRunning [2020-07-28 19:05:12,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:12,126 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((((0 == tmp___0 && 0 == splverifierCounter) && !(0 == tmp)) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) [2020-07-28 19:05:12,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive [2020-07-28 19:05:12,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) [2020-07-28 19:05:12,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive [2020-07-28 19:05:12,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:12,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((((0 == tmp___0 && 0 == splverifierCounter) && !(0 == tmp)) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) [2020-07-28 19:05:12,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:12,131 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive [2020-07-28 19:05:12,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:12,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:05:12,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == \result && 0 == tmp___0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive [2020-07-28 19:05:12,269 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:05:12,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:05:12,272 INFO L168 Benchmark]: Toolchain (without parser) took 45148.17 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 692.6 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -59.3 MB). Peak memory consumption was 633.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:12,272 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:12,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:12,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.86 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:12,273 INFO L168 Benchmark]: Boogie Preprocessor took 146.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:12,274 INFO L168 Benchmark]: RCFGBuilder took 2463.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.1 MB in the end (delta: 268.3 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:12,275 INFO L168 Benchmark]: TraceAbstraction took 41423.44 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 541.1 MB). Free memory was 834.1 MB in the beginning and 1.0 GB in the end (delta: -211.5 MB). Peak memory consumption was 329.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:12,275 INFO L168 Benchmark]: Witness Printer took 238.77 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:12,278 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 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 737.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.86 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 146.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2463.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 834.1 MB in the end (delta: 268.3 MB). Peak memory consumption was 268.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41423.44 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 541.1 MB). Free memory was 834.1 MB in the beginning and 1.0 GB in the end (delta: -211.5 MB). Peak memory consumption was 329.6 MB. Max. memory is 11.5 GB. * Witness Printer took 238.77 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 686]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 686]: 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: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((0 == splverifierCounter && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 2 <= \result) && 1 == systemActive) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((((((((0 == \result && 0 == tmp___0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((((0 == tmp___0 && 0 == splverifierCounter) && !(0 == tmp)) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == systemActive) && 0 == \result) && 0 == pumpRunning - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) || (((((((0 == tmp___0 && 0 == splverifierCounter) && !(0 == tmp)) && 0 == pumpRunning) && 0 == \result) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 1 <= waterLevel) && 1 == systemActive - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (((((0 == \result && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == tmp) && 1 <= tmp___0) && 1 == systemActive - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || (((((1 <= tmp && 0 == splverifierCounter) && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive)) || ((((((2 <= waterLevel && 2 <= tmp) && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 2 <= \result) && 1 == systemActive) - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 == splverifierCounter && 0 == pumpRunning - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((0 == \result && 0 == splverifierCounter) && 1 <= waterLevel) && 1 == systemActive - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 1 <= waterLevel) && 1 == systemActive - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (((((0 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && 0 == tmp) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && !(0 == \result)) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((((2 <= waterLevel && 0 == splverifierCounter) && 0 == tmp) && 0 == \result) && 1 == systemActive)) || (((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || ((0 == splverifierCounter && 1 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive)) || ((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 36.1s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 25.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2440 SDtfs, 2773 SDslu, 3554 SDs, 0 SdLazy, 516 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 326 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 1678 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 92 PreInvPairs, 225 NumberOfFragments, 739 HoareAnnotationTreeSize, 92 FomulaSimplifications, 638715 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 92 FomulaSimplificationsInter, 28870 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 865 NumberOfCodeBlocks, 865 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 847 ConstructedInterpolants, 0 QuantifiedInterpolants, 89671 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1449 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 253/281 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...