./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product61.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_product61.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 62215579489c65348c20dcb35d4d11bc17ff5b74 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:04:17,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:04:17,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:04:17,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:04:17,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:04:17,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:04:17,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:04:17,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:04:17,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:04:17,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:04:17,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:04:17,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:04:17,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:04:17,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:04:17,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:04:17,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:04:17,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:04:17,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:04:17,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:04:17,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:04:17,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:04:17,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:04:17,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:04:17,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:04:17,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:04:17,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:04:17,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:04:17,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:04:17,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:04:17,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:04:17,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:04:17,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:04:17,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:04:17,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:04:17,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:04:17,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:04:17,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:04:17,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:04:17,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:04:17,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:04:17,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:04:17,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:04:17,479 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:04:17,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:04:17,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:04:17,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:04:17,481 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:04:17,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:04:17,481 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:04:17,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:04:17,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:04:17,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:04:17,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:04:17,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:04:17,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:04:17,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:04:17,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:04:17,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:04:17,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:04:17,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:04:17,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:04:17,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:04:17,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:04:17,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:04:17,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:04:17,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:04:17,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:04:17,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:04:17,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:04:17,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:04:17,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:04:17,486 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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2020-07-28 19:04:17,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:04:17,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:04:17,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:04:17,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:04:17,818 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:04:17,818 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2020-07-28 19:04:17,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd73e7d8/787dc6bd9c944248bdffa79ee977a01a/FLAG80d172b6b [2020-07-28 19:04:18,399 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:04:18,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2020-07-28 19:04:18,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd73e7d8/787dc6bd9c944248bdffa79ee977a01a/FLAG80d172b6b [2020-07-28 19:04:18,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd73e7d8/787dc6bd9c944248bdffa79ee977a01a [2020-07-28 19:04:18,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:04:18,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:04:18,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:04:18,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:04:18,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:04:18,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:04:18" (1/1) ... [2020-07-28 19:04:18,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698f9d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:18, skipping insertion in model container [2020-07-28 19:04:18,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:04:18" (1/1) ... [2020-07-28 19:04:18,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:04:18,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:04:19,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:04:19,295 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:04:19,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:04:19,500 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:04:19,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19 WrapperNode [2020-07-28 19:04:19,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:04:19,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:04:19,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:04:19,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:04:19,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:04:19,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:04:19,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:04:19,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:04:19,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (1/1) ... [2020-07-28 19:04:19,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:04:19,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:04:19,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:04:19,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:04:19,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (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 19:04:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:04:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:04:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:04:19,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:04:22,195 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:04:22,195 INFO L295 CfgBuilder]: Removed 348 assume(true) statements. [2020-07-28 19:04:22,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:22 BoogieIcfgContainer [2020-07-28 19:04:22,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:04:22,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:04:22,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:04:22,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:04:22,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:04:18" (1/3) ... [2020-07-28 19:04:22,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f02fddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:04:22, skipping insertion in model container [2020-07-28 19:04:22,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:04:19" (2/3) ... [2020-07-28 19:04:22,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f02fddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:04:22, skipping insertion in model container [2020-07-28 19:04:22,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:22" (3/3) ... [2020-07-28 19:04:22,212 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2020-07-28 19:04:22,224 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:04:22,233 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:04:22,249 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:04:22,278 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:04:22,278 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:04:22,278 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:04:22,278 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:04:22,278 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:04:22,279 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:04:22,279 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:04:22,279 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:04:22,302 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states. [2020-07-28 19:04:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:04:22,311 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:22,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:22,313 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:22,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:22,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1538221509, now seen corresponding path program 1 times [2020-07-28 19:04:22,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:22,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847670489] [2020-07-28 19:04:22,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:22,700 INFO L280 TraceCheckUtils]: 0: Hoare triple {228#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {228#true} is VALID [2020-07-28 19:04:22,701 INFO L280 TraceCheckUtils]: 1: Hoare triple {228#true} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {228#true} is VALID [2020-07-28 19:04:22,701 INFO L280 TraceCheckUtils]: 2: Hoare triple {228#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {228#true} is VALID [2020-07-28 19:04:22,702 INFO L280 TraceCheckUtils]: 3: Hoare triple {228#true} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {228#true} is VALID [2020-07-28 19:04:22,702 INFO L280 TraceCheckUtils]: 4: Hoare triple {228#true} assume 0 != main_~tmp~11; {228#true} is VALID [2020-07-28 19:04:22,702 INFO L280 TraceCheckUtils]: 5: Hoare triple {228#true} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {228#true} is VALID [2020-07-28 19:04:22,710 INFO L280 TraceCheckUtils]: 6: Hoare triple {228#true} assume !true; {229#false} is VALID [2020-07-28 19:04:22,710 INFO L280 TraceCheckUtils]: 7: Hoare triple {229#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {229#false} is VALID [2020-07-28 19:04:22,710 INFO L280 TraceCheckUtils]: 8: Hoare triple {229#false} assume !(0 != ~pumpRunning~0); {229#false} is VALID [2020-07-28 19:04:22,711 INFO L280 TraceCheckUtils]: 9: Hoare triple {229#false} assume !(0 != ~systemActive~0); {229#false} is VALID [2020-07-28 19:04:22,711 INFO L280 TraceCheckUtils]: 10: Hoare triple {229#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {229#false} is VALID [2020-07-28 19:04:22,711 INFO L280 TraceCheckUtils]: 11: Hoare triple {229#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {229#false} is VALID [2020-07-28 19:04:22,712 INFO L280 TraceCheckUtils]: 12: Hoare triple {229#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {229#false} is VALID [2020-07-28 19:04:22,712 INFO L280 TraceCheckUtils]: 13: Hoare triple {229#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {229#false} is VALID [2020-07-28 19:04:22,713 INFO L280 TraceCheckUtils]: 14: Hoare triple {229#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {229#false} is VALID [2020-07-28 19:04:22,713 INFO L280 TraceCheckUtils]: 15: Hoare triple {229#false} assume !false; {229#false} is VALID [2020-07-28 19:04:22,718 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 19:04:22,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847670489] [2020-07-28 19:04:22,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:22,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:22,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502445205] [2020-07-28 19:04:22,728 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:04:22,731 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:22,735 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:04:22,789 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 19:04:22,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:04:22,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:22,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:04:22,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:04:22,804 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 2 states. [2020-07-28 19:04:23,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:23,304 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2020-07-28 19:04:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:04:23,304 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:04:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:04:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 665 transitions. [2020-07-28 19:04:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:04:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 665 transitions. [2020-07-28 19:04:23,331 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 665 transitions. [2020-07-28 19:04:24,148 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 665 edges. 665 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:24,174 INFO L225 Difference]: With dead ends: 444 [2020-07-28 19:04:24,174 INFO L226 Difference]: Without dead ends: 221 [2020-07-28 19:04:24,180 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 19:04:24,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-28 19:04:24,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-07-28 19:04:24,269 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:24,269 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states. Second operand 221 states. [2020-07-28 19:04:24,270 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 221 states. [2020-07-28 19:04:24,270 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 221 states. [2020-07-28 19:04:24,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:24,284 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2020-07-28 19:04:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2020-07-28 19:04:24,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:24,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:24,287 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states. Second operand 221 states. [2020-07-28 19:04:24,287 INFO L87 Difference]: Start difference. First operand 221 states. Second operand 221 states. [2020-07-28 19:04:24,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:24,299 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2020-07-28 19:04:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2020-07-28 19:04:24,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:24,302 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:24,302 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:24,302 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:24,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-28 19:04:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2020-07-28 19:04:24,315 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2020-07-28 19:04:24,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:24,316 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2020-07-28 19:04:24,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:04:24,316 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2020-07-28 19:04:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:04:24,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:24,318 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 19:04:24,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:04:24,318 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:24,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:24,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1505952337, now seen corresponding path program 1 times [2020-07-28 19:04:24,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:24,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143084329] [2020-07-28 19:04:24,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:24,467 INFO L280 TraceCheckUtils]: 0: Hoare triple {1604#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {1604#true} is VALID [2020-07-28 19:04:24,467 INFO L280 TraceCheckUtils]: 1: Hoare triple {1604#true} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {1604#true} is VALID [2020-07-28 19:04:24,468 INFO L280 TraceCheckUtils]: 2: Hoare triple {1604#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {1604#true} is VALID [2020-07-28 19:04:24,468 INFO L280 TraceCheckUtils]: 3: Hoare triple {1604#true} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {1604#true} is VALID [2020-07-28 19:04:24,468 INFO L280 TraceCheckUtils]: 4: Hoare triple {1604#true} assume 0 != main_~tmp~11; {1604#true} is VALID [2020-07-28 19:04:24,469 INFO L280 TraceCheckUtils]: 5: Hoare triple {1604#true} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1606#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:04:24,470 INFO L280 TraceCheckUtils]: 6: Hoare triple {1606#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {1606#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:04:24,471 INFO L280 TraceCheckUtils]: 7: Hoare triple {1606#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {1605#false} is VALID [2020-07-28 19:04:24,471 INFO L280 TraceCheckUtils]: 8: Hoare triple {1605#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {1605#false} is VALID [2020-07-28 19:04:24,471 INFO L280 TraceCheckUtils]: 9: Hoare triple {1605#false} assume !(0 != ~pumpRunning~0); {1605#false} is VALID [2020-07-28 19:04:24,471 INFO L280 TraceCheckUtils]: 10: Hoare triple {1605#false} assume !(0 != ~systemActive~0); {1605#false} is VALID [2020-07-28 19:04:24,472 INFO L280 TraceCheckUtils]: 11: Hoare triple {1605#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {1605#false} is VALID [2020-07-28 19:04:24,472 INFO L280 TraceCheckUtils]: 12: Hoare triple {1605#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {1605#false} is VALID [2020-07-28 19:04:24,472 INFO L280 TraceCheckUtils]: 13: Hoare triple {1605#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {1605#false} is VALID [2020-07-28 19:04:24,473 INFO L280 TraceCheckUtils]: 14: Hoare triple {1605#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {1605#false} is VALID [2020-07-28 19:04:24,473 INFO L280 TraceCheckUtils]: 15: Hoare triple {1605#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {1605#false} is VALID [2020-07-28 19:04:24,473 INFO L280 TraceCheckUtils]: 16: Hoare triple {1605#false} assume !false; {1605#false} is VALID [2020-07-28 19:04:24,475 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 19:04:24,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143084329] [2020-07-28 19:04:24,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:24,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:04:24,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104628314] [2020-07-28 19:04:24,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:04:24,477 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:24,478 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:24,503 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 19:04:24,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:24,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:24,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:24,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:24,504 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 3 states. [2020-07-28 19:04:24,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:24,809 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2020-07-28 19:04:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:24,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:04:24,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2020-07-28 19:04:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:24,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2020-07-28 19:04:24,820 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 324 transitions. [2020-07-28 19:04:25,185 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 324 edges. 324 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:25,189 INFO L225 Difference]: With dead ends: 221 [2020-07-28 19:04:25,189 INFO L226 Difference]: Without dead ends: 83 [2020-07-28 19:04:25,190 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 19:04:25,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-28 19:04:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-07-28 19:04:25,223 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:25,223 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:25,224 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:25,224 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:25,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:25,228 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-07-28 19:04:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2020-07-28 19:04:25,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:25,229 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:25,229 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:25,230 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:25,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:25,233 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2020-07-28 19:04:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2020-07-28 19:04:25,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:25,234 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:25,234 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:25,234 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-07-28 19:04:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2020-07-28 19:04:25,238 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2020-07-28 19:04:25,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:25,238 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2020-07-28 19:04:25,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2020-07-28 19:04:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:04:25,239 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:25,239 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 19:04:25,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:04:25,240 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:25,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:25,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1849279646, now seen corresponding path program 1 times [2020-07-28 19:04:25,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:25,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066484699] [2020-07-28 19:04:25,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:25,396 INFO L280 TraceCheckUtils]: 0: Hoare triple {2199#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {2201#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:25,397 INFO L280 TraceCheckUtils]: 1: Hoare triple {2201#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {2201#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:04:25,398 INFO L280 TraceCheckUtils]: 2: Hoare triple {2201#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2202#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-28 19:04:25,398 INFO L280 TraceCheckUtils]: 3: Hoare triple {2202#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {2203#(= ULTIMATE.start_main_~tmp~11 ~systemActive~0)} is VALID [2020-07-28 19:04:25,399 INFO L280 TraceCheckUtils]: 4: Hoare triple {2203#(= ULTIMATE.start_main_~tmp~11 ~systemActive~0)} assume 0 != main_~tmp~11; {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,400 INFO L280 TraceCheckUtils]: 5: Hoare triple {2204#(not (= 0 ~systemActive~0))} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,401 INFO L280 TraceCheckUtils]: 6: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume !false; {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,401 INFO L280 TraceCheckUtils]: 7: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,402 INFO L280 TraceCheckUtils]: 8: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,403 INFO L280 TraceCheckUtils]: 9: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~6); {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,404 INFO L280 TraceCheckUtils]: 10: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,408 INFO L280 TraceCheckUtils]: 11: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~2); {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,409 INFO L280 TraceCheckUtils]: 12: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,409 INFO L280 TraceCheckUtils]: 13: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,410 INFO L280 TraceCheckUtils]: 14: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {2204#(not (= 0 ~systemActive~0))} is VALID [2020-07-28 19:04:25,411 INFO L280 TraceCheckUtils]: 15: Hoare triple {2204#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {2200#false} is VALID [2020-07-28 19:04:25,412 INFO L280 TraceCheckUtils]: 16: Hoare triple {2200#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {2200#false} is VALID [2020-07-28 19:04:25,412 INFO L280 TraceCheckUtils]: 17: Hoare triple {2200#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {2200#false} is VALID [2020-07-28 19:04:25,412 INFO L280 TraceCheckUtils]: 18: Hoare triple {2200#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {2200#false} is VALID [2020-07-28 19:04:25,413 INFO L280 TraceCheckUtils]: 19: Hoare triple {2200#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {2200#false} is VALID [2020-07-28 19:04:25,413 INFO L280 TraceCheckUtils]: 20: Hoare triple {2200#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {2200#false} is VALID [2020-07-28 19:04:25,413 INFO L280 TraceCheckUtils]: 21: Hoare triple {2200#false} assume !false; {2200#false} is VALID [2020-07-28 19:04:25,417 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 19:04:25,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066484699] [2020-07-28 19:04:25,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:25,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:25,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563880512] [2020-07-28 19:04:25,419 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:04:25,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:25,420 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:25,459 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 19:04:25,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:25,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:25,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:25,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:25,461 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 6 states. [2020-07-28 19:04:26,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:26,068 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2020-07-28 19:04:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:04:26,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-07-28 19:04:26,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:26,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 236 transitions. [2020-07-28 19:04:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 236 transitions. [2020-07-28 19:04:26,075 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 236 transitions. [2020-07-28 19:04:26,314 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:26,316 INFO L225 Difference]: With dead ends: 160 [2020-07-28 19:04:26,316 INFO L226 Difference]: Without dead ends: 83 [2020-07-28 19:04:26,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:04:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-07-28 19:04:26,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-07-28 19:04:26,380 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:26,380 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:26,380 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:26,380 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:26,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:26,384 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2020-07-28 19:04:26,384 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-07-28 19:04:26,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:26,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:26,385 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:26,385 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 83 states. [2020-07-28 19:04:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:26,388 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2020-07-28 19:04:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-07-28 19:04:26,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:26,389 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:26,389 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:26,389 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-07-28 19:04:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2020-07-28 19:04:26,393 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2020-07-28 19:04:26,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:26,393 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2020-07-28 19:04:26,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-07-28 19:04:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:04:26,394 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:26,394 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 19:04:26,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:04:26,395 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:26,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:26,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1583482167, now seen corresponding path program 1 times [2020-07-28 19:04:26,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:26,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808614916] [2020-07-28 19:04:26,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:26,474 INFO L280 TraceCheckUtils]: 0: Hoare triple {2713#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,475 INFO L280 TraceCheckUtils]: 1: Hoare triple {2715#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,475 INFO L280 TraceCheckUtils]: 2: Hoare triple {2715#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,476 INFO L280 TraceCheckUtils]: 3: Hoare triple {2715#(= 0 ~pumpRunning~0)} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,477 INFO L280 TraceCheckUtils]: 4: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~11; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,477 INFO L280 TraceCheckUtils]: 5: Hoare triple {2715#(= 0 ~pumpRunning~0)} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,478 INFO L280 TraceCheckUtils]: 6: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume !false; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,479 INFO L280 TraceCheckUtils]: 7: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,479 INFO L280 TraceCheckUtils]: 8: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,480 INFO L280 TraceCheckUtils]: 9: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~6); {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,480 INFO L280 TraceCheckUtils]: 10: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,481 INFO L280 TraceCheckUtils]: 11: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~2); {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,482 INFO L280 TraceCheckUtils]: 12: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,482 INFO L280 TraceCheckUtils]: 13: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,483 INFO L280 TraceCheckUtils]: 14: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,483 INFO L280 TraceCheckUtils]: 15: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,484 INFO L280 TraceCheckUtils]: 16: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,485 INFO L280 TraceCheckUtils]: 17: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {2715#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:26,485 INFO L280 TraceCheckUtils]: 18: Hoare triple {2715#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {2714#false} is VALID [2020-07-28 19:04:26,486 INFO L280 TraceCheckUtils]: 19: Hoare triple {2714#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {2714#false} is VALID [2020-07-28 19:04:26,486 INFO L280 TraceCheckUtils]: 20: Hoare triple {2714#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {2714#false} is VALID [2020-07-28 19:04:26,486 INFO L280 TraceCheckUtils]: 21: Hoare triple {2714#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {2714#false} is VALID [2020-07-28 19:04:26,486 INFO L280 TraceCheckUtils]: 22: Hoare triple {2714#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {2714#false} is VALID [2020-07-28 19:04:26,487 INFO L280 TraceCheckUtils]: 23: Hoare triple {2714#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {2714#false} is VALID [2020-07-28 19:04:26,487 INFO L280 TraceCheckUtils]: 24: Hoare triple {2714#false} assume !false; {2714#false} is VALID [2020-07-28 19:04:26,488 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 19:04:26,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808614916] [2020-07-28 19:04:26,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:26,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:04:26,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240837808] [2020-07-28 19:04:26,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:04:26,490 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:26,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:04:26,526 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 19:04:26,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:04:26,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:26,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:04:26,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:04:26,527 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 3 states. [2020-07-28 19:04:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:26,845 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2020-07-28 19:04:26,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:04:26,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:04:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:26,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2020-07-28 19:04:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:04:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2020-07-28 19:04:26,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 242 transitions. [2020-07-28 19:04:27,093 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 242 edges. 242 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:27,098 INFO L225 Difference]: With dead ends: 166 [2020-07-28 19:04:27,098 INFO L226 Difference]: Without dead ends: 89 [2020-07-28 19:04:27,099 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 19:04:27,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-28 19:04:27,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-07-28 19:04:27,191 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:27,191 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand 87 states. [2020-07-28 19:04:27,191 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand 87 states. [2020-07-28 19:04:27,191 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 87 states. [2020-07-28 19:04:27,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:27,195 INFO L93 Difference]: Finished difference Result 89 states and 123 transitions. [2020-07-28 19:04:27,196 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2020-07-28 19:04:27,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:27,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:27,198 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 89 states. [2020-07-28 19:04:27,198 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 89 states. [2020-07-28 19:04:27,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:27,202 INFO L93 Difference]: Finished difference Result 89 states and 123 transitions. [2020-07-28 19:04:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2020-07-28 19:04:27,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:27,203 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:27,204 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:27,204 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-28 19:04:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-07-28 19:04:27,208 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2020-07-28 19:04:27,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:27,208 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-07-28 19:04:27,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:04:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-07-28 19:04:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-28 19:04:27,210 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:27,210 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] [2020-07-28 19:04:27,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:04:27,211 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:27,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:27,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1877204683, now seen corresponding path program 1 times [2020-07-28 19:04:27,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:27,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654139978] [2020-07-28 19:04:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:27,396 INFO L280 TraceCheckUtils]: 0: Hoare triple {3244#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {3246#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:27,397 INFO L280 TraceCheckUtils]: 1: Hoare triple {3246#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {3246#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:27,398 INFO L280 TraceCheckUtils]: 2: Hoare triple {3246#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {3247#(= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)} is VALID [2020-07-28 19:04:27,399 INFO L280 TraceCheckUtils]: 3: Hoare triple {3247#(= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {3248#(= ULTIMATE.start_main_~tmp~11 ~waterLevel~0)} is VALID [2020-07-28 19:04:27,399 INFO L280 TraceCheckUtils]: 4: Hoare triple {3248#(= ULTIMATE.start_main_~tmp~11 ~waterLevel~0)} assume 0 != main_~tmp~11; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,400 INFO L280 TraceCheckUtils]: 5: Hoare triple {3249#(not (= 0 ~waterLevel~0))} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,400 INFO L280 TraceCheckUtils]: 6: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume !false; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,401 INFO L280 TraceCheckUtils]: 7: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume test_~splverifierCounter~0 < 4; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,401 INFO L280 TraceCheckUtils]: 8: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,402 INFO L280 TraceCheckUtils]: 9: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume !(0 != test_~tmp~6); {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,405 INFO L280 TraceCheckUtils]: 10: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,406 INFO L280 TraceCheckUtils]: 11: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume !(0 != test_~tmp___0~2); {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,408 INFO L280 TraceCheckUtils]: 12: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,410 INFO L280 TraceCheckUtils]: 13: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume 0 != test_~tmp___2~0; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,410 INFO L280 TraceCheckUtils]: 14: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,411 INFO L280 TraceCheckUtils]: 15: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,411 INFO L280 TraceCheckUtils]: 16: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,412 INFO L280 TraceCheckUtils]: 17: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,412 INFO L280 TraceCheckUtils]: 18: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,413 INFO L280 TraceCheckUtils]: 19: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,413 INFO L280 TraceCheckUtils]: 20: Hoare triple {3249#(not (= 0 ~waterLevel~0))} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,414 INFO L280 TraceCheckUtils]: 21: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,414 INFO L280 TraceCheckUtils]: 22: Hoare triple {3249#(not (= 0 ~waterLevel~0))} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,419 INFO L280 TraceCheckUtils]: 23: Hoare triple {3249#(not (= 0 ~waterLevel~0))} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,422 INFO L280 TraceCheckUtils]: 24: Hoare triple {3249#(not (= 0 ~waterLevel~0))} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); {3249#(not (= 0 ~waterLevel~0))} is VALID [2020-07-28 19:04:27,428 INFO L280 TraceCheckUtils]: 25: Hoare triple {3249#(not (= 0 ~waterLevel~0))} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {3250#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} is VALID [2020-07-28 19:04:27,430 INFO L280 TraceCheckUtils]: 26: Hoare triple {3250#(not (= 0 |ULTIMATE.start_getWaterLevel_#res|))} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {3251#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7))} is VALID [2020-07-28 19:04:27,435 INFO L280 TraceCheckUtils]: 27: Hoare triple {3251#(not (= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7))} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {3245#false} is VALID [2020-07-28 19:04:27,436 INFO L280 TraceCheckUtils]: 28: Hoare triple {3245#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {3245#false} is VALID [2020-07-28 19:04:27,436 INFO L280 TraceCheckUtils]: 29: Hoare triple {3245#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {3245#false} is VALID [2020-07-28 19:04:27,436 INFO L280 TraceCheckUtils]: 30: Hoare triple {3245#false} assume !false; {3245#false} is VALID [2020-07-28 19:04:27,438 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 19:04:27,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654139978] [2020-07-28 19:04:27,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:27,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-28 19:04:27,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842379149] [2020-07-28 19:04:27,440 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-07-28 19:04:27,441 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:27,441 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-28 19:04:27,484 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:27,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-28 19:04:27,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:27,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-28 19:04:27,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:04:27,485 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 8 states. [2020-07-28 19:04:29,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:29,814 INFO L93 Difference]: Finished difference Result 568 states and 818 transitions. [2020-07-28 19:04:29,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-28 19:04:29,814 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-07-28 19:04:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:04:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 654 transitions. [2020-07-28 19:04:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-28 19:04:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 654 transitions. [2020-07-28 19:04:29,835 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 654 transitions. [2020-07-28 19:04:30,625 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 654 edges. 654 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:30,643 INFO L225 Difference]: With dead ends: 568 [2020-07-28 19:04:30,644 INFO L226 Difference]: Without dead ends: 487 [2020-07-28 19:04:30,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-07-28 19:04:30,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-07-28 19:04:30,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2020-07-28 19:04:30,933 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:30,933 INFO L82 GeneralOperation]: Start isEquivalent. First operand 487 states. Second operand 204 states. [2020-07-28 19:04:30,933 INFO L74 IsIncluded]: Start isIncluded. First operand 487 states. Second operand 204 states. [2020-07-28 19:04:30,933 INFO L87 Difference]: Start difference. First operand 487 states. Second operand 204 states. [2020-07-28 19:04:30,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:30,952 INFO L93 Difference]: Finished difference Result 487 states and 692 transitions. [2020-07-28 19:04:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 692 transitions. [2020-07-28 19:04:30,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:30,953 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:30,954 INFO L74 IsIncluded]: Start isIncluded. First operand 204 states. Second operand 487 states. [2020-07-28 19:04:30,954 INFO L87 Difference]: Start difference. First operand 204 states. Second operand 487 states. [2020-07-28 19:04:30,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:30,972 INFO L93 Difference]: Finished difference Result 487 states and 692 transitions. [2020-07-28 19:04:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 692 transitions. [2020-07-28 19:04:30,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:30,973 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:30,974 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:30,974 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-28 19:04:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2020-07-28 19:04:30,980 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2020-07-28 19:04:30,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:30,980 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2020-07-28 19:04:30,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-28 19:04:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2020-07-28 19:04:30,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-28 19:04:30,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:30,982 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] [2020-07-28 19:04:30,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:04:30,982 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:30,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:30,983 INFO L82 PathProgramCache]: Analyzing trace with hash 26564831, now seen corresponding path program 1 times [2020-07-28 19:04:30,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:30,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722631734] [2020-07-28 19:04:30,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:31,086 INFO L280 TraceCheckUtils]: 0: Hoare triple {5306#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {5306#true} is VALID [2020-07-28 19:04:31,086 INFO L280 TraceCheckUtils]: 1: Hoare triple {5306#true} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {5306#true} is VALID [2020-07-28 19:04:31,087 INFO L280 TraceCheckUtils]: 2: Hoare triple {5306#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {5306#true} is VALID [2020-07-28 19:04:31,087 INFO L280 TraceCheckUtils]: 3: Hoare triple {5306#true} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {5306#true} is VALID [2020-07-28 19:04:31,087 INFO L280 TraceCheckUtils]: 4: Hoare triple {5306#true} assume 0 != main_~tmp~11; {5306#true} is VALID [2020-07-28 19:04:31,087 INFO L280 TraceCheckUtils]: 5: Hoare triple {5306#true} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {5306#true} is VALID [2020-07-28 19:04:31,087 INFO L280 TraceCheckUtils]: 6: Hoare triple {5306#true} assume !false; {5306#true} is VALID [2020-07-28 19:04:31,088 INFO L280 TraceCheckUtils]: 7: Hoare triple {5306#true} assume test_~splverifierCounter~0 < 4; {5306#true} is VALID [2020-07-28 19:04:31,088 INFO L280 TraceCheckUtils]: 8: Hoare triple {5306#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {5306#true} is VALID [2020-07-28 19:04:31,088 INFO L280 TraceCheckUtils]: 9: Hoare triple {5306#true} assume !(0 != test_~tmp~6); {5306#true} is VALID [2020-07-28 19:04:31,088 INFO L280 TraceCheckUtils]: 10: Hoare triple {5306#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {5306#true} is VALID [2020-07-28 19:04:31,089 INFO L280 TraceCheckUtils]: 11: Hoare triple {5306#true} assume !(0 != test_~tmp___0~2); {5306#true} is VALID [2020-07-28 19:04:31,089 INFO L280 TraceCheckUtils]: 12: Hoare triple {5306#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {5306#true} is VALID [2020-07-28 19:04:31,089 INFO L280 TraceCheckUtils]: 13: Hoare triple {5306#true} assume 0 != test_~tmp___2~0; {5306#true} is VALID [2020-07-28 19:04:31,089 INFO L280 TraceCheckUtils]: 14: Hoare triple {5306#true} assume !(0 != ~pumpRunning~0); {5306#true} is VALID [2020-07-28 19:04:31,090 INFO L280 TraceCheckUtils]: 15: Hoare triple {5306#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5306#true} is VALID [2020-07-28 19:04:31,090 INFO L280 TraceCheckUtils]: 16: Hoare triple {5306#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {5306#true} is VALID [2020-07-28 19:04:31,090 INFO L280 TraceCheckUtils]: 17: Hoare triple {5306#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {5306#true} is VALID [2020-07-28 19:04:31,090 INFO L280 TraceCheckUtils]: 18: Hoare triple {5306#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {5306#true} is VALID [2020-07-28 19:04:31,091 INFO L280 TraceCheckUtils]: 19: Hoare triple {5306#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {5306#true} is VALID [2020-07-28 19:04:31,091 INFO L280 TraceCheckUtils]: 20: Hoare triple {5306#true} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {5306#true} is VALID [2020-07-28 19:04:31,092 INFO L280 TraceCheckUtils]: 21: Hoare triple {5306#true} assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; {5308#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} is VALID [2020-07-28 19:04:31,093 INFO L280 TraceCheckUtils]: 22: Hoare triple {5308#(= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {5309#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} is VALID [2020-07-28 19:04:31,094 INFO L280 TraceCheckUtils]: 23: Hoare triple {5309#(= 0 |ULTIMATE.start_isHighWaterLevel_#res|)} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {5310#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0)} is VALID [2020-07-28 19:04:31,095 INFO L280 TraceCheckUtils]: 24: Hoare triple {5310#(= 0 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {5307#false} is VALID [2020-07-28 19:04:31,096 INFO L280 TraceCheckUtils]: 25: Hoare triple {5307#false} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {5307#false} is VALID [2020-07-28 19:04:31,096 INFO L280 TraceCheckUtils]: 26: Hoare triple {5307#false} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {5307#false} is VALID [2020-07-28 19:04:31,096 INFO L280 TraceCheckUtils]: 27: Hoare triple {5307#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {5307#false} is VALID [2020-07-28 19:04:31,096 INFO L280 TraceCheckUtils]: 28: Hoare triple {5307#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {5307#false} is VALID [2020-07-28 19:04:31,097 INFO L280 TraceCheckUtils]: 29: Hoare triple {5307#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {5307#false} is VALID [2020-07-28 19:04:31,097 INFO L280 TraceCheckUtils]: 30: Hoare triple {5307#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {5307#false} is VALID [2020-07-28 19:04:31,097 INFO L280 TraceCheckUtils]: 31: Hoare triple {5307#false} assume !false; {5307#false} is VALID [2020-07-28 19:04:31,097 INFO L280 TraceCheckUtils]: 32: Hoare triple {5307#false} assume test_~splverifierCounter~0 < 4; {5307#false} is VALID [2020-07-28 19:04:31,098 INFO L280 TraceCheckUtils]: 33: Hoare triple {5307#false} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {5307#false} is VALID [2020-07-28 19:04:31,098 INFO L280 TraceCheckUtils]: 34: Hoare triple {5307#false} assume !(0 != test_~tmp~6); {5307#false} is VALID [2020-07-28 19:04:31,098 INFO L280 TraceCheckUtils]: 35: Hoare triple {5307#false} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {5307#false} is VALID [2020-07-28 19:04:31,098 INFO L280 TraceCheckUtils]: 36: Hoare triple {5307#false} assume !(0 != test_~tmp___0~2); {5307#false} is VALID [2020-07-28 19:04:31,098 INFO L280 TraceCheckUtils]: 37: Hoare triple {5307#false} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {5307#false} is VALID [2020-07-28 19:04:31,099 INFO L280 TraceCheckUtils]: 38: Hoare triple {5307#false} assume 0 != test_~tmp___2~0; {5307#false} is VALID [2020-07-28 19:04:31,099 INFO L280 TraceCheckUtils]: 39: Hoare triple {5307#false} assume 0 != ~pumpRunning~0; {5307#false} is VALID [2020-07-28 19:04:31,099 INFO L280 TraceCheckUtils]: 40: Hoare triple {5307#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {5307#false} is VALID [2020-07-28 19:04:31,099 INFO L280 TraceCheckUtils]: 41: Hoare triple {5307#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {5307#false} is VALID [2020-07-28 19:04:31,100 INFO L280 TraceCheckUtils]: 42: Hoare triple {5307#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {5307#false} is VALID [2020-07-28 19:04:31,100 INFO L280 TraceCheckUtils]: 43: Hoare triple {5307#false} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {5307#false} is VALID [2020-07-28 19:04:31,100 INFO L280 TraceCheckUtils]: 44: Hoare triple {5307#false} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {5307#false} is VALID [2020-07-28 19:04:31,101 INFO L280 TraceCheckUtils]: 45: Hoare triple {5307#false} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 0; {5307#false} is VALID [2020-07-28 19:04:31,101 INFO L280 TraceCheckUtils]: 46: Hoare triple {5307#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {5307#false} is VALID [2020-07-28 19:04:31,101 INFO L280 TraceCheckUtils]: 47: Hoare triple {5307#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {5307#false} is VALID [2020-07-28 19:04:31,101 INFO L280 TraceCheckUtils]: 48: Hoare triple {5307#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {5307#false} is VALID [2020-07-28 19:04:31,102 INFO L280 TraceCheckUtils]: 49: Hoare triple {5307#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {5307#false} is VALID [2020-07-28 19:04:31,102 INFO L280 TraceCheckUtils]: 50: Hoare triple {5307#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {5307#false} is VALID [2020-07-28 19:04:31,102 INFO L280 TraceCheckUtils]: 51: Hoare triple {5307#false} assume !false; {5307#false} is VALID [2020-07-28 19:04:31,105 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 19:04:31,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722631734] [2020-07-28 19:04:31,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:31,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:31,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461630114] [2020-07-28 19:04:31,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-28 19:04:31,107 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:31,107 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:31,169 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:31,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:31,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:31,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:31,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:31,171 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand 5 states. [2020-07-28 19:04:32,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:32,305 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2020-07-28 19:04:32,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:32,305 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-28 19:04:32,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 255 transitions. [2020-07-28 19:04:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 255 transitions. [2020-07-28 19:04:32,314 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 255 transitions. [2020-07-28 19:04:32,556 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 19:04:32,566 INFO L225 Difference]: With dead ends: 540 [2020-07-28 19:04:32,567 INFO L226 Difference]: Without dead ends: 342 [2020-07-28 19:04:32,568 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 19:04:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-07-28 19:04:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2020-07-28 19:04:32,913 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:32,913 INFO L82 GeneralOperation]: Start isEquivalent. First operand 342 states. Second operand 225 states. [2020-07-28 19:04:32,913 INFO L74 IsIncluded]: Start isIncluded. First operand 342 states. Second operand 225 states. [2020-07-28 19:04:32,914 INFO L87 Difference]: Start difference. First operand 342 states. Second operand 225 states. [2020-07-28 19:04:32,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:32,927 INFO L93 Difference]: Finished difference Result 342 states and 455 transitions. [2020-07-28 19:04:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 455 transitions. [2020-07-28 19:04:32,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:32,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:32,928 INFO L74 IsIncluded]: Start isIncluded. First operand 225 states. Second operand 342 states. [2020-07-28 19:04:32,928 INFO L87 Difference]: Start difference. First operand 225 states. Second operand 342 states. [2020-07-28 19:04:32,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:32,940 INFO L93 Difference]: Finished difference Result 342 states and 455 transitions. [2020-07-28 19:04:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 455 transitions. [2020-07-28 19:04:32,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:32,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:32,941 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:32,941 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-07-28 19:04:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2020-07-28 19:04:32,948 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2020-07-28 19:04:32,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:32,951 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2020-07-28 19:04:32,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2020-07-28 19:04:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-28 19:04:32,952 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:32,953 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] [2020-07-28 19:04:32,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:04:32,954 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:32,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:32,954 INFO L82 PathProgramCache]: Analyzing trace with hash 728164705, now seen corresponding path program 1 times [2020-07-28 19:04:32,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:32,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574857512] [2020-07-28 19:04:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:33,031 INFO L280 TraceCheckUtils]: 0: Hoare triple {7045#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {7045#true} is VALID [2020-07-28 19:04:33,032 INFO L280 TraceCheckUtils]: 1: Hoare triple {7045#true} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {7045#true} is VALID [2020-07-28 19:04:33,032 INFO L280 TraceCheckUtils]: 2: Hoare triple {7045#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {7045#true} is VALID [2020-07-28 19:04:33,032 INFO L280 TraceCheckUtils]: 3: Hoare triple {7045#true} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {7045#true} is VALID [2020-07-28 19:04:33,032 INFO L280 TraceCheckUtils]: 4: Hoare triple {7045#true} assume 0 != main_~tmp~11; {7045#true} is VALID [2020-07-28 19:04:33,033 INFO L280 TraceCheckUtils]: 5: Hoare triple {7045#true} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {7045#true} is VALID [2020-07-28 19:04:33,033 INFO L280 TraceCheckUtils]: 6: Hoare triple {7045#true} assume !false; {7045#true} is VALID [2020-07-28 19:04:33,033 INFO L280 TraceCheckUtils]: 7: Hoare triple {7045#true} assume test_~splverifierCounter~0 < 4; {7045#true} is VALID [2020-07-28 19:04:33,033 INFO L280 TraceCheckUtils]: 8: Hoare triple {7045#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {7045#true} is VALID [2020-07-28 19:04:33,033 INFO L280 TraceCheckUtils]: 9: Hoare triple {7045#true} assume !(0 != test_~tmp~6); {7045#true} is VALID [2020-07-28 19:04:33,034 INFO L280 TraceCheckUtils]: 10: Hoare triple {7045#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {7045#true} is VALID [2020-07-28 19:04:33,034 INFO L280 TraceCheckUtils]: 11: Hoare triple {7045#true} assume !(0 != test_~tmp___0~2); {7045#true} is VALID [2020-07-28 19:04:33,034 INFO L280 TraceCheckUtils]: 12: Hoare triple {7045#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {7045#true} is VALID [2020-07-28 19:04:33,034 INFO L280 TraceCheckUtils]: 13: Hoare triple {7045#true} assume 0 != test_~tmp___2~0; {7045#true} is VALID [2020-07-28 19:04:33,035 INFO L280 TraceCheckUtils]: 14: Hoare triple {7045#true} assume !(0 != ~pumpRunning~0); {7045#true} is VALID [2020-07-28 19:04:33,035 INFO L280 TraceCheckUtils]: 15: Hoare triple {7045#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {7045#true} is VALID [2020-07-28 19:04:33,035 INFO L280 TraceCheckUtils]: 16: Hoare triple {7045#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {7045#true} is VALID [2020-07-28 19:04:33,036 INFO L280 TraceCheckUtils]: 17: Hoare triple {7045#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {7045#true} is VALID [2020-07-28 19:04:33,037 INFO L280 TraceCheckUtils]: 18: Hoare triple {7045#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {7045#true} is VALID [2020-07-28 19:04:33,038 INFO L280 TraceCheckUtils]: 19: Hoare triple {7045#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {7047#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} is VALID [2020-07-28 19:04:33,039 INFO L280 TraceCheckUtils]: 20: Hoare triple {7047#(= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {7048#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} is VALID [2020-07-28 19:04:33,039 INFO L280 TraceCheckUtils]: 21: Hoare triple {7048#(= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {7046#false} is VALID [2020-07-28 19:04:33,039 INFO L280 TraceCheckUtils]: 22: Hoare triple {7046#false} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {7046#false} is VALID [2020-07-28 19:04:33,040 INFO L280 TraceCheckUtils]: 23: Hoare triple {7046#false} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {7046#false} is VALID [2020-07-28 19:04:33,040 INFO L280 TraceCheckUtils]: 24: Hoare triple {7046#false} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {7046#false} is VALID [2020-07-28 19:04:33,040 INFO L280 TraceCheckUtils]: 25: Hoare triple {7046#false} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {7046#false} is VALID [2020-07-28 19:04:33,040 INFO L280 TraceCheckUtils]: 26: Hoare triple {7046#false} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {7046#false} is VALID [2020-07-28 19:04:33,041 INFO L280 TraceCheckUtils]: 27: Hoare triple {7046#false} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {7046#false} is VALID [2020-07-28 19:04:33,041 INFO L280 TraceCheckUtils]: 28: Hoare triple {7046#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {7046#false} is VALID [2020-07-28 19:04:33,041 INFO L280 TraceCheckUtils]: 29: Hoare triple {7046#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {7046#false} is VALID [2020-07-28 19:04:33,041 INFO L280 TraceCheckUtils]: 30: Hoare triple {7046#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {7046#false} is VALID [2020-07-28 19:04:33,041 INFO L280 TraceCheckUtils]: 31: Hoare triple {7046#false} assume !false; {7046#false} is VALID [2020-07-28 19:04:33,042 INFO L280 TraceCheckUtils]: 32: Hoare triple {7046#false} assume test_~splverifierCounter~0 < 4; {7046#false} is VALID [2020-07-28 19:04:33,042 INFO L280 TraceCheckUtils]: 33: Hoare triple {7046#false} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {7046#false} is VALID [2020-07-28 19:04:33,042 INFO L280 TraceCheckUtils]: 34: Hoare triple {7046#false} assume !(0 != test_~tmp~6); {7046#false} is VALID [2020-07-28 19:04:33,042 INFO L280 TraceCheckUtils]: 35: Hoare triple {7046#false} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {7046#false} is VALID [2020-07-28 19:04:33,042 INFO L280 TraceCheckUtils]: 36: Hoare triple {7046#false} assume !(0 != test_~tmp___0~2); {7046#false} is VALID [2020-07-28 19:04:33,043 INFO L280 TraceCheckUtils]: 37: Hoare triple {7046#false} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {7046#false} is VALID [2020-07-28 19:04:33,043 INFO L280 TraceCheckUtils]: 38: Hoare triple {7046#false} assume 0 != test_~tmp___2~0; {7046#false} is VALID [2020-07-28 19:04:33,043 INFO L280 TraceCheckUtils]: 39: Hoare triple {7046#false} assume 0 != ~pumpRunning~0; {7046#false} is VALID [2020-07-28 19:04:33,047 INFO L280 TraceCheckUtils]: 40: Hoare triple {7046#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {7046#false} is VALID [2020-07-28 19:04:33,048 INFO L280 TraceCheckUtils]: 41: Hoare triple {7046#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {7046#false} is VALID [2020-07-28 19:04:33,048 INFO L280 TraceCheckUtils]: 42: Hoare triple {7046#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {7046#false} is VALID [2020-07-28 19:04:33,048 INFO L280 TraceCheckUtils]: 43: Hoare triple {7046#false} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {7046#false} is VALID [2020-07-28 19:04:33,050 INFO L280 TraceCheckUtils]: 44: Hoare triple {7046#false} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {7046#false} is VALID [2020-07-28 19:04:33,050 INFO L280 TraceCheckUtils]: 45: Hoare triple {7046#false} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 0; {7046#false} is VALID [2020-07-28 19:04:33,050 INFO L280 TraceCheckUtils]: 46: Hoare triple {7046#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {7046#false} is VALID [2020-07-28 19:04:33,051 INFO L280 TraceCheckUtils]: 47: Hoare triple {7046#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {7046#false} is VALID [2020-07-28 19:04:33,051 INFO L280 TraceCheckUtils]: 48: Hoare triple {7046#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {7046#false} is VALID [2020-07-28 19:04:33,051 INFO L280 TraceCheckUtils]: 49: Hoare triple {7046#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {7046#false} is VALID [2020-07-28 19:04:33,052 INFO L280 TraceCheckUtils]: 50: Hoare triple {7046#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {7046#false} is VALID [2020-07-28 19:04:33,052 INFO L280 TraceCheckUtils]: 51: Hoare triple {7046#false} assume !false; {7046#false} is VALID [2020-07-28 19:04:33,059 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 19:04:33,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574857512] [2020-07-28 19:04:33,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:33,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:04:33,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311549136] [2020-07-28 19:04:33,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-07-28 19:04:33,061 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:33,062 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 19:04:33,120 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:33,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 19:04:33,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:33,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 19:04:33,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-28 19:04:33,121 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 4 states. [2020-07-28 19:04:33,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:33,943 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2020-07-28 19:04:33,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 19:04:33,943 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-07-28 19:04:33,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 232 transitions. [2020-07-28 19:04:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 19:04:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 232 transitions. [2020-07-28 19:04:33,947 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 232 transitions. [2020-07-28 19:04:34,194 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 232 edges. 232 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:34,203 INFO L225 Difference]: With dead ends: 476 [2020-07-28 19:04:34,203 INFO L226 Difference]: Without dead ends: 257 [2020-07-28 19:04:34,204 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 19:04:34,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-28 19:04:34,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 191. [2020-07-28 19:04:34,541 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:34,542 INFO L82 GeneralOperation]: Start isEquivalent. First operand 257 states. Second operand 191 states. [2020-07-28 19:04:34,542 INFO L74 IsIncluded]: Start isIncluded. First operand 257 states. Second operand 191 states. [2020-07-28 19:04:34,542 INFO L87 Difference]: Start difference. First operand 257 states. Second operand 191 states. [2020-07-28 19:04:34,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:34,549 INFO L93 Difference]: Finished difference Result 257 states and 335 transitions. [2020-07-28 19:04:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 335 transitions. [2020-07-28 19:04:34,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:34,550 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:34,550 INFO L74 IsIncluded]: Start isIncluded. First operand 191 states. Second operand 257 states. [2020-07-28 19:04:34,551 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 257 states. [2020-07-28 19:04:34,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:34,557 INFO L93 Difference]: Finished difference Result 257 states and 335 transitions. [2020-07-28 19:04:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 335 transitions. [2020-07-28 19:04:34,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:34,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:34,558 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:34,558 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-28 19:04:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2020-07-28 19:04:34,563 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2020-07-28 19:04:34,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:34,563 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2020-07-28 19:04:34,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 19:04:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2020-07-28 19:04:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-28 19:04:34,565 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:34,565 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] [2020-07-28 19:04:34,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-28 19:04:34,566 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:34,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:34,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1967630623, now seen corresponding path program 1 times [2020-07-28 19:04:34,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:34,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286440028] [2020-07-28 19:04:34,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:34,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {8473#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,728 INFO L280 TraceCheckUtils]: 2: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,729 INFO L280 TraceCheckUtils]: 3: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,730 INFO L280 TraceCheckUtils]: 4: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != main_~tmp~11; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,730 INFO L280 TraceCheckUtils]: 5: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,731 INFO L280 TraceCheckUtils]: 6: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !false; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,732 INFO L280 TraceCheckUtils]: 7: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,733 INFO L280 TraceCheckUtils]: 8: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,733 INFO L280 TraceCheckUtils]: 9: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp~6; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,734 INFO L280 TraceCheckUtils]: 10: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,735 INFO L280 TraceCheckUtils]: 11: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,735 INFO L280 TraceCheckUtils]: 12: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~2); {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,736 INFO L280 TraceCheckUtils]: 13: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,736 INFO L280 TraceCheckUtils]: 14: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,737 INFO L280 TraceCheckUtils]: 15: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0); {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,738 INFO L280 TraceCheckUtils]: 16: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,739 INFO L280 TraceCheckUtils]: 17: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,740 INFO L280 TraceCheckUtils]: 18: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,741 INFO L280 TraceCheckUtils]: 19: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,742 INFO L280 TraceCheckUtils]: 20: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,743 INFO L280 TraceCheckUtils]: 21: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,743 INFO L280 TraceCheckUtils]: 22: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,744 INFO L280 TraceCheckUtils]: 23: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,745 INFO L280 TraceCheckUtils]: 24: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,746 INFO L280 TraceCheckUtils]: 25: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,747 INFO L280 TraceCheckUtils]: 26: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,748 INFO L280 TraceCheckUtils]: 27: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,749 INFO L280 TraceCheckUtils]: 28: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,750 INFO L280 TraceCheckUtils]: 29: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,751 INFO L280 TraceCheckUtils]: 30: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,752 INFO L280 TraceCheckUtils]: 31: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,753 INFO L280 TraceCheckUtils]: 32: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !false; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,754 INFO L280 TraceCheckUtils]: 33: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume test_~splverifierCounter~0 < 4; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,755 INFO L280 TraceCheckUtils]: 34: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,755 INFO L280 TraceCheckUtils]: 35: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp~6); {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,756 INFO L280 TraceCheckUtils]: 36: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,757 INFO L280 TraceCheckUtils]: 37: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume !(0 != test_~tmp___0~2); {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,758 INFO L280 TraceCheckUtils]: 38: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,758 INFO L280 TraceCheckUtils]: 39: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != test_~tmp___2~0; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,759 INFO L280 TraceCheckUtils]: 40: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,760 INFO L280 TraceCheckUtils]: 41: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,761 INFO L280 TraceCheckUtils]: 42: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {8475#(= 0 ~methaneLevelCritical~0)} is VALID [2020-07-28 19:04:34,762 INFO L280 TraceCheckUtils]: 43: Hoare triple {8475#(= 0 ~methaneLevelCritical~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {8476#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} is VALID [2020-07-28 19:04:34,763 INFO L280 TraceCheckUtils]: 44: Hoare triple {8476#(= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {8477#(= 0 |ULTIMATE.start_isMethaneAlarm_#res|)} is VALID [2020-07-28 19:04:34,764 INFO L280 TraceCheckUtils]: 45: Hoare triple {8477#(= 0 |ULTIMATE.start_isMethaneAlarm_#res|)} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {8478#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} is VALID [2020-07-28 19:04:34,765 INFO L280 TraceCheckUtils]: 46: Hoare triple {8478#(= 0 ULTIMATE.start_processEnvironment_~tmp~2)} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 0; {8474#false} is VALID [2020-07-28 19:04:34,765 INFO L280 TraceCheckUtils]: 47: Hoare triple {8474#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {8474#false} is VALID [2020-07-28 19:04:34,765 INFO L280 TraceCheckUtils]: 48: Hoare triple {8474#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {8474#false} is VALID [2020-07-28 19:04:34,765 INFO L280 TraceCheckUtils]: 49: Hoare triple {8474#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {8474#false} is VALID [2020-07-28 19:04:34,765 INFO L280 TraceCheckUtils]: 50: Hoare triple {8474#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {8474#false} is VALID [2020-07-28 19:04:34,766 INFO L280 TraceCheckUtils]: 51: Hoare triple {8474#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {8474#false} is VALID [2020-07-28 19:04:34,766 INFO L280 TraceCheckUtils]: 52: Hoare triple {8474#false} assume !false; {8474#false} is VALID [2020-07-28 19:04:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:04:34,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286440028] [2020-07-28 19:04:34,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:34,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:34,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089295688] [2020-07-28 19:04:34,771 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-07-28 19:04:34,772 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:34,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 19:04:34,828 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:34,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 19:04:34,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:34,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 19:04:34,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-28 19:04:34,829 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 6 states. [2020-07-28 19:04:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:37,289 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2020-07-28 19:04:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-28 19:04:37,290 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-07-28 19:04:37,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 439 transitions. [2020-07-28 19:04:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 19:04:37,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 439 transitions. [2020-07-28 19:04:37,297 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 439 transitions. [2020-07-28 19:04:37,825 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 439 edges. 439 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:37,853 INFO L225 Difference]: With dead ends: 871 [2020-07-28 19:04:37,854 INFO L226 Difference]: Without dead ends: 686 [2020-07-28 19:04:37,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-07-28 19:04:37,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-07-28 19:04:38,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2020-07-28 19:04:38,647 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:38,647 INFO L82 GeneralOperation]: Start isEquivalent. First operand 686 states. Second operand 374 states. [2020-07-28 19:04:38,647 INFO L74 IsIncluded]: Start isIncluded. First operand 686 states. Second operand 374 states. [2020-07-28 19:04:38,647 INFO L87 Difference]: Start difference. First operand 686 states. Second operand 374 states. [2020-07-28 19:04:38,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:38,672 INFO L93 Difference]: Finished difference Result 686 states and 923 transitions. [2020-07-28 19:04:38,672 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 923 transitions. [2020-07-28 19:04:38,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:38,697 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:38,697 INFO L74 IsIncluded]: Start isIncluded. First operand 374 states. Second operand 686 states. [2020-07-28 19:04:38,697 INFO L87 Difference]: Start difference. First operand 374 states. Second operand 686 states. [2020-07-28 19:04:38,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:38,722 INFO L93 Difference]: Finished difference Result 686 states and 923 transitions. [2020-07-28 19:04:38,722 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 923 transitions. [2020-07-28 19:04:38,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:38,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:38,724 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:38,724 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-07-28 19:04:38,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2020-07-28 19:04:38,733 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2020-07-28 19:04:38,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:38,734 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2020-07-28 19:04:38,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 19:04:38,734 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2020-07-28 19:04:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-28 19:04:38,735 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:38,735 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:04:38,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-28 19:04:38,736 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:38,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:38,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1827053301, now seen corresponding path program 1 times [2020-07-28 19:04:38,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:38,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323407356] [2020-07-28 19:04:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:38,832 INFO L280 TraceCheckUtils]: 0: Hoare triple {11554#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {11554#true} is VALID [2020-07-28 19:04:38,832 INFO L280 TraceCheckUtils]: 1: Hoare triple {11554#true} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {11554#true} is VALID [2020-07-28 19:04:38,832 INFO L280 TraceCheckUtils]: 2: Hoare triple {11554#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {11554#true} is VALID [2020-07-28 19:04:38,833 INFO L280 TraceCheckUtils]: 3: Hoare triple {11554#true} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {11554#true} is VALID [2020-07-28 19:04:38,833 INFO L280 TraceCheckUtils]: 4: Hoare triple {11554#true} assume 0 != main_~tmp~11; {11554#true} is VALID [2020-07-28 19:04:38,834 INFO L280 TraceCheckUtils]: 5: Hoare triple {11554#true} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {11554#true} is VALID [2020-07-28 19:04:38,834 INFO L280 TraceCheckUtils]: 6: Hoare triple {11554#true} assume !false; {11554#true} is VALID [2020-07-28 19:04:38,834 INFO L280 TraceCheckUtils]: 7: Hoare triple {11554#true} assume test_~splverifierCounter~0 < 4; {11554#true} is VALID [2020-07-28 19:04:38,834 INFO L280 TraceCheckUtils]: 8: Hoare triple {11554#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {11554#true} is VALID [2020-07-28 19:04:38,835 INFO L280 TraceCheckUtils]: 9: Hoare triple {11554#true} assume 0 != test_~tmp~6; {11554#true} is VALID [2020-07-28 19:04:38,835 INFO L280 TraceCheckUtils]: 10: Hoare triple {11554#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {11554#true} is VALID [2020-07-28 19:04:38,835 INFO L280 TraceCheckUtils]: 11: Hoare triple {11554#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {11554#true} is VALID [2020-07-28 19:04:38,835 INFO L280 TraceCheckUtils]: 12: Hoare triple {11554#true} assume !(0 != test_~tmp___0~2); {11554#true} is VALID [2020-07-28 19:04:38,836 INFO L280 TraceCheckUtils]: 13: Hoare triple {11554#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {11554#true} is VALID [2020-07-28 19:04:38,836 INFO L280 TraceCheckUtils]: 14: Hoare triple {11554#true} assume 0 != test_~tmp___2~0; {11554#true} is VALID [2020-07-28 19:04:38,836 INFO L280 TraceCheckUtils]: 15: Hoare triple {11554#true} assume !(0 != ~pumpRunning~0); {11554#true} is VALID [2020-07-28 19:04:38,837 INFO L280 TraceCheckUtils]: 16: Hoare triple {11554#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11554#true} is VALID [2020-07-28 19:04:38,837 INFO L280 TraceCheckUtils]: 17: Hoare triple {11554#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {11554#true} is VALID [2020-07-28 19:04:38,837 INFO L280 TraceCheckUtils]: 18: Hoare triple {11554#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {11554#true} is VALID [2020-07-28 19:04:38,837 INFO L280 TraceCheckUtils]: 19: Hoare triple {11554#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {11554#true} is VALID [2020-07-28 19:04:38,838 INFO L280 TraceCheckUtils]: 20: Hoare triple {11554#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {11554#true} is VALID [2020-07-28 19:04:38,838 INFO L280 TraceCheckUtils]: 21: Hoare triple {11554#true} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {11554#true} is VALID [2020-07-28 19:04:38,846 INFO L280 TraceCheckUtils]: 22: Hoare triple {11554#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {11554#true} is VALID [2020-07-28 19:04:38,846 INFO L280 TraceCheckUtils]: 23: Hoare triple {11554#true} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {11554#true} is VALID [2020-07-28 19:04:38,846 INFO L280 TraceCheckUtils]: 24: Hoare triple {11554#true} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {11554#true} is VALID [2020-07-28 19:04:38,847 INFO L280 TraceCheckUtils]: 25: Hoare triple {11554#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {11554#true} is VALID [2020-07-28 19:04:38,847 INFO L280 TraceCheckUtils]: 26: Hoare triple {11554#true} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {11554#true} is VALID [2020-07-28 19:04:38,848 INFO L280 TraceCheckUtils]: 27: Hoare triple {11554#true} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {11554#true} is VALID [2020-07-28 19:04:38,848 INFO L280 TraceCheckUtils]: 28: Hoare triple {11554#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {11554#true} is VALID [2020-07-28 19:04:38,848 INFO L280 TraceCheckUtils]: 29: Hoare triple {11554#true} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {11554#true} is VALID [2020-07-28 19:04:38,849 INFO L280 TraceCheckUtils]: 30: Hoare triple {11554#true} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {11554#true} is VALID [2020-07-28 19:04:38,849 INFO L280 TraceCheckUtils]: 31: Hoare triple {11554#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {11554#true} is VALID [2020-07-28 19:04:38,849 INFO L280 TraceCheckUtils]: 32: Hoare triple {11554#true} assume !false; {11554#true} is VALID [2020-07-28 19:04:38,850 INFO L280 TraceCheckUtils]: 33: Hoare triple {11554#true} assume test_~splverifierCounter~0 < 4; {11554#true} is VALID [2020-07-28 19:04:38,850 INFO L280 TraceCheckUtils]: 34: Hoare triple {11554#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {11554#true} is VALID [2020-07-28 19:04:38,850 INFO L280 TraceCheckUtils]: 35: Hoare triple {11554#true} assume !(0 != test_~tmp~6); {11554#true} is VALID [2020-07-28 19:04:38,851 INFO L280 TraceCheckUtils]: 36: Hoare triple {11554#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {11554#true} is VALID [2020-07-28 19:04:38,851 INFO L280 TraceCheckUtils]: 37: Hoare triple {11554#true} assume 0 != test_~tmp___0~2; {11554#true} is VALID [2020-07-28 19:04:38,851 INFO L280 TraceCheckUtils]: 38: Hoare triple {11554#true} assume !(0 != ~methaneLevelCritical~0);~methaneLevelCritical~0 := 1; {11554#true} is VALID [2020-07-28 19:04:38,852 INFO L280 TraceCheckUtils]: 39: Hoare triple {11554#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {11554#true} is VALID [2020-07-28 19:04:38,853 INFO L280 TraceCheckUtils]: 40: Hoare triple {11554#true} assume 0 != test_~tmp___2~0; {11554#true} is VALID [2020-07-28 19:04:38,854 INFO L280 TraceCheckUtils]: 41: Hoare triple {11554#true} assume 0 != ~pumpRunning~0; {11554#true} is VALID [2020-07-28 19:04:38,854 INFO L280 TraceCheckUtils]: 42: Hoare triple {11554#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {11554#true} is VALID [2020-07-28 19:04:38,854 INFO L280 TraceCheckUtils]: 43: Hoare triple {11554#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {11554#true} is VALID [2020-07-28 19:04:38,855 INFO L280 TraceCheckUtils]: 44: Hoare triple {11554#true} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {11554#true} is VALID [2020-07-28 19:04:38,855 INFO L280 TraceCheckUtils]: 45: Hoare triple {11554#true} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {11554#true} is VALID [2020-07-28 19:04:38,855 INFO L280 TraceCheckUtils]: 46: Hoare triple {11554#true} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {11554#true} is VALID [2020-07-28 19:04:38,859 INFO L280 TraceCheckUtils]: 47: Hoare triple {11554#true} assume 0 != processEnvironment_~tmp~2;~pumpRunning~0 := 0; {11556#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:38,860 INFO L280 TraceCheckUtils]: 48: Hoare triple {11556#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {11556#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:38,860 INFO L280 TraceCheckUtils]: 49: Hoare triple {11556#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {11556#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:04:38,861 INFO L280 TraceCheckUtils]: 50: Hoare triple {11556#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {11557#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:04:38,862 INFO L280 TraceCheckUtils]: 51: Hoare triple {11557#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {11558#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3)} is VALID [2020-07-28 19:04:38,863 INFO L280 TraceCheckUtils]: 52: Hoare triple {11558#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~3)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {11555#false} is VALID [2020-07-28 19:04:38,863 INFO L280 TraceCheckUtils]: 53: Hoare triple {11555#false} assume !false; {11555#false} is VALID [2020-07-28 19:04:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-28 19:04:38,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323407356] [2020-07-28 19:04:38,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:38,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-28 19:04:38,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660348819] [2020-07-28 19:04:38,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:38,867 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:38,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:38,929 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:38,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:38,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:38,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:38,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:04:38,931 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2020-07-28 19:04:42,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:42,044 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2020-07-28 19:04:42,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-28 19:04:42,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-07-28 19:04:42,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 354 transitions. [2020-07-28 19:04:42,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:42,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 354 transitions. [2020-07-28 19:04:42,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 354 transitions. [2020-07-28 19:04:42,534 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 354 edges. 354 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:42,582 INFO L225 Difference]: With dead ends: 1022 [2020-07-28 19:04:42,582 INFO L226 Difference]: Without dead ends: 1020 [2020-07-28 19:04:42,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 19:04:42,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-07-28 19:04:43,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2020-07-28 19:04:43,405 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:43,405 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1020 states. Second operand 374 states. [2020-07-28 19:04:43,405 INFO L74 IsIncluded]: Start isIncluded. First operand 1020 states. Second operand 374 states. [2020-07-28 19:04:43,405 INFO L87 Difference]: Start difference. First operand 1020 states. Second operand 374 states. [2020-07-28 19:04:43,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:43,479 INFO L93 Difference]: Finished difference Result 1020 states and 1344 transitions. [2020-07-28 19:04:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1344 transitions. [2020-07-28 19:04:43,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:43,482 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:43,482 INFO L74 IsIncluded]: Start isIncluded. First operand 374 states. Second operand 1020 states. [2020-07-28 19:04:43,482 INFO L87 Difference]: Start difference. First operand 374 states. Second operand 1020 states. [2020-07-28 19:04:43,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:43,548 INFO L93 Difference]: Finished difference Result 1020 states and 1344 transitions. [2020-07-28 19:04:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1344 transitions. [2020-07-28 19:04:43,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:43,551 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:43,551 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:43,551 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-07-28 19:04:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2020-07-28 19:04:43,564 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2020-07-28 19:04:43,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:43,564 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2020-07-28 19:04:43,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2020-07-28 19:04:43,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-28 19:04:43,566 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:43,566 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 19:04:43,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-28 19:04:43,566 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:43,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1078505529, now seen corresponding path program 1 times [2020-07-28 19:04:43,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:43,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212135143] [2020-07-28 19:04:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:43,724 INFO L280 TraceCheckUtils]: 0: Hoare triple {15516#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,725 INFO L280 TraceCheckUtils]: 1: Hoare triple {15518#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,726 INFO L280 TraceCheckUtils]: 2: Hoare triple {15518#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,726 INFO L280 TraceCheckUtils]: 3: Hoare triple {15518#(= 1 ~waterLevel~0)} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,727 INFO L280 TraceCheckUtils]: 4: Hoare triple {15518#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~11; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,727 INFO L280 TraceCheckUtils]: 5: Hoare triple {15518#(= 1 ~waterLevel~0)} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,728 INFO L280 TraceCheckUtils]: 6: Hoare triple {15518#(= 1 ~waterLevel~0)} assume !false; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,728 INFO L280 TraceCheckUtils]: 7: Hoare triple {15518#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,729 INFO L280 TraceCheckUtils]: 8: Hoare triple {15518#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,730 INFO L280 TraceCheckUtils]: 9: Hoare triple {15518#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~6; {15518#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,730 INFO L280 TraceCheckUtils]: 10: Hoare triple {15518#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,731 INFO L280 TraceCheckUtils]: 11: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,732 INFO L280 TraceCheckUtils]: 12: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,732 INFO L280 TraceCheckUtils]: 13: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,733 INFO L280 TraceCheckUtils]: 14: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,733 INFO L280 TraceCheckUtils]: 15: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,734 INFO L280 TraceCheckUtils]: 16: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,735 INFO L280 TraceCheckUtils]: 17: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,735 INFO L280 TraceCheckUtils]: 18: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,736 INFO L280 TraceCheckUtils]: 19: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,736 INFO L280 TraceCheckUtils]: 20: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,737 INFO L280 TraceCheckUtils]: 21: Hoare triple {15519#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,738 INFO L280 TraceCheckUtils]: 22: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,738 INFO L280 TraceCheckUtils]: 23: Hoare triple {15519#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,739 INFO L280 TraceCheckUtils]: 24: Hoare triple {15519#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,739 INFO L280 TraceCheckUtils]: 25: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,740 INFO L280 TraceCheckUtils]: 26: Hoare triple {15519#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,741 INFO L280 TraceCheckUtils]: 27: Hoare triple {15519#(<= 2 ~waterLevel~0)} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,741 INFO L280 TraceCheckUtils]: 28: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,742 INFO L280 TraceCheckUtils]: 29: Hoare triple {15519#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,742 INFO L280 TraceCheckUtils]: 30: Hoare triple {15519#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,743 INFO L280 TraceCheckUtils]: 31: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,743 INFO L280 TraceCheckUtils]: 32: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !false; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,744 INFO L280 TraceCheckUtils]: 33: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,745 INFO L280 TraceCheckUtils]: 34: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,745 INFO L280 TraceCheckUtils]: 35: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~6); {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,746 INFO L280 TraceCheckUtils]: 36: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,746 INFO L280 TraceCheckUtils]: 37: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,747 INFO L280 TraceCheckUtils]: 38: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,748 INFO L280 TraceCheckUtils]: 39: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,748 INFO L280 TraceCheckUtils]: 40: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,749 INFO L280 TraceCheckUtils]: 41: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,750 INFO L280 TraceCheckUtils]: 42: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,750 INFO L280 TraceCheckUtils]: 43: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,751 INFO L280 TraceCheckUtils]: 44: Hoare triple {15520#(<= 1 ~waterLevel~0)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,751 INFO L280 TraceCheckUtils]: 45: Hoare triple {15520#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,752 INFO L280 TraceCheckUtils]: 46: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,753 INFO L280 TraceCheckUtils]: 47: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret23, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;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; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,753 INFO L280 TraceCheckUtils]: 48: Hoare triple {15520#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret23 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret23 && isLowWaterLevel_#t~ret23 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret23;havoc isLowWaterLevel_#t~ret23; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,754 INFO L280 TraceCheckUtils]: 49: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,754 INFO L280 TraceCheckUtils]: 50: Hoare triple {15520#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,755 INFO L280 TraceCheckUtils]: 51: Hoare triple {15520#(<= 1 ~waterLevel~0)} processEnvironment__wrappee__methaneQuery_#t~ret2 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret2 && processEnvironment__wrappee__methaneQuery_#t~ret2 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret2;havoc processEnvironment__wrappee__methaneQuery_#t~ret2; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,756 INFO L280 TraceCheckUtils]: 52: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,756 INFO L280 TraceCheckUtils]: 53: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:43,757 INFO L280 TraceCheckUtils]: 54: Hoare triple {15520#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {15521#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:43,758 INFO L280 TraceCheckUtils]: 55: Hoare triple {15521#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {15522#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} is VALID [2020-07-28 19:04:43,758 INFO L280 TraceCheckUtils]: 56: Hoare triple {15522#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {15517#false} is VALID [2020-07-28 19:04:43,759 INFO L280 TraceCheckUtils]: 57: Hoare triple {15517#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {15517#false} is VALID [2020-07-28 19:04:43,759 INFO L280 TraceCheckUtils]: 58: Hoare triple {15517#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {15517#false} is VALID [2020-07-28 19:04:43,759 INFO L280 TraceCheckUtils]: 59: Hoare triple {15517#false} assume !false; {15517#false} is VALID [2020-07-28 19:04:43,763 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 19:04:43,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212135143] [2020-07-28 19:04:43,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741285264] [2020-07-28 19:04:43,764 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 19:04:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:43,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-28 19:04:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:43,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:44,254 INFO L280 TraceCheckUtils]: 0: Hoare triple {15516#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {15516#true} is VALID [2020-07-28 19:04:44,255 INFO L280 TraceCheckUtils]: 1: Hoare triple {15516#true} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {15516#true} is VALID [2020-07-28 19:04:44,255 INFO L280 TraceCheckUtils]: 2: Hoare triple {15516#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {15516#true} is VALID [2020-07-28 19:04:44,255 INFO L280 TraceCheckUtils]: 3: Hoare triple {15516#true} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {15516#true} is VALID [2020-07-28 19:04:44,255 INFO L280 TraceCheckUtils]: 4: Hoare triple {15516#true} assume 0 != main_~tmp~11; {15516#true} is VALID [2020-07-28 19:04:44,255 INFO L280 TraceCheckUtils]: 5: Hoare triple {15516#true} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {15516#true} is VALID [2020-07-28 19:04:44,256 INFO L280 TraceCheckUtils]: 6: Hoare triple {15516#true} assume !false; {15516#true} is VALID [2020-07-28 19:04:44,256 INFO L280 TraceCheckUtils]: 7: Hoare triple {15516#true} assume test_~splverifierCounter~0 < 4; {15516#true} is VALID [2020-07-28 19:04:44,260 INFO L280 TraceCheckUtils]: 8: Hoare triple {15516#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {15516#true} is VALID [2020-07-28 19:04:44,261 INFO L280 TraceCheckUtils]: 9: Hoare triple {15516#true} assume 0 != test_~tmp~6; {15516#true} is VALID [2020-07-28 19:04:44,261 INFO L280 TraceCheckUtils]: 10: Hoare triple {15516#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {15516#true} is VALID [2020-07-28 19:04:44,261 INFO L280 TraceCheckUtils]: 11: Hoare triple {15516#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {15516#true} is VALID [2020-07-28 19:04:44,262 INFO L280 TraceCheckUtils]: 12: Hoare triple {15516#true} assume !(0 != test_~tmp___0~2); {15516#true} is VALID [2020-07-28 19:04:44,262 INFO L280 TraceCheckUtils]: 13: Hoare triple {15516#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {15516#true} is VALID [2020-07-28 19:04:44,262 INFO L280 TraceCheckUtils]: 14: Hoare triple {15516#true} assume 0 != test_~tmp___2~0; {15516#true} is VALID [2020-07-28 19:04:44,262 INFO L280 TraceCheckUtils]: 15: Hoare triple {15516#true} assume !(0 != ~pumpRunning~0); {15516#true} is VALID [2020-07-28 19:04:44,262 INFO L280 TraceCheckUtils]: 16: Hoare triple {15516#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {15516#true} is VALID [2020-07-28 19:04:44,263 INFO L280 TraceCheckUtils]: 17: Hoare triple {15516#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {15516#true} is VALID [2020-07-28 19:04:44,263 INFO L280 TraceCheckUtils]: 18: Hoare triple {15516#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {15516#true} is VALID [2020-07-28 19:04:44,263 INFO L280 TraceCheckUtils]: 19: Hoare triple {15516#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {15516#true} is VALID [2020-07-28 19:04:44,267 INFO L280 TraceCheckUtils]: 20: Hoare triple {15516#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,268 INFO L280 TraceCheckUtils]: 21: Hoare triple {15519#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,269 INFO L280 TraceCheckUtils]: 22: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,270 INFO L280 TraceCheckUtils]: 23: Hoare triple {15519#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,271 INFO L280 TraceCheckUtils]: 24: Hoare triple {15519#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,271 INFO L280 TraceCheckUtils]: 25: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,272 INFO L280 TraceCheckUtils]: 26: Hoare triple {15519#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,273 INFO L280 TraceCheckUtils]: 27: Hoare triple {15519#(<= 2 ~waterLevel~0)} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,273 INFO L280 TraceCheckUtils]: 28: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,274 INFO L280 TraceCheckUtils]: 29: Hoare triple {15519#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,274 INFO L280 TraceCheckUtils]: 30: Hoare triple {15519#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,275 INFO L280 TraceCheckUtils]: 31: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,277 INFO L280 TraceCheckUtils]: 32: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !false; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,278 INFO L280 TraceCheckUtils]: 33: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,278 INFO L280 TraceCheckUtils]: 34: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,279 INFO L280 TraceCheckUtils]: 35: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~6); {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,279 INFO L280 TraceCheckUtils]: 36: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,280 INFO L280 TraceCheckUtils]: 37: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,281 INFO L280 TraceCheckUtils]: 38: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,281 INFO L280 TraceCheckUtils]: 39: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,282 INFO L280 TraceCheckUtils]: 40: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {15519#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,283 INFO L280 TraceCheckUtils]: 41: Hoare triple {15519#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,283 INFO L280 TraceCheckUtils]: 42: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,284 INFO L280 TraceCheckUtils]: 43: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,285 INFO L280 TraceCheckUtils]: 44: Hoare triple {15520#(<= 1 ~waterLevel~0)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,286 INFO L280 TraceCheckUtils]: 45: Hoare triple {15520#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,286 INFO L280 TraceCheckUtils]: 46: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,287 INFO L280 TraceCheckUtils]: 47: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret23, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;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; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,290 INFO L280 TraceCheckUtils]: 48: Hoare triple {15520#(<= 1 ~waterLevel~0)} isLowWaterLevel_#t~ret23 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret23 && isLowWaterLevel_#t~ret23 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret23;havoc isLowWaterLevel_#t~ret23; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,290 INFO L280 TraceCheckUtils]: 49: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,291 INFO L280 TraceCheckUtils]: 50: Hoare triple {15520#(<= 1 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,292 INFO L280 TraceCheckUtils]: 51: Hoare triple {15520#(<= 1 ~waterLevel~0)} processEnvironment__wrappee__methaneQuery_#t~ret2 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret2 && processEnvironment__wrappee__methaneQuery_#t~ret2 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret2;havoc processEnvironment__wrappee__methaneQuery_#t~ret2; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,292 INFO L280 TraceCheckUtils]: 52: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,293 INFO L280 TraceCheckUtils]: 53: Hoare triple {15520#(<= 1 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {15520#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:44,294 INFO L280 TraceCheckUtils]: 54: Hoare triple {15520#(<= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {15521#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:04:44,295 INFO L280 TraceCheckUtils]: 55: Hoare triple {15521#(<= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {15522#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} is VALID [2020-07-28 19:04:44,296 INFO L280 TraceCheckUtils]: 56: Hoare triple {15522#(<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {15517#false} is VALID [2020-07-28 19:04:44,296 INFO L280 TraceCheckUtils]: 57: Hoare triple {15517#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {15517#false} is VALID [2020-07-28 19:04:44,296 INFO L280 TraceCheckUtils]: 58: Hoare triple {15517#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {15517#false} is VALID [2020-07-28 19:04:44,296 INFO L280 TraceCheckUtils]: 59: Hoare triple {15517#false} assume !false; {15517#false} is VALID [2020-07-28 19:04:44,304 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 19:04:44,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-28 19:04:44,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-07-28 19:04:44,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466262367] [2020-07-28 19:04:44,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-28 19:04:44,306 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:44,307 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:04:44,396 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 19:04:44,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:04:44,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:44,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:04:44,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:44,398 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand 7 states. [2020-07-28 19:04:48,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:48,062 INFO L93 Difference]: Finished difference Result 1156 states and 1524 transitions. [2020-07-28 19:04:48,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-28 19:04:48,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-28 19:04:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 486 transitions. [2020-07-28 19:04:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:04:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 486 transitions. [2020-07-28 19:04:48,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 486 transitions. [2020-07-28 19:04:48,627 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 486 edges. 486 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:48,663 INFO L225 Difference]: With dead ends: 1156 [2020-07-28 19:04:48,663 INFO L226 Difference]: Without dead ends: 838 [2020-07-28 19:04:48,664 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 19:04:48,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-07-28 19:04:49,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 458. [2020-07-28 19:04:49,815 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:49,815 INFO L82 GeneralOperation]: Start isEquivalent. First operand 838 states. Second operand 458 states. [2020-07-28 19:04:49,815 INFO L74 IsIncluded]: Start isIncluded. First operand 838 states. Second operand 458 states. [2020-07-28 19:04:49,815 INFO L87 Difference]: Start difference. First operand 838 states. Second operand 458 states. [2020-07-28 19:04:49,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:49,872 INFO L93 Difference]: Finished difference Result 838 states and 1073 transitions. [2020-07-28 19:04:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1073 transitions. [2020-07-28 19:04:49,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:49,875 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:49,875 INFO L74 IsIncluded]: Start isIncluded. First operand 458 states. Second operand 838 states. [2020-07-28 19:04:49,875 INFO L87 Difference]: Start difference. First operand 458 states. Second operand 838 states. [2020-07-28 19:04:49,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:49,920 INFO L93 Difference]: Finished difference Result 838 states and 1073 transitions. [2020-07-28 19:04:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1073 transitions. [2020-07-28 19:04:49,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:49,922 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:49,922 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:49,922 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:49,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-07-28 19:04:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 594 transitions. [2020-07-28 19:04:49,941 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 594 transitions. Word has length 60 [2020-07-28 19:04:49,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:49,942 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 594 transitions. [2020-07-28 19:04:49,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:04:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 594 transitions. [2020-07-28 19:04:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-28 19:04:49,944 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:49,944 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 19:04:50,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-28 19:04:50,158 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:50,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:50,159 INFO L82 PathProgramCache]: Analyzing trace with hash 791216067, now seen corresponding path program 2 times [2020-07-28 19:04:50,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:50,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384633304] [2020-07-28 19:04:50,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:50,386 INFO L280 TraceCheckUtils]: 0: Hoare triple {19580#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,387 INFO L280 TraceCheckUtils]: 1: Hoare triple {19582#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,388 INFO L280 TraceCheckUtils]: 2: Hoare triple {19582#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,389 INFO L280 TraceCheckUtils]: 3: Hoare triple {19582#(= 1 ~waterLevel~0)} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,389 INFO L280 TraceCheckUtils]: 4: Hoare triple {19582#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~11; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,390 INFO L280 TraceCheckUtils]: 5: Hoare triple {19582#(= 1 ~waterLevel~0)} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,391 INFO L280 TraceCheckUtils]: 6: Hoare triple {19582#(= 1 ~waterLevel~0)} assume !false; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,392 INFO L280 TraceCheckUtils]: 7: Hoare triple {19582#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,393 INFO L280 TraceCheckUtils]: 8: Hoare triple {19582#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,393 INFO L280 TraceCheckUtils]: 9: Hoare triple {19582#(= 1 ~waterLevel~0)} assume 0 != test_~tmp~6; {19582#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,394 INFO L280 TraceCheckUtils]: 10: Hoare triple {19582#(= 1 ~waterLevel~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,395 INFO L280 TraceCheckUtils]: 11: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,396 INFO L280 TraceCheckUtils]: 12: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,397 INFO L280 TraceCheckUtils]: 13: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,397 INFO L280 TraceCheckUtils]: 14: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,398 INFO L280 TraceCheckUtils]: 15: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,399 INFO L280 TraceCheckUtils]: 16: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,399 INFO L280 TraceCheckUtils]: 17: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,400 INFO L280 TraceCheckUtils]: 18: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,401 INFO L280 TraceCheckUtils]: 19: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,401 INFO L280 TraceCheckUtils]: 20: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,402 INFO L280 TraceCheckUtils]: 21: Hoare triple {19583#(<= 2 ~waterLevel~0)} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,403 INFO L280 TraceCheckUtils]: 22: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,404 INFO L280 TraceCheckUtils]: 23: Hoare triple {19583#(<= 2 ~waterLevel~0)} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,404 INFO L280 TraceCheckUtils]: 24: Hoare triple {19583#(<= 2 ~waterLevel~0)} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,405 INFO L280 TraceCheckUtils]: 25: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,406 INFO L280 TraceCheckUtils]: 26: Hoare triple {19583#(<= 2 ~waterLevel~0)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,407 INFO L280 TraceCheckUtils]: 27: Hoare triple {19583#(<= 2 ~waterLevel~0)} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,407 INFO L280 TraceCheckUtils]: 28: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,408 INFO L280 TraceCheckUtils]: 29: Hoare triple {19583#(<= 2 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,409 INFO L280 TraceCheckUtils]: 30: Hoare triple {19583#(<= 2 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,410 INFO L280 TraceCheckUtils]: 31: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,410 INFO L280 TraceCheckUtils]: 32: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !false; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,411 INFO L280 TraceCheckUtils]: 33: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,412 INFO L280 TraceCheckUtils]: 34: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,413 INFO L280 TraceCheckUtils]: 35: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp~6); {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,414 INFO L280 TraceCheckUtils]: 36: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,414 INFO L280 TraceCheckUtils]: 37: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,415 INFO L280 TraceCheckUtils]: 38: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,416 INFO L280 TraceCheckUtils]: 39: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,417 INFO L280 TraceCheckUtils]: 40: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {19583#(<= 2 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,418 INFO L280 TraceCheckUtils]: 41: Hoare triple {19583#(<= 2 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {19584#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,419 INFO L280 TraceCheckUtils]: 42: Hoare triple {19584#(<= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {19584#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,419 INFO L280 TraceCheckUtils]: 43: Hoare triple {19584#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {19584#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,420 INFO L280 TraceCheckUtils]: 44: Hoare triple {19584#(<= 1 ~waterLevel~0)} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {19584#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,421 INFO L280 TraceCheckUtils]: 45: Hoare triple {19584#(<= 1 ~waterLevel~0)} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {19584#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,421 INFO L280 TraceCheckUtils]: 46: Hoare triple {19584#(<= 1 ~waterLevel~0)} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {19584#(<= 1 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,423 INFO L280 TraceCheckUtils]: 47: Hoare triple {19584#(<= 1 ~waterLevel~0)} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret23, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;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; {19585#(and (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))} is VALID [2020-07-28 19:04:50,424 INFO L280 TraceCheckUtils]: 48: Hoare triple {19585#(and (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0))} isLowWaterLevel_#t~ret23 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret23 && isLowWaterLevel_#t~ret23 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret23;havoc isLowWaterLevel_#t~ret23; {19586#(and (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0))} is VALID [2020-07-28 19:04:50,425 INFO L280 TraceCheckUtils]: 49: Hoare triple {19586#(and (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0))} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {19581#false} is VALID [2020-07-28 19:04:50,425 INFO L280 TraceCheckUtils]: 50: Hoare triple {19581#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {19581#false} is VALID [2020-07-28 19:04:50,425 INFO L280 TraceCheckUtils]: 51: Hoare triple {19581#false} processEnvironment__wrappee__methaneQuery_#t~ret2 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret2 && processEnvironment__wrappee__methaneQuery_#t~ret2 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret2;havoc processEnvironment__wrappee__methaneQuery_#t~ret2; {19581#false} is VALID [2020-07-28 19:04:50,425 INFO L280 TraceCheckUtils]: 52: Hoare triple {19581#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19581#false} is VALID [2020-07-28 19:04:50,425 INFO L280 TraceCheckUtils]: 53: Hoare triple {19581#false} assume !(0 == ~pumpRunning~0); {19581#false} is VALID [2020-07-28 19:04:50,426 INFO L280 TraceCheckUtils]: 54: Hoare triple {19581#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {19581#false} is VALID [2020-07-28 19:04:50,426 INFO L280 TraceCheckUtils]: 55: Hoare triple {19581#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {19581#false} is VALID [2020-07-28 19:04:50,427 INFO L280 TraceCheckUtils]: 56: Hoare triple {19581#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {19581#false} is VALID [2020-07-28 19:04:50,427 INFO L280 TraceCheckUtils]: 57: Hoare triple {19581#false} assume !false; {19581#false} is VALID [2020-07-28 19:04:50,427 INFO L280 TraceCheckUtils]: 58: Hoare triple {19581#false} assume test_~splverifierCounter~0 < 4; {19581#false} is VALID [2020-07-28 19:04:50,427 INFO L280 TraceCheckUtils]: 59: Hoare triple {19581#false} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {19581#false} is VALID [2020-07-28 19:04:50,427 INFO L280 TraceCheckUtils]: 60: Hoare triple {19581#false} assume !(0 != test_~tmp~6); {19581#false} is VALID [2020-07-28 19:04:50,428 INFO L280 TraceCheckUtils]: 61: Hoare triple {19581#false} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {19581#false} is VALID [2020-07-28 19:04:50,428 INFO L280 TraceCheckUtils]: 62: Hoare triple {19581#false} assume !(0 != test_~tmp___0~2); {19581#false} is VALID [2020-07-28 19:04:50,428 INFO L280 TraceCheckUtils]: 63: Hoare triple {19581#false} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {19581#false} is VALID [2020-07-28 19:04:50,428 INFO L280 TraceCheckUtils]: 64: Hoare triple {19581#false} assume 0 != test_~tmp___2~0; {19581#false} is VALID [2020-07-28 19:04:50,429 INFO L280 TraceCheckUtils]: 65: Hoare triple {19581#false} assume 0 != ~pumpRunning~0; {19581#false} is VALID [2020-07-28 19:04:50,429 INFO L280 TraceCheckUtils]: 66: Hoare triple {19581#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {19581#false} is VALID [2020-07-28 19:04:50,429 INFO L280 TraceCheckUtils]: 67: Hoare triple {19581#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {19581#false} is VALID [2020-07-28 19:04:50,429 INFO L280 TraceCheckUtils]: 68: Hoare triple {19581#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {19581#false} is VALID [2020-07-28 19:04:50,430 INFO L280 TraceCheckUtils]: 69: Hoare triple {19581#false} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {19581#false} is VALID [2020-07-28 19:04:50,430 INFO L280 TraceCheckUtils]: 70: Hoare triple {19581#false} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {19581#false} is VALID [2020-07-28 19:04:50,430 INFO L280 TraceCheckUtils]: 71: Hoare triple {19581#false} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {19581#false} is VALID [2020-07-28 19:04:50,431 INFO L280 TraceCheckUtils]: 72: Hoare triple {19581#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret23, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;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; {19581#false} is VALID [2020-07-28 19:04:50,431 INFO L280 TraceCheckUtils]: 73: Hoare triple {19581#false} isLowWaterLevel_#t~ret23 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret23 && isLowWaterLevel_#t~ret23 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret23;havoc isLowWaterLevel_#t~ret23; {19581#false} is VALID [2020-07-28 19:04:50,431 INFO L280 TraceCheckUtils]: 74: Hoare triple {19581#false} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {19581#false} is VALID [2020-07-28 19:04:50,431 INFO L280 TraceCheckUtils]: 75: Hoare triple {19581#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {19581#false} is VALID [2020-07-28 19:04:50,432 INFO L280 TraceCheckUtils]: 76: Hoare triple {19581#false} processEnvironment__wrappee__methaneQuery_#t~ret2 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret2 && processEnvironment__wrappee__methaneQuery_#t~ret2 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret2;havoc processEnvironment__wrappee__methaneQuery_#t~ret2; {19581#false} is VALID [2020-07-28 19:04:50,432 INFO L280 TraceCheckUtils]: 77: Hoare triple {19581#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19581#false} is VALID [2020-07-28 19:04:50,432 INFO L280 TraceCheckUtils]: 78: Hoare triple {19581#false} assume !(0 == ~pumpRunning~0); {19581#false} is VALID [2020-07-28 19:04:50,433 INFO L280 TraceCheckUtils]: 79: Hoare triple {19581#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {19581#false} is VALID [2020-07-28 19:04:50,433 INFO L280 TraceCheckUtils]: 80: Hoare triple {19581#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {19581#false} is VALID [2020-07-28 19:04:50,433 INFO L280 TraceCheckUtils]: 81: Hoare triple {19581#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {19581#false} is VALID [2020-07-28 19:04:50,434 INFO L280 TraceCheckUtils]: 82: Hoare triple {19581#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {19581#false} is VALID [2020-07-28 19:04:50,434 INFO L280 TraceCheckUtils]: 83: Hoare triple {19581#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {19581#false} is VALID [2020-07-28 19:04:50,434 INFO L280 TraceCheckUtils]: 84: Hoare triple {19581#false} assume !false; {19581#false} is VALID [2020-07-28 19:04:50,446 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 19:04:50,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384633304] [2020-07-28 19:04:50,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438158186] [2020-07-28 19:04:50,447 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 19:04:50,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-28 19:04:50,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-28 19:04:50,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-28 19:04:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:50,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 19:04:50,881 INFO L342 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-28 19:04:50,882 INFO L523 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-28 19:04:50,927 INFO L280 TraceCheckUtils]: 0: Hoare triple {19580#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {19580#true} is VALID [2020-07-28 19:04:50,928 INFO L280 TraceCheckUtils]: 1: Hoare triple {19580#true} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {19580#true} is VALID [2020-07-28 19:04:50,928 INFO L280 TraceCheckUtils]: 2: Hoare triple {19580#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {19580#true} is VALID [2020-07-28 19:04:50,928 INFO L280 TraceCheckUtils]: 3: Hoare triple {19580#true} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {19580#true} is VALID [2020-07-28 19:04:50,928 INFO L280 TraceCheckUtils]: 4: Hoare triple {19580#true} assume 0 != main_~tmp~11; {19580#true} is VALID [2020-07-28 19:04:50,928 INFO L280 TraceCheckUtils]: 5: Hoare triple {19580#true} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {19580#true} is VALID [2020-07-28 19:04:50,929 INFO L280 TraceCheckUtils]: 6: Hoare triple {19580#true} assume !false; {19580#true} is VALID [2020-07-28 19:04:50,929 INFO L280 TraceCheckUtils]: 7: Hoare triple {19580#true} assume test_~splverifierCounter~0 < 4; {19580#true} is VALID [2020-07-28 19:04:50,929 INFO L280 TraceCheckUtils]: 8: Hoare triple {19580#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {19580#true} is VALID [2020-07-28 19:04:50,929 INFO L280 TraceCheckUtils]: 9: Hoare triple {19580#true} assume 0 != test_~tmp~6; {19580#true} is VALID [2020-07-28 19:04:50,929 INFO L280 TraceCheckUtils]: 10: Hoare triple {19580#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {19580#true} is VALID [2020-07-28 19:04:50,929 INFO L280 TraceCheckUtils]: 11: Hoare triple {19580#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {19580#true} is VALID [2020-07-28 19:04:50,930 INFO L280 TraceCheckUtils]: 12: Hoare triple {19580#true} assume !(0 != test_~tmp___0~2); {19580#true} is VALID [2020-07-28 19:04:50,930 INFO L280 TraceCheckUtils]: 13: Hoare triple {19580#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {19580#true} is VALID [2020-07-28 19:04:50,930 INFO L280 TraceCheckUtils]: 14: Hoare triple {19580#true} assume 0 != test_~tmp___2~0; {19580#true} is VALID [2020-07-28 19:04:50,930 INFO L280 TraceCheckUtils]: 15: Hoare triple {19580#true} assume !(0 != ~pumpRunning~0); {19580#true} is VALID [2020-07-28 19:04:50,930 INFO L280 TraceCheckUtils]: 16: Hoare triple {19580#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {19580#true} is VALID [2020-07-28 19:04:50,931 INFO L280 TraceCheckUtils]: 17: Hoare triple {19580#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {19580#true} is VALID [2020-07-28 19:04:50,931 INFO L280 TraceCheckUtils]: 18: Hoare triple {19580#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19580#true} is VALID [2020-07-28 19:04:50,931 INFO L280 TraceCheckUtils]: 19: Hoare triple {19580#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {19580#true} is VALID [2020-07-28 19:04:50,931 INFO L280 TraceCheckUtils]: 20: Hoare triple {19580#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {19580#true} is VALID [2020-07-28 19:04:50,931 INFO L280 TraceCheckUtils]: 21: Hoare triple {19580#true} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {19580#true} is VALID [2020-07-28 19:04:50,931 INFO L280 TraceCheckUtils]: 22: Hoare triple {19580#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {19580#true} is VALID [2020-07-28 19:04:50,932 INFO L280 TraceCheckUtils]: 23: Hoare triple {19580#true} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {19580#true} is VALID [2020-07-28 19:04:50,932 INFO L280 TraceCheckUtils]: 24: Hoare triple {19580#true} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {19580#true} is VALID [2020-07-28 19:04:50,932 INFO L280 TraceCheckUtils]: 25: Hoare triple {19580#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {19580#true} is VALID [2020-07-28 19:04:50,932 INFO L280 TraceCheckUtils]: 26: Hoare triple {19580#true} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {19580#true} is VALID [2020-07-28 19:04:50,932 INFO L280 TraceCheckUtils]: 27: Hoare triple {19580#true} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {19580#true} is VALID [2020-07-28 19:04:50,933 INFO L280 TraceCheckUtils]: 28: Hoare triple {19580#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {19580#true} is VALID [2020-07-28 19:04:50,933 INFO L280 TraceCheckUtils]: 29: Hoare triple {19580#true} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {19580#true} is VALID [2020-07-28 19:04:50,933 INFO L280 TraceCheckUtils]: 30: Hoare triple {19580#true} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {19580#true} is VALID [2020-07-28 19:04:50,933 INFO L280 TraceCheckUtils]: 31: Hoare triple {19580#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {19580#true} is VALID [2020-07-28 19:04:50,933 INFO L280 TraceCheckUtils]: 32: Hoare triple {19580#true} assume !false; {19580#true} is VALID [2020-07-28 19:04:50,933 INFO L280 TraceCheckUtils]: 33: Hoare triple {19580#true} assume test_~splverifierCounter~0 < 4; {19580#true} is VALID [2020-07-28 19:04:50,934 INFO L280 TraceCheckUtils]: 34: Hoare triple {19580#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {19580#true} is VALID [2020-07-28 19:04:50,934 INFO L280 TraceCheckUtils]: 35: Hoare triple {19580#true} assume !(0 != test_~tmp~6); {19580#true} is VALID [2020-07-28 19:04:50,934 INFO L280 TraceCheckUtils]: 36: Hoare triple {19580#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {19580#true} is VALID [2020-07-28 19:04:50,934 INFO L280 TraceCheckUtils]: 37: Hoare triple {19580#true} assume !(0 != test_~tmp___0~2); {19580#true} is VALID [2020-07-28 19:04:50,934 INFO L280 TraceCheckUtils]: 38: Hoare triple {19580#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {19580#true} is VALID [2020-07-28 19:04:50,934 INFO L280 TraceCheckUtils]: 39: Hoare triple {19580#true} assume 0 != test_~tmp___2~0; {19580#true} is VALID [2020-07-28 19:04:50,935 INFO L280 TraceCheckUtils]: 40: Hoare triple {19580#true} assume 0 != ~pumpRunning~0; {19580#true} is VALID [2020-07-28 19:04:50,935 INFO L280 TraceCheckUtils]: 41: Hoare triple {19580#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {19580#true} is VALID [2020-07-28 19:04:50,935 INFO L280 TraceCheckUtils]: 42: Hoare triple {19580#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {19580#true} is VALID [2020-07-28 19:04:50,935 INFO L280 TraceCheckUtils]: 43: Hoare triple {19580#true} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {19580#true} is VALID [2020-07-28 19:04:50,935 INFO L280 TraceCheckUtils]: 44: Hoare triple {19580#true} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {19580#true} is VALID [2020-07-28 19:04:50,935 INFO L280 TraceCheckUtils]: 45: Hoare triple {19580#true} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {19580#true} is VALID [2020-07-28 19:04:50,936 INFO L280 TraceCheckUtils]: 46: Hoare triple {19580#true} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {19580#true} is VALID [2020-07-28 19:04:50,937 INFO L280 TraceCheckUtils]: 47: Hoare triple {19580#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret23, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;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; {19731#(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 19:04:50,938 INFO L280 TraceCheckUtils]: 48: Hoare triple {19731#(or (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0))) (and (= 1 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ~waterLevel~0)))} isLowWaterLevel_#t~ret23 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret23 && isLowWaterLevel_#t~ret23 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret23;havoc isLowWaterLevel_#t~ret23; {19735#(or (and (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= 0 ~waterLevel~0)) (and (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (not (= 0 ~waterLevel~0))))} is VALID [2020-07-28 19:04:50,938 INFO L280 TraceCheckUtils]: 49: Hoare triple {19735#(or (and (= 1 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= 0 ~waterLevel~0)) (and (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (not (= 0 ~waterLevel~0))))} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,939 INFO L280 TraceCheckUtils]: 50: Hoare triple {19739#(= 0 ~waterLevel~0)} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,939 INFO L280 TraceCheckUtils]: 51: Hoare triple {19739#(= 0 ~waterLevel~0)} processEnvironment__wrappee__methaneQuery_#t~ret2 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret2 && processEnvironment__wrappee__methaneQuery_#t~ret2 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret2;havoc processEnvironment__wrappee__methaneQuery_#t~ret2; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,940 INFO L280 TraceCheckUtils]: 52: Hoare triple {19739#(= 0 ~waterLevel~0)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,940 INFO L280 TraceCheckUtils]: 53: Hoare triple {19739#(= 0 ~waterLevel~0)} assume !(0 == ~pumpRunning~0); {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,941 INFO L280 TraceCheckUtils]: 54: Hoare triple {19739#(= 0 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,941 INFO L280 TraceCheckUtils]: 55: Hoare triple {19739#(= 0 ~waterLevel~0)} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,942 INFO L280 TraceCheckUtils]: 56: Hoare triple {19739#(= 0 ~waterLevel~0)} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,942 INFO L280 TraceCheckUtils]: 57: Hoare triple {19739#(= 0 ~waterLevel~0)} assume !false; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,943 INFO L280 TraceCheckUtils]: 58: Hoare triple {19739#(= 0 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,943 INFO L280 TraceCheckUtils]: 59: Hoare triple {19739#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,944 INFO L280 TraceCheckUtils]: 60: Hoare triple {19739#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp~6); {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,944 INFO L280 TraceCheckUtils]: 61: Hoare triple {19739#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,945 INFO L280 TraceCheckUtils]: 62: Hoare triple {19739#(= 0 ~waterLevel~0)} assume !(0 != test_~tmp___0~2); {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,946 INFO L280 TraceCheckUtils]: 63: Hoare triple {19739#(= 0 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,946 INFO L280 TraceCheckUtils]: 64: Hoare triple {19739#(= 0 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,947 INFO L280 TraceCheckUtils]: 65: Hoare triple {19739#(= 0 ~waterLevel~0)} assume 0 != ~pumpRunning~0; {19739#(= 0 ~waterLevel~0)} is VALID [2020-07-28 19:04:50,947 INFO L280 TraceCheckUtils]: 66: Hoare triple {19739#(= 0 ~waterLevel~0)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {19581#false} is VALID [2020-07-28 19:04:50,947 INFO L280 TraceCheckUtils]: 67: Hoare triple {19581#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {19581#false} is VALID [2020-07-28 19:04:50,948 INFO L280 TraceCheckUtils]: 68: Hoare triple {19581#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {19581#false} is VALID [2020-07-28 19:04:50,948 INFO L280 TraceCheckUtils]: 69: Hoare triple {19581#false} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {19581#false} is VALID [2020-07-28 19:04:50,948 INFO L280 TraceCheckUtils]: 70: Hoare triple {19581#false} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {19581#false} is VALID [2020-07-28 19:04:50,948 INFO L280 TraceCheckUtils]: 71: Hoare triple {19581#false} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {19581#false} is VALID [2020-07-28 19:04:50,948 INFO L280 TraceCheckUtils]: 72: Hoare triple {19581#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret23, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;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; {19581#false} is VALID [2020-07-28 19:04:50,949 INFO L280 TraceCheckUtils]: 73: Hoare triple {19581#false} isLowWaterLevel_#t~ret23 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret23 && isLowWaterLevel_#t~ret23 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret23;havoc isLowWaterLevel_#t~ret23; {19581#false} is VALID [2020-07-28 19:04:50,949 INFO L280 TraceCheckUtils]: 74: Hoare triple {19581#false} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {19581#false} is VALID [2020-07-28 19:04:50,949 INFO L280 TraceCheckUtils]: 75: Hoare triple {19581#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {19581#false} is VALID [2020-07-28 19:04:50,949 INFO L280 TraceCheckUtils]: 76: Hoare triple {19581#false} processEnvironment__wrappee__methaneQuery_#t~ret2 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret2 && processEnvironment__wrappee__methaneQuery_#t~ret2 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret2;havoc processEnvironment__wrappee__methaneQuery_#t~ret2; {19581#false} is VALID [2020-07-28 19:04:50,949 INFO L280 TraceCheckUtils]: 77: Hoare triple {19581#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {19581#false} is VALID [2020-07-28 19:04:50,949 INFO L280 TraceCheckUtils]: 78: Hoare triple {19581#false} assume !(0 == ~pumpRunning~0); {19581#false} is VALID [2020-07-28 19:04:50,950 INFO L280 TraceCheckUtils]: 79: Hoare triple {19581#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {19581#false} is VALID [2020-07-28 19:04:50,950 INFO L280 TraceCheckUtils]: 80: Hoare triple {19581#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {19581#false} is VALID [2020-07-28 19:04:50,950 INFO L280 TraceCheckUtils]: 81: Hoare triple {19581#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {19581#false} is VALID [2020-07-28 19:04:50,950 INFO L280 TraceCheckUtils]: 82: Hoare triple {19581#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {19581#false} is VALID [2020-07-28 19:04:50,950 INFO L280 TraceCheckUtils]: 83: Hoare triple {19581#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {19581#false} is VALID [2020-07-28 19:04:50,951 INFO L280 TraceCheckUtils]: 84: Hoare triple {19581#false} assume !false; {19581#false} is VALID [2020-07-28 19:04:50,956 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 19:04:50,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-28 19:04:50,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2020-07-28 19:04:50,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651201642] [2020-07-28 19:04:50,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-28 19:04:50,957 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:50,958 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:04:51,050 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 19:04:51,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:04:51,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:51,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:04:51,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-28 19:04:51,052 INFO L87 Difference]: Start difference. First operand 458 states and 594 transitions. Second operand 5 states. [2020-07-28 19:04:55,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:55,065 INFO L93 Difference]: Finished difference Result 1485 states and 1930 transitions. [2020-07-28 19:04:55,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:04:55,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-28 19:04:55,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:04:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 320 transitions. [2020-07-28 19:04:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:04:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 320 transitions. [2020-07-28 19:04:55,073 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 320 transitions. [2020-07-28 19:04:55,481 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 320 edges. 320 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:04:55,530 INFO L225 Difference]: With dead ends: 1485 [2020-07-28 19:04:55,531 INFO L226 Difference]: Without dead ends: 1031 [2020-07-28 19:04:55,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-07-28 19:04:55,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2020-07-28 19:04:57,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 624. [2020-07-28 19:04:57,316 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:04:57,316 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1031 states. Second operand 624 states. [2020-07-28 19:04:57,316 INFO L74 IsIncluded]: Start isIncluded. First operand 1031 states. Second operand 624 states. [2020-07-28 19:04:57,316 INFO L87 Difference]: Start difference. First operand 1031 states. Second operand 624 states. [2020-07-28 19:04:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:57,385 INFO L93 Difference]: Finished difference Result 1031 states and 1316 transitions. [2020-07-28 19:04:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1316 transitions. [2020-07-28 19:04:57,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:57,387 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:57,388 INFO L74 IsIncluded]: Start isIncluded. First operand 624 states. Second operand 1031 states. [2020-07-28 19:04:57,388 INFO L87 Difference]: Start difference. First operand 624 states. Second operand 1031 states. [2020-07-28 19:04:57,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:04:57,503 INFO L93 Difference]: Finished difference Result 1031 states and 1316 transitions. [2020-07-28 19:04:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1316 transitions. [2020-07-28 19:04:57,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:04:57,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:04:57,506 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:04:57,506 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:04:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-07-28 19:04:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 801 transitions. [2020-07-28 19:04:57,554 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 801 transitions. Word has length 85 [2020-07-28 19:04:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:04:57,554 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 801 transitions. [2020-07-28 19:04:57,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:04:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 801 transitions. [2020-07-28 19:04:57,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-28 19:04:57,556 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:04:57,557 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 19:04:57,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-28 19:04:57,775 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:04:57,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:04:57,775 INFO L82 PathProgramCache]: Analyzing trace with hash 396849281, now seen corresponding path program 1 times [2020-07-28 19:04:57,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:04:57,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431045856] [2020-07-28 19:04:57,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:04:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:04:57,886 INFO L280 TraceCheckUtils]: 0: Hoare triple {24743#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; {24743#true} is VALID [2020-07-28 19:04:57,887 INFO L280 TraceCheckUtils]: 1: Hoare triple {24743#true} havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; {24743#true} is VALID [2020-07-28 19:04:57,888 INFO L280 TraceCheckUtils]: 2: Hoare triple {24743#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; {24745#(= 1 |ULTIMATE.start_valid_product_#res|)} is VALID [2020-07-28 19:04:57,889 INFO L280 TraceCheckUtils]: 3: Hoare triple {24745#(= 1 |ULTIMATE.start_valid_product_#res|)} main_#t~ret75 := valid_product_#res;assume -2147483648 <= main_#t~ret75 && main_#t~ret75 <= 2147483647;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; {24746#(= 1 ULTIMATE.start_main_~tmp~11)} is VALID [2020-07-28 19:04:57,889 INFO L280 TraceCheckUtils]: 4: Hoare triple {24746#(= 1 ULTIMATE.start_main_~tmp~11)} assume 0 != main_~tmp~11; {24743#true} is VALID [2020-07-28 19:04:57,889 INFO L280 TraceCheckUtils]: 5: Hoare triple {24743#true} havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {24743#true} is VALID [2020-07-28 19:04:57,889 INFO L280 TraceCheckUtils]: 6: Hoare triple {24743#true} assume !false; {24743#true} is VALID [2020-07-28 19:04:57,889 INFO L280 TraceCheckUtils]: 7: Hoare triple {24743#true} assume test_~splverifierCounter~0 < 4; {24743#true} is VALID [2020-07-28 19:04:57,889 INFO L280 TraceCheckUtils]: 8: Hoare triple {24743#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {24743#true} is VALID [2020-07-28 19:04:57,890 INFO L280 TraceCheckUtils]: 9: Hoare triple {24743#true} assume 0 != test_~tmp~6; {24743#true} is VALID [2020-07-28 19:04:57,890 INFO L280 TraceCheckUtils]: 10: Hoare triple {24743#true} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {24743#true} is VALID [2020-07-28 19:04:57,890 INFO L280 TraceCheckUtils]: 11: Hoare triple {24743#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {24743#true} is VALID [2020-07-28 19:04:57,890 INFO L280 TraceCheckUtils]: 12: Hoare triple {24743#true} assume !(0 != test_~tmp___0~2); {24743#true} is VALID [2020-07-28 19:04:57,890 INFO L280 TraceCheckUtils]: 13: Hoare triple {24743#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {24743#true} is VALID [2020-07-28 19:04:57,890 INFO L280 TraceCheckUtils]: 14: Hoare triple {24743#true} assume 0 != test_~tmp___2~0; {24743#true} is VALID [2020-07-28 19:04:57,891 INFO L280 TraceCheckUtils]: 15: Hoare triple {24743#true} assume !(0 != ~pumpRunning~0); {24743#true} is VALID [2020-07-28 19:04:57,891 INFO L280 TraceCheckUtils]: 16: Hoare triple {24743#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {24743#true} is VALID [2020-07-28 19:04:57,891 INFO L280 TraceCheckUtils]: 17: Hoare triple {24743#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {24743#true} is VALID [2020-07-28 19:04:57,891 INFO L280 TraceCheckUtils]: 18: Hoare triple {24743#true} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {24743#true} is VALID [2020-07-28 19:04:57,892 INFO L280 TraceCheckUtils]: 19: Hoare triple {24743#true} assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; {24743#true} is VALID [2020-07-28 19:04:57,892 INFO L280 TraceCheckUtils]: 20: Hoare triple {24743#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~8 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; {24743#true} is VALID [2020-07-28 19:04:57,892 INFO L280 TraceCheckUtils]: 21: Hoare triple {24743#true} isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;assume -2147483648 <= isHighWaterLevel_#t~ret22 && isHighWaterLevel_#t~ret22 <= 2147483647;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; {24743#true} is VALID [2020-07-28 19:04:57,892 INFO L280 TraceCheckUtils]: 22: Hoare triple {24743#true} assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~0 := 1; {24743#true} is VALID [2020-07-28 19:04:57,892 INFO L280 TraceCheckUtils]: 23: Hoare triple {24743#true} isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; {24743#true} is VALID [2020-07-28 19:04:57,893 INFO L280 TraceCheckUtils]: 24: Hoare triple {24743#true} processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__highWaterSensor_#t~ret1 && processEnvironment__wrappee__highWaterSensor_#t~ret1 <= 2147483647;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; {24743#true} is VALID [2020-07-28 19:04:57,893 INFO L280 TraceCheckUtils]: 25: Hoare triple {24743#true} assume 0 != processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc activatePump_#t~ret4, activatePump_~tmp~3;havoc activatePump_~tmp~3;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {24743#true} is VALID [2020-07-28 19:04:57,893 INFO L280 TraceCheckUtils]: 26: Hoare triple {24743#true} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {24743#true} is VALID [2020-07-28 19:04:57,893 INFO L280 TraceCheckUtils]: 27: Hoare triple {24743#true} activatePump_#t~ret4 := isMethaneAlarm_#res;assume -2147483648 <= activatePump_#t~ret4 && activatePump_#t~ret4 <= 2147483647;activatePump_~tmp~3 := activatePump_#t~ret4;havoc activatePump_#t~ret4; {24743#true} is VALID [2020-07-28 19:04:57,893 INFO L280 TraceCheckUtils]: 28: Hoare triple {24743#true} assume !(0 != activatePump_~tmp~3);~pumpRunning~0 := 1; {24743#true} is VALID [2020-07-28 19:04:57,893 INFO L280 TraceCheckUtils]: 29: Hoare triple {24743#true} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {24743#true} is VALID [2020-07-28 19:04:57,894 INFO L280 TraceCheckUtils]: 30: Hoare triple {24743#true} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {24743#true} is VALID [2020-07-28 19:04:57,894 INFO L280 TraceCheckUtils]: 31: Hoare triple {24743#true} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {24743#true} is VALID [2020-07-28 19:04:57,894 INFO L280 TraceCheckUtils]: 32: Hoare triple {24743#true} assume !false; {24743#true} is VALID [2020-07-28 19:04:57,894 INFO L280 TraceCheckUtils]: 33: Hoare triple {24743#true} assume test_~splverifierCounter~0 < 4; {24743#true} is VALID [2020-07-28 19:04:57,895 INFO L280 TraceCheckUtils]: 34: Hoare triple {24743#true} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {24743#true} is VALID [2020-07-28 19:04:57,895 INFO L280 TraceCheckUtils]: 35: Hoare triple {24743#true} assume !(0 != test_~tmp~6); {24743#true} is VALID [2020-07-28 19:04:57,895 INFO L280 TraceCheckUtils]: 36: Hoare triple {24743#true} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {24743#true} is VALID [2020-07-28 19:04:57,895 INFO L280 TraceCheckUtils]: 37: Hoare triple {24743#true} assume !(0 != test_~tmp___0~2); {24743#true} is VALID [2020-07-28 19:04:57,895 INFO L280 TraceCheckUtils]: 38: Hoare triple {24743#true} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {24743#true} is VALID [2020-07-28 19:04:57,896 INFO L280 TraceCheckUtils]: 39: Hoare triple {24743#true} assume 0 != test_~tmp___2~0; {24743#true} is VALID [2020-07-28 19:04:57,896 INFO L280 TraceCheckUtils]: 40: Hoare triple {24743#true} assume 0 != ~pumpRunning~0; {24743#true} is VALID [2020-07-28 19:04:57,896 INFO L280 TraceCheckUtils]: 41: Hoare triple {24743#true} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {24743#true} is VALID [2020-07-28 19:04:57,896 INFO L280 TraceCheckUtils]: 42: Hoare triple {24743#true} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {24743#true} is VALID [2020-07-28 19:04:57,897 INFO L280 TraceCheckUtils]: 43: Hoare triple {24743#true} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {24743#true} is VALID [2020-07-28 19:04:57,897 INFO L280 TraceCheckUtils]: 44: Hoare triple {24743#true} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {24743#true} is VALID [2020-07-28 19:04:57,897 INFO L280 TraceCheckUtils]: 45: Hoare triple {24743#true} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {24743#true} is VALID [2020-07-28 19:04:57,897 INFO L280 TraceCheckUtils]: 46: Hoare triple {24743#true} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {24743#true} is VALID [2020-07-28 19:04:57,898 INFO L280 TraceCheckUtils]: 47: Hoare triple {24743#true} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret23, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;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; {24743#true} is VALID [2020-07-28 19:04:57,898 INFO L280 TraceCheckUtils]: 48: Hoare triple {24743#true} isLowWaterLevel_#t~ret23 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret23 && isLowWaterLevel_#t~ret23 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret23;havoc isLowWaterLevel_#t~ret23; {24743#true} is VALID [2020-07-28 19:04:57,899 INFO L280 TraceCheckUtils]: 49: Hoare triple {24743#true} assume !(0 != isLowWaterLevel_~tmp~5);isLowWaterLevel_~tmp___0~1 := 1; {24747#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1))} is VALID [2020-07-28 19:04:57,900 INFO L280 TraceCheckUtils]: 50: Hoare triple {24747#(not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1))} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {24748#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} is VALID [2020-07-28 19:04:57,901 INFO L280 TraceCheckUtils]: 51: Hoare triple {24748#(not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|))} processEnvironment__wrappee__methaneQuery_#t~ret2 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret2 && processEnvironment__wrappee__methaneQuery_#t~ret2 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret2;havoc processEnvironment__wrappee__methaneQuery_#t~ret2; {24749#(not (= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~1))} is VALID [2020-07-28 19:04:57,902 INFO L280 TraceCheckUtils]: 52: Hoare triple {24749#(not (= 0 ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~1))} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {24744#false} is VALID [2020-07-28 19:04:57,902 INFO L280 TraceCheckUtils]: 53: Hoare triple {24744#false} assume !(0 == ~pumpRunning~0); {24744#false} is VALID [2020-07-28 19:04:57,902 INFO L280 TraceCheckUtils]: 54: Hoare triple {24744#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {24744#false} is VALID [2020-07-28 19:04:57,902 INFO L280 TraceCheckUtils]: 55: Hoare triple {24744#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {24744#false} is VALID [2020-07-28 19:04:57,903 INFO L280 TraceCheckUtils]: 56: Hoare triple {24744#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); {24744#false} is VALID [2020-07-28 19:04:57,903 INFO L280 TraceCheckUtils]: 57: Hoare triple {24744#false} assume !false; {24744#false} is VALID [2020-07-28 19:04:57,903 INFO L280 TraceCheckUtils]: 58: Hoare triple {24744#false} assume test_~splverifierCounter~0 < 4; {24744#false} is VALID [2020-07-28 19:04:57,903 INFO L280 TraceCheckUtils]: 59: Hoare triple {24744#false} assume -2147483648 <= test_#t~nondet24 && test_#t~nondet24 <= 2147483647;test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; {24744#false} is VALID [2020-07-28 19:04:57,904 INFO L280 TraceCheckUtils]: 60: Hoare triple {24744#false} assume !(0 != test_~tmp~6); {24744#false} is VALID [2020-07-28 19:04:57,904 INFO L280 TraceCheckUtils]: 61: Hoare triple {24744#false} assume -2147483648 <= test_#t~nondet25 && test_#t~nondet25 <= 2147483647;test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; {24744#false} is VALID [2020-07-28 19:04:57,904 INFO L280 TraceCheckUtils]: 62: Hoare triple {24744#false} assume !(0 != test_~tmp___0~2); {24744#false} is VALID [2020-07-28 19:04:57,904 INFO L280 TraceCheckUtils]: 63: Hoare triple {24744#false} assume -2147483648 <= test_#t~nondet26 && test_#t~nondet26 <= 2147483647;test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; {24744#false} is VALID [2020-07-28 19:04:57,904 INFO L280 TraceCheckUtils]: 64: Hoare triple {24744#false} assume 0 != test_~tmp___2~0; {24744#false} is VALID [2020-07-28 19:04:57,904 INFO L280 TraceCheckUtils]: 65: Hoare triple {24744#false} assume 0 != ~pumpRunning~0; {24744#false} is VALID [2020-07-28 19:04:57,905 INFO L280 TraceCheckUtils]: 66: Hoare triple {24744#false} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {24744#false} is VALID [2020-07-28 19:04:57,905 INFO L280 TraceCheckUtils]: 67: Hoare triple {24744#false} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; {24744#false} is VALID [2020-07-28 19:04:57,905 INFO L280 TraceCheckUtils]: 68: Hoare triple {24744#false} assume 0 != ~pumpRunning~0;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret5, isMethaneAlarm_~retValue_acc~2;havoc isMethaneAlarm_~retValue_acc~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {24744#false} is VALID [2020-07-28 19:04:57,905 INFO L280 TraceCheckUtils]: 69: Hoare triple {24744#false} isMethaneAlarm_#t~ret5 := isMethaneLevelCritical_#res;assume -2147483648 <= isMethaneAlarm_#t~ret5 && isMethaneAlarm_#t~ret5 <= 2147483647;isMethaneAlarm_~retValue_acc~2 := isMethaneAlarm_#t~ret5;havoc isMethaneAlarm_#t~ret5;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~2; {24744#false} is VALID [2020-07-28 19:04:57,905 INFO L280 TraceCheckUtils]: 70: Hoare triple {24744#false} processEnvironment_#t~ret3 := isMethaneAlarm_#res;assume -2147483648 <= processEnvironment_#t~ret3 && processEnvironment_#t~ret3 <= 2147483647;processEnvironment_~tmp~2 := processEnvironment_#t~ret3;havoc processEnvironment_#t~ret3; {24744#false} is VALID [2020-07-28 19:04:57,905 INFO L280 TraceCheckUtils]: 71: Hoare triple {24744#false} assume !(0 != processEnvironment_~tmp~2);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; {24744#false} is VALID [2020-07-28 19:04:57,906 INFO L280 TraceCheckUtils]: 72: Hoare triple {24744#false} assume 0 != ~pumpRunning~0;havoc isLowWaterLevel_#res;havoc isLowWaterLevel_#t~ret23, isLowWaterLevel_~retValue_acc~5, isLowWaterLevel_~tmp~5, isLowWaterLevel_~tmp___0~1;havoc isLowWaterLevel_~retValue_acc~5;havoc isLowWaterLevel_~tmp~5;havoc isLowWaterLevel_~tmp___0~1;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; {24744#false} is VALID [2020-07-28 19:04:57,906 INFO L280 TraceCheckUtils]: 73: Hoare triple {24744#false} isLowWaterLevel_#t~ret23 := isLowWaterSensorDry_#res;assume -2147483648 <= isLowWaterLevel_#t~ret23 && isLowWaterLevel_#t~ret23 <= 2147483647;isLowWaterLevel_~tmp~5 := isLowWaterLevel_#t~ret23;havoc isLowWaterLevel_#t~ret23; {24744#false} is VALID [2020-07-28 19:04:57,907 INFO L280 TraceCheckUtils]: 74: Hoare triple {24744#false} assume 0 != isLowWaterLevel_~tmp~5;isLowWaterLevel_~tmp___0~1 := 0; {24744#false} is VALID [2020-07-28 19:04:57,907 INFO L280 TraceCheckUtils]: 75: Hoare triple {24744#false} isLowWaterLevel_~retValue_acc~5 := isLowWaterLevel_~tmp___0~1;isLowWaterLevel_#res := isLowWaterLevel_~retValue_acc~5; {24744#false} is VALID [2020-07-28 19:04:57,908 INFO L280 TraceCheckUtils]: 76: Hoare triple {24744#false} processEnvironment__wrappee__methaneQuery_#t~ret2 := isLowWaterLevel_#res;assume -2147483648 <= processEnvironment__wrappee__methaneQuery_#t~ret2 && processEnvironment__wrappee__methaneQuery_#t~ret2 <= 2147483647;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret2;havoc processEnvironment__wrappee__methaneQuery_#t~ret2; {24744#false} is VALID [2020-07-28 19:04:57,908 INFO L280 TraceCheckUtils]: 77: Hoare triple {24744#false} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; {24744#false} is VALID [2020-07-28 19:04:57,908 INFO L280 TraceCheckUtils]: 78: Hoare triple {24744#false} assume !(0 == ~pumpRunning~0); {24744#false} is VALID [2020-07-28 19:04:57,909 INFO L280 TraceCheckUtils]: 79: Hoare triple {24744#false} havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;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; {24744#false} is VALID [2020-07-28 19:04:57,909 INFO L280 TraceCheckUtils]: 80: Hoare triple {24744#false} __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret38 && __utac_acc__Specification4_spec__1_#t~ret38 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; {24744#false} is VALID [2020-07-28 19:04:57,909 INFO L280 TraceCheckUtils]: 81: Hoare triple {24744#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; {24744#false} is VALID [2020-07-28 19:04:57,909 INFO L280 TraceCheckUtils]: 82: Hoare triple {24744#false} __utac_acc__Specification4_spec__1_#t~ret39 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret39 && __utac_acc__Specification4_spec__1_#t~ret39 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~3 := __utac_acc__Specification4_spec__1_#t~ret39;havoc __utac_acc__Specification4_spec__1_#t~ret39; {24744#false} is VALID [2020-07-28 19:04:57,910 INFO L280 TraceCheckUtils]: 83: Hoare triple {24744#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~3; {24744#false} is VALID [2020-07-28 19:04:57,910 INFO L280 TraceCheckUtils]: 84: Hoare triple {24744#false} assume !false; {24744#false} is VALID [2020-07-28 19:04:57,916 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 19:04:57,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431045856] [2020-07-28 19:04:57,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:04:57,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-28 19:04:57,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564319659] [2020-07-28 19:04:57,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-07-28 19:04:57,918 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:04:57,918 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-28 19:04:58,002 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 19:04:58,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-28 19:04:58,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:04:58,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-28 19:04:58,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:04:58,003 INFO L87 Difference]: Start difference. First operand 624 states and 801 transitions. Second operand 7 states. [2020-07-28 19:05:01,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:01,200 INFO L93 Difference]: Finished difference Result 1216 states and 1553 transitions. [2020-07-28 19:05:01,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-28 19:05:01,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2020-07-28 19:05:01,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:05:01,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:05:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 281 transitions. [2020-07-28 19:05:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 19:05:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 281 transitions. [2020-07-28 19:05:01,207 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 281 transitions. [2020-07-28 19:05:01,529 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 281 edges. 281 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:05:01,529 INFO L225 Difference]: With dead ends: 1216 [2020-07-28 19:05:01,529 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:05:01,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-28 19:05:01,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:05:01,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:05:01,532 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:05:01,532 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:01,533 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:01,533 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:01,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:01,533 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:01,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:01,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:01,533 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:01,534 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:05:01,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:05:01,534 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:05:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:01,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:01,534 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:05:01,534 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:05:01,534 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:05:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:05:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:05:01,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-07-28 19:05:01,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:05:01,535 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:05:01,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-28 19:05:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:05:01,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:05:01,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-28 19:05:01,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:05:01,710 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2020-07-28 19:05:01,963 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 140 [2020-07-28 19:05:02,191 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 149 [2020-07-28 19:05:02,654 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 115 [2020-07-28 19:05:03,197 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 218 [2020-07-28 19:05:03,533 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 201 [2020-07-28 19:05:03,785 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 [2020-07-28 19:05:04,068 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 193 [2020-07-28 19:05:04,187 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 157 [2020-07-28 19:05:04,562 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 33 [2020-07-28 19:05:05,089 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 22 [2020-07-28 19:05:05,802 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 32 [2020-07-28 19:05:05,977 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 17 [2020-07-28 19:05:06,292 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2020-07-28 19:05:06,425 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2020-07-28 19:05:06,608 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2020-07-28 19:05:06,812 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 19 [2020-07-28 19:05:06,948 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 15 [2020-07-28 19:05:07,183 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 27 [2020-07-28 19:05:07,609 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 26 [2020-07-28 19:05:07,812 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 17 [2020-07-28 19:05:09,393 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 218 DAG size of output: 22 [2020-07-28 19:05:09,528 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 19 [2020-07-28 19:05:09,743 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 26 [2020-07-28 19:05:10,821 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 200 DAG size of output: 21 [2020-07-28 19:05:11,834 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 14 [2020-07-28 19:05:12,985 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 190 DAG size of output: 31 [2020-07-28 19:05:13,772 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 32 [2020-07-28 19:05:13,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:05:13,783 INFO L264 CegarLoopResult]: At program point L961(lines 957 963) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,784 INFO L264 CegarLoopResult]: At program point L105(lines 104 123) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,784 INFO L268 CegarLoopResult]: For program point L105-1(lines 105 111) no Hoare annotation was computed. [2020-07-28 19:05:13,784 INFO L264 CegarLoopResult]: At program point L105-2(lines 104 123) the Hoare annotation is: false [2020-07-28 19:05:13,784 INFO L264 CegarLoopResult]: At program point L105-3(lines 104 123) the Hoare annotation is: false [2020-07-28 19:05:13,784 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-07-28 19:05:13,784 INFO L268 CegarLoopResult]: For program point L371(lines 371 377) no Hoare annotation was computed. [2020-07-28 19:05:13,785 INFO L264 CegarLoopResult]: At program point L371-1(lines 371 377) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~11)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:05:13,785 INFO L264 CegarLoopResult]: At program point L505(lines 500 508) the Hoare annotation is: (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,785 INFO L264 CegarLoopResult]: At program point L505-1(lines 500 508) the Hoare annotation is: false [2020-07-28 19:05:13,785 INFO L264 CegarLoopResult]: At program point L505-2(lines 500 508) the Hoare annotation is: false [2020-07-28 19:05:13,785 INFO L264 CegarLoopResult]: At program point L505-3(lines 500 508) the Hoare annotation is: false [2020-07-28 19:05:13,785 INFO L264 CegarLoopResult]: At program point L505-4(lines 500 508) the Hoare annotation is: false [2020-07-28 19:05:13,786 INFO L264 CegarLoopResult]: At program point L505-5(lines 500 508) the Hoare annotation is: false [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L308-5(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L308-8(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L308-9(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,786 INFO L268 CegarLoopResult]: For program point L44-1(line 44) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L44-2(line 44) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-11(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-12(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-14(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-15(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-17(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-18(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-20(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-21(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,787 INFO L268 CegarLoopResult]: For program point L308-23(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L268 CegarLoopResult]: For program point L308-24(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L268 CegarLoopResult]: For program point L308-26(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L268 CegarLoopResult]: For program point L308-27(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L268 CegarLoopResult]: For program point L308-29(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L268 CegarLoopResult]: For program point L308-30(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L268 CegarLoopResult]: For program point L308-32(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L268 CegarLoopResult]: For program point L308-33(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L268 CegarLoopResult]: For program point L308-35(lines 308 312) no Hoare annotation was computed. [2020-07-28 19:05:13,788 INFO L264 CegarLoopResult]: At program point L112(lines 112 118) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~pumpRunning~0) .cse1 (= 1 ~waterLevel~0) .cse2 .cse3))) [2020-07-28 19:05:13,789 INFO L264 CegarLoopResult]: At program point L112-1(lines 112 118) the Hoare annotation is: false [2020-07-28 19:05:13,789 INFO L264 CegarLoopResult]: At program point L112-2(lines 112 118) the Hoare annotation is: false [2020-07-28 19:05:13,789 INFO L264 CegarLoopResult]: At program point L314(lines 299 317) the Hoare annotation is: (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~11) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) [2020-07-28 19:05:13,789 INFO L264 CegarLoopResult]: At program point L314-1(lines 299 317) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= 1 |ULTIMATE.start_valid_product_#res|) .cse2 (= 1 ULTIMATE.start_main_~tmp~11) .cse3) (and .cse0 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) .cse3))) [2020-07-28 19:05:13,789 INFO L264 CegarLoopResult]: At program point L314-2(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,789 INFO L264 CegarLoopResult]: At program point L314-3(lines 299 317) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~11)) (.cse3 (= 1 ~systemActive~0))) (or (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_isHighWaterLevel_~tmp~4) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 (= 1 |ULTIMATE.start_valid_product_#res|) .cse1 .cse2 .cse3))) [2020-07-28 19:05:13,790 INFO L264 CegarLoopResult]: At program point L314-4(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,790 INFO L264 CegarLoopResult]: At program point L314-5(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,790 INFO L264 CegarLoopResult]: At program point L314-6(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,790 INFO L264 CegarLoopResult]: At program point L314-7(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,790 INFO L264 CegarLoopResult]: At program point L314-8(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,790 INFO L264 CegarLoopResult]: At program point L314-9(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,790 INFO L264 CegarLoopResult]: At program point L314-10(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,790 INFO L264 CegarLoopResult]: At program point L314-11(lines 299 317) the Hoare annotation is: false [2020-07-28 19:05:13,790 INFO L268 CegarLoopResult]: For program point L381(lines 381 392) no Hoare annotation was computed. [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250(lines 243 253) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~11) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250-1(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250-2(lines 243 253) the Hoare annotation is: (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~11) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250-3(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250-4(lines 243 253) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~11) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250-5(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250-6(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250-7(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,791 INFO L264 CegarLoopResult]: At program point L250-8(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L250-9(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L250-10(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L250-11(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L250-12(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L250-13(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L250-14(lines 243 253) the Hoare annotation is: false [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L450(lines 445 453) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~11) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L450-1(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,792 INFO L264 CegarLoopResult]: At program point L450-2(lines 445 453) the Hoare annotation is: (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~11) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-3(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-4(lines 445 453) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 |ULTIMATE.start_valid_product_#res|) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~11) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-5(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-6(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-7(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-8(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-9(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-10(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,793 INFO L264 CegarLoopResult]: At program point L450-11(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,794 INFO L264 CegarLoopResult]: At program point L450-12(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,794 INFO L264 CegarLoopResult]: At program point L450-13(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,794 INFO L264 CegarLoopResult]: At program point L450-14(lines 445 453) the Hoare annotation is: false [2020-07-28 19:05:13,794 INFO L264 CegarLoopResult]: At program point L913-2(lines 913 927) the Hoare annotation is: false [2020-07-28 19:05:13,794 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-07-28 19:05:13,794 INFO L268 CegarLoopResult]: For program point L518(lines 518 531) no Hoare annotation was computed. [2020-07-28 19:05:13,794 INFO L264 CegarLoopResult]: At program point L518-1(lines 1 996) the Hoare annotation is: (let ((.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) (.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~11)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse4 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) .cse5 .cse6) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse2 .cse3 .cse4 (= 1 ~waterLevel~0) .cse5))) [2020-07-28 19:05:13,794 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 531) no Hoare annotation was computed. [2020-07-28 19:05:13,794 INFO L264 CegarLoopResult]: At program point L518-3(lines 1 996) the Hoare annotation is: false [2020-07-28 19:05:13,794 INFO L268 CegarLoopResult]: For program point L518-4(lines 518 531) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L264 CegarLoopResult]: At program point L518-5(lines 1 996) the Hoare annotation is: false [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point L387(lines 387 391) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point L387-2(lines 105 111) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point L917(lines 917 921) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point L917-1(lines 105 111) no Hoare annotation was computed. [2020-07-28 19:05:13,795 INFO L268 CegarLoopResult]: For program point L984(lines 984 991) no Hoare annotation was computed. [2020-07-28 19:05:13,796 INFO L271 CegarLoopResult]: At program point L984-1(lines 984 991) the Hoare annotation is: true [2020-07-28 19:05:13,796 INFO L268 CegarLoopResult]: For program point L522(lines 522 528) no Hoare annotation was computed. [2020-07-28 19:05:13,796 INFO L268 CegarLoopResult]: For program point L522-2(lines 522 528) no Hoare annotation was computed. [2020-07-28 19:05:13,796 INFO L268 CegarLoopResult]: For program point L522-4(lines 522 528) no Hoare annotation was computed. [2020-07-28 19:05:13,796 INFO L264 CegarLoopResult]: At program point L259(lines 254 262) the Hoare annotation is: false [2020-07-28 19:05:13,796 INFO L264 CegarLoopResult]: At program point L259-1(lines 254 262) the Hoare annotation is: false [2020-07-28 19:05:13,796 INFO L268 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-07-28 19:05:13,796 INFO L264 CegarLoopResult]: At program point L259-2(lines 254 262) the Hoare annotation is: false [2020-07-28 19:05:13,796 INFO L268 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-07-28 19:05:13,796 INFO L268 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-3(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-5(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-6(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-8(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-9(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-11(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-12(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,797 INFO L268 CegarLoopResult]: For program point L327-14(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,798 INFO L268 CegarLoopResult]: For program point L327-15(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,798 INFO L268 CegarLoopResult]: For program point L327-17(lines 327 331) no Hoare annotation was computed. [2020-07-28 19:05:13,798 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:05:13,798 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:05:13,798 INFO L264 CegarLoopResult]: At program point L397(lines 350 398) the Hoare annotation is: false [2020-07-28 19:05:13,798 INFO L271 CegarLoopResult]: At program point L993(lines 974 996) the Hoare annotation is: true [2020-07-28 19:05:13,798 INFO L264 CegarLoopResult]: At program point L333(lines 318 336) the Hoare annotation is: (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,799 INFO L264 CegarLoopResult]: At program point L333-1(lines 318 336) the Hoare annotation is: false [2020-07-28 19:05:13,799 INFO L264 CegarLoopResult]: At program point L333-2(lines 318 336) the Hoare annotation is: false [2020-07-28 19:05:13,799 INFO L264 CegarLoopResult]: At program point L333-3(lines 318 336) the Hoare annotation is: false [2020-07-28 19:05:13,799 INFO L264 CegarLoopResult]: At program point L333-4(lines 318 336) the Hoare annotation is: false [2020-07-28 19:05:13,799 INFO L264 CegarLoopResult]: At program point L333-5(lines 318 336) the Hoare annotation is: false [2020-07-28 19:05:13,799 INFO L268 CegarLoopResult]: For program point L137(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,799 INFO L268 CegarLoopResult]: For program point L137-1(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,799 INFO L268 CegarLoopResult]: For program point L137-2(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,799 INFO L268 CegarLoopResult]: For program point L137-3(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L268 CegarLoopResult]: For program point L137-4(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L268 CegarLoopResult]: For program point L137-5(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L268 CegarLoopResult]: For program point L137-6(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L268 CegarLoopResult]: For program point L137-7(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L268 CegarLoopResult]: For program point L137-8(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L268 CegarLoopResult]: For program point L137-9(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L268 CegarLoopResult]: For program point L137-10(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L268 CegarLoopResult]: For program point L137-11(lines 137 154) no Hoare annotation was computed. [2020-07-28 19:05:13,800 INFO L264 CegarLoopResult]: At program point L74(lines 1 996) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-1(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-3(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-4(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-5(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-6(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-7(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-8(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,801 INFO L268 CegarLoopResult]: For program point L141-9(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,802 INFO L268 CegarLoopResult]: For program point L141-10(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,802 INFO L268 CegarLoopResult]: For program point L141-11(lines 141 149) no Hoare annotation was computed. [2020-07-28 19:05:13,802 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-28 19:05:13,802 INFO L264 CegarLoopResult]: At program point L82(lines 77 85) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,802 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-07-28 19:05:13,802 INFO L268 CegarLoopResult]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2020-07-28 19:05:13,802 INFO L268 CegarLoopResult]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2020-07-28 19:05:13,802 INFO L264 CegarLoopResult]: At program point L482(lines 477 485) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~11 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2 (= 1 ~waterLevel~0) .cse3 .cse4))) [2020-07-28 19:05:13,803 INFO L264 CegarLoopResult]: At program point L482-1(lines 477 485) the Hoare annotation is: false [2020-07-28 19:05:13,803 INFO L264 CegarLoopResult]: At program point L482-2(lines 477 485) the Hoare annotation is: false [2020-07-28 19:05:13,803 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:05:13,803 INFO L268 CegarLoopResult]: For program point L352(lines 351 396) no Hoare annotation was computed. [2020-07-28 19:05:13,803 INFO L268 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-07-28 19:05:13,803 INFO L268 CegarLoopResult]: For program point L225(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,803 INFO L268 CegarLoopResult]: For program point L225-2(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,803 INFO L268 CegarLoopResult]: For program point L225-4(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,803 INFO L268 CegarLoopResult]: For program point L225-6(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,803 INFO L268 CegarLoopResult]: For program point L225-8(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L225-10(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L225-12(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L225-14(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L225-16(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L225-18(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L225-20(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L225-22(lines 225 231) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L490-2(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L490-3(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,804 INFO L268 CegarLoopResult]: For program point L490-4(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L490-5(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L490-6(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L490-7(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L490-8(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L490-9(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L490-10(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L490-11(lines 490 496) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-07-28 19:05:13,805 INFO L268 CegarLoopResult]: For program point L361(lines 361 367) no Hoare annotation was computed. [2020-07-28 19:05:13,806 INFO L264 CegarLoopResult]: At program point L361-1(lines 361 367) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~11)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse4 .cse1 .cse2 .cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse4 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3))) [2020-07-28 19:05:13,806 INFO L268 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-07-28 19:05:13,806 INFO L268 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-07-28 19:05:13,806 INFO L268 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-07-28 19:05:13,806 INFO L268 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-07-28 19:05:13,806 INFO L268 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-07-28 19:05:13,806 INFO L268 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-07-28 19:05:13,806 INFO L264 CegarLoopResult]: At program point L495(lines 486 499) the Hoare annotation is: (and (= 0 ULTIMATE.start_processEnvironment_~tmp~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~11) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:05:13,806 INFO L264 CegarLoopResult]: At program point L495-1(lines 486 499) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_processEnvironment_~tmp~2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~11)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= 1 |ULTIMATE.start_valid_product_#res|) .cse2 .cse3 .cse4) (and .cse0 (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) .cse4))) [2020-07-28 19:05:13,807 INFO L264 CegarLoopResult]: At program point L495-2(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,807 INFO L264 CegarLoopResult]: At program point L495-3(lines 486 499) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= 1 |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~11 ~systemActive~0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 (= 1 |ULTIMATE.start_valid_product_#res|) .cse1 (= 1 ULTIMATE.start_main_~tmp~11) .cse2))) [2020-07-28 19:05:13,807 INFO L264 CegarLoopResult]: At program point L495-4(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,807 INFO L264 CegarLoopResult]: At program point L495-5(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,807 INFO L264 CegarLoopResult]: At program point L495-6(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,807 INFO L264 CegarLoopResult]: At program point L495-7(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,807 INFO L264 CegarLoopResult]: At program point L495-8(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,807 INFO L264 CegarLoopResult]: At program point L495-9(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,808 INFO L264 CegarLoopResult]: At program point L495-10(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,808 INFO L264 CegarLoopResult]: At program point L495-11(lines 486 499) the Hoare annotation is: false [2020-07-28 19:05:13,808 INFO L268 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-07-28 19:05:13,808 INFO L268 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-07-28 19:05:13,808 INFO L268 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-07-28 19:05:13,808 INFO L268 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-07-28 19:05:13,808 INFO L268 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-07-28 19:05:13,808 INFO L268 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-07-28 19:05:13,813 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:05:13,813 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:05:13,816 WARN L170 areAnnotationChecker]: L984 has no Hoare annotation [2020-07-28 19:05:13,816 WARN L170 areAnnotationChecker]: L984 has no Hoare annotation [2020-07-28 19:05:13,816 WARN L170 areAnnotationChecker]: L984 has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: L105-1 has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: L105-1 has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: L105-1 has no Hoare annotation [2020-07-28 19:05:13,818 WARN L170 areAnnotationChecker]: L353 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L413-3 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L413-3 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L189-1 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L361 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L361 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L189-1 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L189-1 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L425 has no Hoare annotation [2020-07-28 19:05:13,819 WARN L170 areAnnotationChecker]: L425 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L371 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L163-3 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L163-3 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L518-2 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L371 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L371 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L193-1 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L327-9 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L137-7 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L137-7 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L518-2 has no Hoare annotation [2020-07-28 19:05:13,820 WARN L170 areAnnotationChecker]: L518-2 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L437 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L437 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L381 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L193-1 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L193-1 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L327-9 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L327-9 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L490-7 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L490-7 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L522-2 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L381 has no Hoare annotation [2020-07-28 19:05:13,821 WARN L170 areAnnotationChecker]: L381 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L163-2 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L163-2 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L327-11 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L308-21 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L522-2 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L522-2 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L914 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L387-2 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L387-2 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L387 has no Hoare annotation [2020-07-28 19:05:13,822 WARN L170 areAnnotationChecker]: L387 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L327-6 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L137-5 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L137-5 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L167-3 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L308-21 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L308-21 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L914 has no Hoare annotation [2020-07-28 19:05:13,823 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-28 19:05:13,824 WARN L170 areAnnotationChecker]: L413 has no Hoare annotation [2020-07-28 19:05:13,824 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:05:13,831 WARN L170 areAnnotationChecker]: L327-6 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L327-6 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L490-5 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L490-5 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L167-3 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L167-3 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L308-23 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L917 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L917 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:05:13,832 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-28 19:05:13,834 WARN L170 areAnnotationChecker]: L327-8 has no Hoare annotation [2020-07-28 19:05:13,834 WARN L170 areAnnotationChecker]: L308-15 has no Hoare annotation [2020-07-28 19:05:13,834 WARN L170 areAnnotationChecker]: L137-6 has no Hoare annotation [2020-07-28 19:05:13,834 WARN L170 areAnnotationChecker]: L137-6 has no Hoare annotation [2020-07-28 19:05:13,834 WARN L170 areAnnotationChecker]: L141-7 has no Hoare annotation [2020-07-28 19:05:13,834 WARN L170 areAnnotationChecker]: L917-1 has no Hoare annotation [2020-07-28 19:05:13,834 WARN L170 areAnnotationChecker]: L917-1 has no Hoare annotation [2020-07-28 19:05:13,835 WARN L170 areAnnotationChecker]: L163-1 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L163-1 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L167-2 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L308-15 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L308-15 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L490-6 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L490-6 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L141-7 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L141-7 has no Hoare annotation [2020-07-28 19:05:13,836 WARN L170 areAnnotationChecker]: L413-6 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L413-6 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L189-2 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L327-3 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L137-3 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L137-3 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L167-2 has no Hoare annotation [2020-07-28 19:05:13,837 WARN L170 areAnnotationChecker]: L167-2 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L308-17 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L308-18 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L189-2 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L189-2 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L327-3 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L327-3 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L490-3 has no Hoare annotation [2020-07-28 19:05:13,838 WARN L170 areAnnotationChecker]: L490-3 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L137-4 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L137-4 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L141-5 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L308-18 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L308-18 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L225-14 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L163-5 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L163-5 has no Hoare annotation [2020-07-28 19:05:13,839 WARN L170 areAnnotationChecker]: L518-4 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L327-5 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L308-9 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L522 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L490-4 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L490-4 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L141-5 has no Hoare annotation [2020-07-28 19:05:13,840 WARN L170 areAnnotationChecker]: L141-5 has no Hoare annotation [2020-07-28 19:05:13,841 WARN L170 areAnnotationChecker]: L308-20 has no Hoare annotation [2020-07-28 19:05:13,841 WARN L170 areAnnotationChecker]: L225-14 has no Hoare annotation [2020-07-28 19:05:13,841 WARN L170 areAnnotationChecker]: L225-14 has no Hoare annotation [2020-07-28 19:05:13,841 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 19:05:13,841 WARN L170 areAnnotationChecker]: L327-15 has no Hoare annotation [2020-07-28 19:05:13,841 WARN L170 areAnnotationChecker]: L137-11 has no Hoare annotation [2020-07-28 19:05:13,841 WARN L170 areAnnotationChecker]: L137-11 has no Hoare annotation [2020-07-28 19:05:13,842 WARN L170 areAnnotationChecker]: L518-4 has no Hoare annotation [2020-07-28 19:05:13,842 WARN L170 areAnnotationChecker]: L518-4 has no Hoare annotation [2020-07-28 19:05:13,842 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 19:05:13,842 WARN L170 areAnnotationChecker]: L137-1 has no Hoare annotation [2020-07-28 19:05:13,842 WARN L170 areAnnotationChecker]: L137-1 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L308-9 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L308-9 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L308-12 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L141-6 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 19:05:13,843 WARN L170 areAnnotationChecker]: L193-2 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L327-15 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L327-15 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L490-11 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L490-11 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L522-4 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L490-1 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L490-1 has no Hoare annotation [2020-07-28 19:05:13,844 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L167-1 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L308-11 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L308-12 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L308-12 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L225-10 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L141-6 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L141-6 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L163-4 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L163-4 has no Hoare annotation [2020-07-28 19:05:13,845 WARN L170 areAnnotationChecker]: L327-17 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L308-33 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L522-4 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L522-4 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L327-2 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L308-3 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L137-2 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L137-2 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L141-3 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L308-14 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L225-10 has no Hoare annotation [2020-07-28 19:05:13,846 WARN L170 areAnnotationChecker]: L225-10 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L327-12 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L137-9 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L137-9 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L167-5 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L308-33 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L308-33 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:05:13,847 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L308-3 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L308-3 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L490-2 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L490-2 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L141-3 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L141-3 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L141-4 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L225-12 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L327-12 has no Hoare annotation [2020-07-28 19:05:13,848 WARN L170 areAnnotationChecker]: L327-12 has no Hoare annotation [2020-07-28 19:05:13,849 WARN L170 areAnnotationChecker]: L490-9 has no Hoare annotation [2020-07-28 19:05:13,849 WARN L170 areAnnotationChecker]: L490-9 has no Hoare annotation [2020-07-28 19:05:13,849 WARN L170 areAnnotationChecker]: L167-5 has no Hoare annotation [2020-07-28 19:05:13,849 WARN L170 areAnnotationChecker]: L167-5 has no Hoare annotation [2020-07-28 19:05:13,849 WARN L170 areAnnotationChecker]: L308-35 has no Hoare annotation [2020-07-28 19:05:13,849 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:05:13,849 WARN L170 areAnnotationChecker]: L167 has no Hoare annotation [2020-07-28 19:05:13,850 WARN L170 areAnnotationChecker]: L308-5 has no Hoare annotation [2020-07-28 19:05:13,850 WARN L170 areAnnotationChecker]: L308-6 has no Hoare annotation [2020-07-28 19:05:13,857 WARN L170 areAnnotationChecker]: L141-4 has no Hoare annotation [2020-07-28 19:05:13,857 WARN L170 areAnnotationChecker]: L141-4 has no Hoare annotation [2020-07-28 19:05:13,857 WARN L170 areAnnotationChecker]: L225-12 has no Hoare annotation [2020-07-28 19:05:13,857 WARN L170 areAnnotationChecker]: L225-12 has no Hoare annotation [2020-07-28 19:05:13,857 WARN L170 areAnnotationChecker]: L327-14 has no Hoare annotation [2020-07-28 19:05:13,857 WARN L170 areAnnotationChecker]: L308-27 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L137-10 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L137-10 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L141-11 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L141-1 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L308-6 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L308-6 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L225-6 has no Hoare annotation [2020-07-28 19:05:13,858 WARN L170 areAnnotationChecker]: L167-4 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L308-27 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L308-27 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L490-10 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L490-10 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L141-11 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L141-11 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L490 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L490 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L141-1 has no Hoare annotation [2020-07-28 19:05:13,859 WARN L170 areAnnotationChecker]: L141-1 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L308-8 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L225-6 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L225-6 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L225-8 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L167-4 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L167-4 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L308-29 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L308-30 has no Hoare annotation [2020-07-28 19:05:13,860 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-28 19:05:13,861 WARN L170 areAnnotationChecker]: L141-2 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L225-8 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L225-8 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L137-8 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L137-8 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L141-9 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L308-30 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L308-30 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L225-22 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-28 19:05:13,862 WARN L170 areAnnotationChecker]: L225-2 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L141-2 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L141-2 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L490-8 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L490-8 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L141-9 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L141-9 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L308-32 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L225-22 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L225-22 has no Hoare annotation [2020-07-28 19:05:13,863 WARN L170 areAnnotationChecker]: L308-2 has no Hoare annotation [2020-07-28 19:05:13,864 WARN L170 areAnnotationChecker]: L225-2 has no Hoare annotation [2020-07-28 19:05:13,864 WARN L170 areAnnotationChecker]: L225-2 has no Hoare annotation [2020-07-28 19:05:13,864 WARN L170 areAnnotationChecker]: L308-24 has no Hoare annotation [2020-07-28 19:05:13,864 WARN L170 areAnnotationChecker]: L141-10 has no Hoare annotation [2020-07-28 19:05:13,864 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 19:05:13,864 WARN L170 areAnnotationChecker]: L225-4 has no Hoare annotation [2020-07-28 19:05:13,865 WARN L170 areAnnotationChecker]: L308-24 has no Hoare annotation [2020-07-28 19:05:13,865 WARN L170 areAnnotationChecker]: L308-24 has no Hoare annotation [2020-07-28 19:05:13,865 WARN L170 areAnnotationChecker]: L225-18 has no Hoare annotation [2020-07-28 19:05:13,865 WARN L170 areAnnotationChecker]: L141-10 has no Hoare annotation [2020-07-28 19:05:13,865 WARN L170 areAnnotationChecker]: L141-10 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L225-4 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L225-4 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L308-26 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L225-18 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L225-18 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L141-8 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L225-20 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L141-8 has no Hoare annotation [2020-07-28 19:05:13,866 WARN L170 areAnnotationChecker]: L141-8 has no Hoare annotation [2020-07-28 19:05:13,867 WARN L170 areAnnotationChecker]: L225-20 has no Hoare annotation [2020-07-28 19:05:13,867 WARN L170 areAnnotationChecker]: L225-20 has no Hoare annotation [2020-07-28 19:05:13,867 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-28 19:05:13,867 WARN L170 areAnnotationChecker]: L225 has no Hoare annotation [2020-07-28 19:05:13,867 WARN L170 areAnnotationChecker]: L225-16 has no Hoare annotation [2020-07-28 19:05:13,867 WARN L170 areAnnotationChecker]: L225-16 has no Hoare annotation [2020-07-28 19:05:13,867 WARN L170 areAnnotationChecker]: L225-16 has no Hoare annotation [2020-07-28 19:05:13,867 INFO L163 areAnnotationChecker]: CFG has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:05:13,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:05:13 BoogieIcfgContainer [2020-07-28 19:05:13,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:05:13,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:05:13,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:05:13,905 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:05:13,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:04:22" (3/4) ... [2020-07-28 19:05:13,909 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:05:13,951 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:05:13,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:05:13,956 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:05:13,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:05:13,960 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:05:13,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:13,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:05:14,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:05:14,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && tmp == systemActive) && 1 == systemActive [2020-07-28 19:05:14,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == splverifierCounter && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == systemActive) && 1 <= tmp) || ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && 1 <= tmp)) || ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:14,018 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == tmp) && \result == systemActive) && 1 == systemActive) || (((((((0 == splverifierCounter && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == systemActive) && 1 <= tmp)) || ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:14,019 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == tmp) && \result == systemActive) && 1 == systemActive) || (((((0 == splverifierCounter && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:14,020 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 <= waterLevel) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2020-07-28 19:05:14,021 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) || (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && tmp == systemActive) && 1 == systemActive) [2020-07-28 19:05:14,023 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) || ((((((0 == splverifierCounter && 1 <= \result) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && tmp == systemActive) && 1 == systemActive) [2020-07-28 19:05:14,024 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 <= waterLevel) && 1 == tmp) && \result == systemActive) && 1 == systemActive [2020-07-28 19:05:14,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == splverifierCounter && 1 <= waterLevel) && 1 == tmp) && \result == systemActive) && 1 == systemActive [2020-07-28 19:05:14,034 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && tmp == systemActive) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive) [2020-07-28 19:05:14,040 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == \result && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == tmp) && 0 == tmp___0) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive) [2020-07-28 19:05:14,040 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == tmp && 0 == \result) && 0 == splverifierCounter) && 1 <= waterLevel) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2020-07-28 19:05:14,041 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive) || (((((((0 == tmp && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) [2020-07-28 19:05:14,041 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == tmp && 0 == \result) && 0 == splverifierCounter) && !(0 == \result)) && 1 <= waterLevel) && 0 == tmp) && !(0 == tmp___0)) && \result == systemActive) && tmp == systemActive) && 1 == systemActive [2020-07-28 19:05:14,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive [2020-07-28 19:05:14,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive) || ((((((((((0 == tmp && 1 == \result) && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == tmp) && 0 == tmp___0) && tmp == systemActive) && 1 == systemActive) [2020-07-28 19:05:14,042 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive [2020-07-28 19:05:14,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == tmp && 0 == \result) && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && 0 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive [2020-07-28 19:05:14,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive [2020-07-28 19:05:14,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive [2020-07-28 19:05:14,044 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == tmp && 0 == \result) && 1 == waterLevel) && 1 == tmp) && 0 == tmp___0) && 1 == systemActive) && 0 == \result) && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && 0 == tmp) && \result == systemActive [2020-07-28 19:05:14,180 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:05:14,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:05:14,182 INFO L168 Benchmark]: Toolchain (without parser) took 55422.43 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 818.4 MB). Free memory was 957.5 MB in the beginning and 1.5 GB in the end (delta: -557.0 MB). Peak memory consumption was 261.4 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:14,183 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:14,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:14,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:14,185 INFO L168 Benchmark]: Boogie Preprocessor took 147.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:14,185 INFO L168 Benchmark]: RCFGBuilder took 2428.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 828.3 MB in the end (delta: 272.8 MB). Peak memory consumption was 272.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:14,186 INFO L168 Benchmark]: TraceAbstraction took 51700.77 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 680.0 MB). Free memory was 828.3 MB in the beginning and 1.5 GB in the end (delta: -706.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:05:14,186 INFO L168 Benchmark]: Witness Printer took 275.67 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:05:14,190 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 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 737.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 147.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2428.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 828.3 MB in the end (delta: 272.8 MB). Peak memory consumption was 272.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 51700.77 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 680.0 MB). Free memory was 828.3 MB in the beginning and 1.5 GB in the end (delta: -706.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 275.67 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 44]: 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: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((0 == tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive) || ((((((((((0 == tmp && 1 == \result) && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == tmp) && 0 == tmp___0) && tmp == systemActive) && 1 == systemActive) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) || ((((((0 == splverifierCounter && 1 <= \result) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && tmp == systemActive) && 1 == systemActive) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((((((1 == \result && 0 == splverifierCounter) && 0 == \result) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == tmp) && 0 == tmp___0) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((((((((0 == tmp && 0 == \result) && 1 == waterLevel) && 1 == tmp) && 0 == tmp___0) && 1 == systemActive) && 0 == \result) && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && 0 == tmp) && \result == systemActive - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: (((((0 == tmp && 0 == \result) && 0 == splverifierCounter) && 1 <= waterLevel) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((((((((0 == tmp && 0 == \result) && 0 == splverifierCounter) && !(0 == \result)) && 1 <= waterLevel) && 0 == tmp) && !(0 == tmp___0)) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 <= waterLevel) && 1 == tmp) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: (((((0 == tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 <= waterLevel) && 1 == tmp) && \result == systemActive) && 1 == systemActive - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((0 == tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive) || (((((((0 == tmp && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((1 == \result && 0 == splverifierCounter) && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && tmp == systemActive) && 1 == systemActive) || (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive) - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && 1 == tmp) && \result == systemActive) && 1 == systemActive) || (((((0 == splverifierCounter && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (((((0 == tmp && 2 <= waterLevel) && 0 == splverifierCounter) && 1 == \result) && 0 == pumpRunning) && 1 == tmp) && 1 == systemActive - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((((0 == tmp && 0 == \result) && 1 == \result) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && 0 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) || (((((0 == splverifierCounter && 0 == pumpRunning) && \result == systemActive) && 1 == waterLevel) && tmp == systemActive) && 1 == systemActive) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: (((0 == splverifierCounter && 1 <= waterLevel) && \result == systemActive) && tmp == systemActive) && 1 == systemActive - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 0 == splverifierCounter) && 1 == tmp) && \result == systemActive) && 1 == systemActive) || (((((((0 == splverifierCounter && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == systemActive) && 1 <= tmp)) || ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((0 == splverifierCounter && 1 <= \result) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == systemActive) && 1 <= tmp) || ((((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= \result) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && 1 <= tmp)) || ((((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == tmp) && \result == systemActive) && 1 == waterLevel) && 1 == systemActive) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 225 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1872 SDtfs, 3506 SDslu, 3315 SDs, 0 SdLazy, 527 SolverSat, 125 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=624occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 2213 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 90 PreInvPairs, 296 NumberOfFragments, 817 HoareAnnotationTreeSize, 90 FomulaSimplifications, 1613656 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 90 FomulaSimplificationsInter, 497825 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 683 ConstructedInterpolants, 0 QuantifiedInterpolants, 77394 SizeOfPredicates, 7 NumberOfNonLiveVariables, 941 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 225/243 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...